If this is your first time using Pulse pre-workout, assess your individual tolerance by mixing 1 scoop with 10-12 ounces of water and drinking it 15-30 minutes prior to exercise. If you experience any non-optimum effects, stop and consult your doctor. If 1 scoop is well tolerated and you want the full clinically effective dose of Legion Pulse, including 350 milligrams of caffeine, mix 2 scoops into 10-12 ounces of water, and drink it 15-30 minutes prior to exercise.

Home / Products / Supplements / Pulse

Limited StockLimited Stock

Limited Stock

Clinically Effective Ingredients and Doses

Third-Party Lab Tested by Labdoor™

"No Return Necessary" Money-Back Guarantee

Pulse Pre-Workout Supplement

Q: How does Pulse compare to other popular pre-workouts?

Compared to other popular pre-workouts, Legion’s pre-workout, Pulse, provides a clean rush of energy with no crash or jitters and an optimal dose of performance-enhancing ingredients to make your workouts significantly more enjoyable and productive. The only stimulant in Pulse pre-workout is a moderate dose of caffeine, and we’ve also included a matching dose of the amino acid theanine, which makes the caffeine rush and “comedown” noticeably smoother and more enjoyable. Other pre-workouts can leave you feeling edgy and burned out.

Q: What type of workouts is Pulse good for?

Pulse pre-workout is good for both anaerobic and aerobic workouts. It's not just for weightlifting but for cardio and endurance training, too. Take Legion Pulse before a weightlifting workout to see benefits like increased strength and muscle endurance. Take it before a cardio session and see benefits like increased intensity and endurance. Whatever type of exercise you do, Legion’s Pulse pre-workout helps you do it better.

Q: Is Pulse pre-workout for men and women?

Pulse is for men and women. Keep in mind that each serving contains 350 milligrams of caffeine, which may be too much for some women (or smaller men). In those cases, ½ of a serving (which contains more active ingredients than a full serving of most other pre-workout supplements) works perfectly. Bottles last longer this way too!

Q: Pulse is too sweet/strong tasting for me. What should I do?

If Legion Pulse is too sweet/strong tasting for you, increase the amount of water you’re using until you find an amount that works for you. (Most people like 8 to 10 ounces.) Also, we continually tweak Pulse’s flavor profile based on customer feedback, so please let us know if you don’t like it. It helps us improve!

Q: How many servings of Pulse can I take in one day?

We recommend you take only one serving of Pulse per day. Research shows that caffeine intake shouldn’t exceed 6 milligrams per kg of body weight per day (about 400 milligrams for the average person), and that most of the benefits are seen at moderate (not excessive) doses.

Q: Does Pulse have any side effects?

The only side effect that sometimes surprises people is a tingling or itching sensation often felt in the hands and face. This is known as paresthesia , and is a harmless side effect of beta-alanine and isn’t an allergic reaction or cause for concern. The reason for this phenomenon is that beta alanine happens to trigger certain neurons present in the skin that also produce feelings of itchiness and warmth.

Q: What does the Prop65 warning on the labels mean?

Our products include a Proposition 65 warning in compliance with California’s regulatory guidelines, which are among the most stringent and sweeping in the world. A Proposition 65 warning does not indicate whether a product is safe or unsafe. Rather, Proposition 65 is a consumer notification law in California that requires warnings to inform consumers about the presence of one or more of over 900 substances in various types of products. These substances include naturally occurring and ubiquitous compounds, even when present at levels below those known to cause harm.

Q: Is Pulse gluten-free, vegetarian, or vegan?

Yes, Pulse is gluten-free, vegetarian, and vegan.

$44.99$35.99$1.80 per serving

4.6 21,273 Verified Reviews

4.59 out of 5

5 star 79%

4 star 9%

3 star 4%

2 star 2%

1 star 3%

See all reviews

Pulse undefined
Pre-Workout Supplement

21,273 Verified Reviews

$35.99

($1.80/serving)

⌛ This flavor is on sale! Save 20%!

Get the only[1] Some popular pre-workouts are naturally sweetened and flavored. Some contain the right mix of high-quality ingredients. Some provide clinically effective doses. But only Pulse checks each of these boxes. naturally sweetened and flavored[2] While artificial sweeteners may not be as dangerous as some people claim, studies suggest that regular consumption of these chemicals may indeed be harmful to our health. pre-workout supplement with clinically effective doses[3] Pulse contains the exact ingredients, forms, and doses used in peer-reviewed scientific research demonstrating the desired benefits. of 6 ingredients that increase energy, focus, strength, and stamina without any jitters or post-workout crash[4] Pulse contains no harsh stimulants that wind you up and burn you out. Instead, it contains a 1:1 ratio of caffeine and L-theanine, which produces a smooth energy rush and comfortable comedown. .

54 peer-reviewed scientific studies support the effectiveness of Pulse’s combination of ingredients and doses.[5]That’s 508 pages of scientific research that shows Pulse works the way we say it does.
No artificial sweeteners, flavors, food dyes, fillers, or other unnecessary junk.[6]While these types of chemicals may not be as dangerous as some people claim, studies suggest that regular consumption of them may indeed be harmful to our health. And that’s why you won’t find them in Pulse.
Tested for purity and potency in an ISO 17025 accredited third-party lab, and independently certified to contain no contaminants or banned substances by Labdoor™.[7]Every bottle of Pulse is guaranteed to provide exactly what the label claims and nothing else—no heavy metals, microbes, allergens, or other contaminants.

Cotton Candy (On Sale! Save 20%!)

Cotton Candy (On Sale! Save 20%!)Fruit Punch (On Sale! Save 10%!)Tropical Punch (On Sale! Save 10%!)Mojito (On Sale! Save 10%!)Sour Mango (New)Blue Raspberry (Mike's Favorite)Piña ColadaLemon LimeRainbow SherbetCherry LimeadeBlueberry LemonadeStrawberry KiwiSour CandyWatermelonArctic BlastGreen AppleStrawberry MargaritaFrosted CranberryPeach RingPink LemonadeBlood OrangeGrape

20 Servings

10 Servings

20 Servings

With Caffeine

With CaffeineWithout Caffeine

Subscribe & Save 20%

$44.99$0

Cancel whenever you want

No penalties or fees

Edit your order anytime

Change flavors, quantities, and delivery times

One-Time Purchase & Save 20%

$44.99$35.99

($1.80/serving)

3 PackSave 20%4 PackSave 20%5 PackSave 20%

Is Pulse “PRs in a bottle?”

No.

Will it add another plate or two to the bar?

Absolutely not.

But will Pulse help you push through fatigue and maintain high performance even in your toughest workouts?

And will it consistently deliver the same reliable results for weeks, months, and even years, without losing effectiveness?

Yes. Or your money back.

Pulse is also backed by our “No Return Necessary” money-back guarantee that works like this:

If you don’t absolutely love Pulse, just let us know, and we’ll give you a full refund on the spot. No forms or return necessary.

So order now, try Pulse risk-free, and see for yourself why it’s the most popular naturally sweetened and flavored pre-workout supplement in the world (over 2 million bottles sold and counting!).

Is Pulse “PRs in a bottle?”

No.

Will it add another plate or two to the bar?

Absolutely not.

But is Pulse the only[1] Some popular pre-workouts are naturally sweetened and flavored. Some contain the right mix of high-quality ingredients. Some provide clinically effective doses. But only Pulse checks each of these boxes. naturally sweetened and flavored[2] While artificial sweeteners may not be as dangerous as some people claim, studies suggest that regular consumption of these chemicals may indeed be harmful to our health. pre-workout supplement with clinically effective doses[3] Pulse contains the exact ingredients, forms, and doses used in peer-reviewed scientific research demonstrating the desired benefits. of 6 ingredients that improve energy, focus, mood, strength, and stamina?

And will it help you push through fatigue and maintain high performance even in your toughest workouts without any jitters or post-workout crash?[4] Pulse contains no harsh stimulants that wind you up and burn you out. Instead, it contains a 1:1 ratio of caffeine and L-theanine, which produces a smooth energy rush and comfortable comedown.

Yes. Or your money back.

54 peer-reviewed scientific studies support the effectiveness of Pulse’s combination of ingredients and doses[5] That’s 508 pages of scientific research that shows Pulse works the way we say it does. .
Consistently delivers the same reliable results for weeks, months, and even years, without causing over-stimulation or losing effectiveness[6]
How?

1. By using only premium ingredients sourced from recognized and reputable suppliers and third-party tested for purity and potency.

2. By using larger (clinically effective) amounts of fewer ingredients rather than tiny (ineffective) amounts of many ingredients.
.
No artificial sweeteners, flavors, food dyes, fillers, or other unnecessary junk[7] While these types of chemicals may not be as dangerous as some people claim, studies suggest that regular consumption of them may indeed be harmful to our health. .
Clean and transparent label that shows exactly what’s in every serving and what’s not (no proprietary blends or hidden ingredients)[8] The "proprietary blend" is little more than a sneaky way to use tiny (ineffective) amounts of lots of ingredients and hope customers don't know any better. .
Tested for purity and potency in an ISO 17025 accredited third-party lab, and independently certified to contain no contaminants or banned substances by Labdoor™[9] Every bottle of Pulse is guaranteed to provide exactly what the label claims and nothing else—no heavy metals, microbes, allergens, or other contaminants. .

Pulse is also backed by our “No Return Necessary” money-back guarantee that works like this:

If you don’t absolutely love Pulse, just let us know, and we’ll give you a full refund on the spot. No forms or return necessary.

So order now, try Pulse risk-free, and see for yourself why it’s one of the most popular naturally sweetened and flavored pre-workout supplements in the world (over 2 million bottles sold and counting!).

Notice to California Consumers

WARNING: Consuming this product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/food.

Legion Pulse Ingredients (15.1 grams per serving)

Caffeine (350 milligrams per serving)

Caffeine is a naturally occurring substance found in many plants native to Africa, East Asia, and South America, including various kinds of tea, cocoa, and coffee.

Caffeine’s primary effects in the body are to stimulate the central nervous system and block the activity of another chemical—adenosine—that causes tiredness.

Research shows that supplementation with caffeine . . .

Boosts mood and energy levels[8]
Improves focus, drive, and wakefulness[9][10][11]
Increases metabolic rate[12]
Enhances strength and power[13][14][15][16][17]
Boosts endurance[18][19][20]
Improves anaerobic performance[21][22][23][24][25]

The clinically effective dose of caffeine for enhancing energy, focus, and performance is between 1 and 6 milligrams per kilogram of body weight.[26][27][28]

L-Theanine (350 milligrams per serving)

Citrulline Malate (8 grams per serving)

Beta-Alanine (3.6 grams per serving)

Alpha-GPC (300 milligrams per serving)

Betaine (2.5 grams per serving)

Naturally Sweetened & Flavored

No Artificial Food Dyes, Fillers, or Other Unnecessary Junk

Third-Party Lab Tested for Potency & Purity

See how Legion Pulse pre-workout compares to the rest.

Active Ingredients
Clinically Effective Ingredients & Doses
Caffeine
Citrulline Malate
Beta-Alanine
Betaine
L-Theanine
Alpha-GPC
Naturally Sweetened
& Flavored
Third-Party Lab Tested
Labdoor Ranking
Price Per Serving

Legion Pulse
Pre-Workout
15,100 mg
per serving
350 mg
per serving
8,000 mg
per serving
3,600 mg
per serving
2,500 mg
per serving
350 mg
per serving
300 mg
per serving
A-
$1.80

Pre JYM
Pre-Workout
20,955 mg
per serving
300 mg
per serving
6,000 mg
per serving
2,000 mg
per serving
1,500 mg
per serving
150 mg
per serving
$1.66

PEScience
Prolific Pre-Workout
10,970 mg
per serving
320 mg
per seving
6,000 mg
per serving
2,500 mg
per serving
200 mg
per serving
$1.75

C4
Pre-Workout
4,025 mg
pre serving
150 mg
per serving
1,600 mg
per serving
C-
$1.00

The #1 brand of naturally sweetened sports supplements.

We’ve sold over 5 million bags and bottles to over 1 million customers in 169 countries who have left us over 45,000 5-star reviews.

Clinically Effective Ingredients and Doses

Every ingredient, form, and dose in Pulse is backed by peer-reviewed scientific research demonstrating clear benefits in healthy humans.

Naturally Sweetened and Flavored

Pulse is naturally sweetened with stevia and erythritol and naturally flavored with extracts from fruit, vegetables, plants and other foods.

Total Label Transparency

We clearly list the dose of each ingredient on our Pulse label—no proprietary blends or hidden ingredients—so you can verify our formulation’s validity and effectiveness.

Third-Party Lab Tested by Labdoor™

Pulse is tested for purity and potency in an ISO 17025-accredited third-party laboratory, and independently certified to contain no contaminants or banned substances by Labdoor™.

Made in the USA

Pulse is made in America with globally sourced ingredients in NSF-certified, FDA-inspected facilities that adhere to Current Good Manufacturing Practice (cGMP) standards.

"No Return Necessary"
Money-Back Guarantee

If you don't absolutely love Pulse, you get a prompt and courteous refund. No forms or returns necessary.

Trusted by scientists, doctors, and everyday fitness folk alike.

"Legion Pulse is the best pre-workout of 2024."
"Legion is science-based at its core. Not only do they dose all of their products based on the clinical doses proven to be effective by scientific studies, they go above and beyond the their competitors by funding new research."

Dr. Bill Campbell, PhD
Professor of Exercise Science at University of South Florida
"There are a lot of sleazy supplement companies out there, but Legion is not one of them. Their products are free of fillers and inactive ingredients and they take the time (and money) to test them with independent labs to ensure you're getting what you pay for."

Dr. Spencer Nadolsky, MD
Board-Certified Family Medicine Physician and a Diplomate of the American Board of Obesity Medicine
"When it comes to quality and integrity, Legion is among the best. Their products only include ingredients that are backed by research and in doses that are proven to be effective in scientific studies."

Sal Di Stefano, Justin Andrews, and Adam Schafer
Hosts of The Mind Pump Podcast
"Legion is a tremendous company run by people I trust and respect. The quality of their supplements is second to no one. And while I don’t use many supplements, the only ones I do come from Legion."

Jordan Syatt
Strength and Nutrition Coach
"Legion consults with nutrition experts to make honest, science-based products and then proves they're genuine with independent lab work. That's how all supplement companies should operate."

Menno Henselmans, MS
Founder of Bayesian Bodybuilding, Published Scientist, and Physique Coach
"Legion's customers are getting some of the best sports supplements on the market."
"Legion Pulse is the best overall pre-workout, especially for energy and focus."
"Legion Pulse is the best pre-workout of 2024."
"Legion is science-based at its core. Not only do they dose all of their products based on the clinical doses proven to be effective by scientific studies, they go above and beyond the their competitors by funding new research."

Dr. Bill Campbell, PhD
Professor of Exercise Science at University of South Florida

Frequently Asked Questions

How do I use Pulse?

How does Pulse compare to other popular pre-workouts?

What type of workouts is Pulse good for?

Is Pulse pre-workout for men and women?

Pulse is too sweet/strong tasting for me. What should I do?

How many servings of Pulse can I take in one day?

Does Pulse have any side effects?

What does the Prop65 warning on the labels mean?

Is Pulse gluten-free, vegetarian, or vegan?

View All FAQs

+References

Some popular pre-workouts are naturally sweetened and flavored. Some contain the right mix of high-quality ingredients. Some provide clinically effective doses. But only Pulse checks each of these boxes. ↑

While artificial sweeteners may not be as dangerous as some people claim, studies suggest that regular consumption of these chemicals may indeed be harmful to our health.↑

Pulse contains the exact ingredients, forms, and doses used in peer-reviewed scientific research demonstrating the desired benefits.↑

Pulse contains no harsh stimulants that wind you up and burn you out. Instead, it contains a 1:1 ratio of caffeine and L-theanine, which produces a smooth energy rush and comfortable comedown.↑

That’s 508 pages of scientific research that shows Pulse works the way we say it does↑

While these types of chemicals may not be as dangerous as some people claim, studies suggest that regular consumption of them may indeed be harmful to our health.↑

How?

1. By using only premium ingredients sourced from recognized and reputable suppliers and third-party tested for purity and potency.

2. By using larger (clinically effective) amounts of fewer ingredients rather than tiny (ineffective) amounts of many ingredients. ↑

Every bottle of Pulse is guaranteed to provide exactly what the label claims and nothing else—no heavy metals, microbes, allergens, or other contaminants.↑

While these types of chemicals may not be as dangerous as some people claim, studies suggest that regular consumption of them may indeed be harmful to our health.

↑

Spriet LL. Sports Med. 2014;44 Suppl 2(Suppl 2):S175-S184. doi:10.1007/s40279-014-0257-8. ↑

Exercise and sport performance with low doses of caffeine.

The “proprietary blend” is little more than a sneaky way to use tiny (ineffective) amounts of lots of ingredients and hope customers don’t know any better.

↑

A review of caffeine's effects on cognitive, physical and occupational performance.

McLellan TM, Caldwell JA, Lieberman HR. Neurosci Biobehav Rev. 2016;71:294-312. doi:10.1016/j.neubiorev.2016.09.001. ↑

Every bottle of Pulse is guaranteed to provide exactly what the label claims and nothing else—no heavy metals, microbes, allergens, or other contaminants.

↑

10. Caffeine to optimize cognitive function for military mission-readiness: a systematic review and recommendations for the field.

Crawford C, Teo L, Lafferty L, et al. Nutr Rev. 2017;75(suppl_2):17-35. doi:10.1093/nutrit/nux007. ↑

11. Caffeine improves reaction time, vigilance and logical reasoning during extended periods with restricted opportunities for sleep.

Kamimori GH, McLellan TM, Tate CM, Voss DM, Niro P, Lieberman HR. Psychopharmacology (Berl). 2015;232(12):2031-2042. doi:10.1007/s00213-014-3834-5. ↑

12. Caffeine: a double-blind, placebo-controlled study of its thermogenic, metabolic, and cardiovascular effects in healthy volunteers.

Astrup A, Toubro S, Cannon S, Hein P, Breum L, Madsen J. Am J Clin Nutr. 1990;51(5):759-767. doi:10.1093/ajcn/51.5.759. ↑

13. The acute effects of a caffeine-containing supplement on strength, muscular endurance, and anaerobic capabilities.

Beck TW, Housh TJ, Schmidt RJ, Johnson GO, Housh DJ, Coburn JW, Malek MH. Department of Nutrition and Health Sciences, Human Performance Laboratory, University of Nebraska-Lincoln. J Strength Cond Res. 2006 Aug;20(3):506-10. ↑

14. Effect of caffeine ingestion on muscular strength and endurance: a meta-analysis.

Warren GL, Park ND, Maresca RD, McKibans KI, Millard-Stafford ML. Med Sci Sports Exerc. 2010;42(7):1375-1387. doi:10.1249/MSS.0b013e3181cabbd8.↑

15. The effects of caffeine ingestion on isokinetic muscular strength: A meta-analysis.

Grgic J, Pickering C. J Sci Med Sport. 2019;22(3):353-360. doi:10.1016/j.jsams.2018.08.016.↑

16. Effects of caffeine intake on muscle strength and power: a systematic review and meta-analysis.

Grgic J, Trexler ET, Lazinica B, Pedisic Z. J Int Soc Sports Nutr. 2018;15:11. Published 2018 Mar 5. doi:10.1186/s12970-018-0216-0.↑

17. Caffeine ingestion enhances Wingate performance: a meta-analysis.

Grgic J. Eur J Sport Sci. 2018;18(2):219-225. doi:10.1080/17461391.2017.1394371.↑

18. The acute effects of a caffeine-containing supplement on strength, muscular endurance, and anaerobic capabilities.

19. Effect of caffeine ingestion on muscular strength and endurance: a meta-analysis.

Warren GL, Park ND, Maresca RD, McKibans KI, Millard-Stafford ML. Med Sci Sports Exerc. 2010;42(7):1375-1387. doi:10.1249/MSS.0b013e3181cabbd8.↑

20. Acute effect of caffeine consumption on isotonic muscular strength and endurance: A systematic review and meta-analysis.

Polito MD, Souza DB, Casonatto J, Farinatti P. Sci Sports. 2016;31(3):119-128. doi:10.1016/J.SCISPO.2016.01.006.↑

21. The acute effects of a caffeine-containing supplement on strength, muscular endurance, and anaerobic capabilities.

22. Effect of caffeine on sport-specific endurance performance: a systematic review.

Ganio MS, Klau JF, Casa DJ, Armstrong LE, Maresh CM. J Strength Cond Res. 2009;23(1):315-324. doi:10.1519/JSC.0b013e31818b979a.↑

23. Establishing a relationship between the effect of caffeine and duration of endurance athletic time trial events: A systematic review and meta-analysis.

Shen JG, Brooks MB, Cincotta J, Manjourides JD. J Sci Med Sport. 2019;22(2):232-238. doi:10.1016/j.jsams.2018.07.022.↑

24. The Effect of Acute Caffeine Ingestion on Endurance Performance: A Systematic Review and Meta-Analysis.

Southward K, Rutherfurd-Markwick KJ, Ali A. [published correction appears in Sports Med. 2018 Aug 9;:]. Sports Med. 2018;48(8):1913-1928. doi:10.1007/s40279-018-0939-8.↑

25. The effects of different doses of caffeine on endurance cycling time trial performance.

Desbrow B, Biddulph C, Devlin B, Grant GD, Anoopkumar-Dukie S, Leveritt MD. J Sports Sci. 2012;30(2):115-120. doi:10.1080/02640414.2011.632431.↑

26. Effect of caffeine on sport-specific endurance performance: a systematic review.

Ganio MS, Klau JF, Casa DJ, Armstrong LE, Maresh CM. J Strength Cond Res. 2009;23(1):315-324. doi:10.1519/JSC.0b013e31818b979a.↑

27. A review of caffeine’s effects on cognitive, physical and occupational performance.

McLellan TM, Caldwell JA, Lieberman HR. Neurosci Biobehav Rev. 2016;71:294-312. doi:10.1016/J.NEUBIOREV.2016.09.001. ↑

28. International society of sports nutrition position stand: caffeine and exercise performance.

Guest NS, VanDusseldorp TA, Nelson MT, et al. J Int Soc Sports Nutr. 2021;18(1). doi:10.1186/S12970-020-00383-4. ↑

29. L-Theanine reduces psychological and physiological stress responses.

Kimura K, Ozeki M, Juneja LR, Ohira H. Biol Psychol. 2007;74(1):39-45. doi:10.1016/j.biopsycho.2006.06.006.↑

30. In Search of a Safe Natural Sleep Aid.

Rao TP, Ozeki M, Juneja LR. J Am Coll Nutr. 2015;34(5):436-447. doi:10.1080/07315724.2014.926153.↑

31. Psychological effects of dietary components of tea: caffeine and L-theanine.

Bryan J. School of Psychology, University of South Australia, Adelaide, 5001, South Australia, Australia. Nutr Rev. 2008 Feb;66(2):82-90. ↑

32. L-theanine and caffeine improve task switching but not intersensory attention or subjective alertness.

Einöther SJ, Martens VE, Rycroft JA, De Bruin EA. Sensation, Perception & Behaviour, Unilever R&D Vlaardingen, Vlaardingen, The Netherlands. Appetite. 2010 Apr;54(2):406-9. ↑

33. The effects of L-theanine on alpha-band oscillatory brain activity during a visuo-spatial attention task.

Gomez-Ramirez M, Kelly SP, Montesi JL, Foxe JJ. Program in Cognitive Neuroscience and Schizophrenia, The Cognitive Neurophysiology Laboratory, Nathan S. Kline Institute for Psychiatric Research, Orangeburg, NY, USA. Brain Topogr. 2009 Jun;22(1):44-51. ↑

34. l-Theanine and caffeine improve target-specific attention to visual stimuli by decreasing mind wandering: a human functional magnetic resonance imaging study.

Kahathuduwa CN, Dhanasekara CS, Chin S-H, et al. Nutr Res. 2018;49:67-78. doi:10.1016/j.nutres.2017.11.002.↑

35. L-theanine promotes nitric oxide production in endothelial cells through eNOS phosphorylation.

Siamwala JH, Dias PM, Majumder S, Joshi MK, Sinkar VP, Banerjee G, Chatterjee S. Vascular Biology Lab, AU-KBC Research Centre, Anna University, MIT Campus, Chennai, India. J Nutr Biochem. 2013 Mar;24(3):595-605. ↑

36. Nitric oxide synthases: regulation and function (Articulo de revision).

Förstermann U, Sessa WC. Eur Heart J. 2012;33(7):829-837, 837a-837d. doi:10.1093/eurheartj/ehr304.↑

37. Vascular nitric oxide: Beyond eNOS.

Zhao Y, Vanhoutte PM, Leung SWS. J Pharmacol Sci. 2015;129(2):83-94. doi:10.1016/j.jphs.2015.09.002.↑

38. Citrulline malate enhances athletic anaerobic performance and relieves muscle soreness.

Pérez-Guisado J, Jakeman PM. Department of Medicine, University of Córdoba, Córdoba, Spain. J Strength Cond Res. 2010 May;24(5):1215-22. ↑

39. Acute citrulline malate supplementation improves upper- and lower-body submaximal weightlifting exercise performance in resistance-trained females.

Glenn JM, Gray M, Wethington LN, Stone MS, Stewart RW, Moyen NE. Eur J Nutr. 2017;56(2):775-784. doi:10.1007/s00394-015-1124-6.↑

40. Acute citrulline-malate supplementation improves maximal strength and anaerobic power in female, masters athletes tennis players.

Glenn JM, Gray M, Jensen A, Stone MS, Vincenzo JL. Eur J Sport Sci. 2016;16(8):1095-1103. doi:10.1080/17461391.2016.1158321.↑

41. Citrulline malate enhances athletic anaerobic performance and relieves muscle soreness.

Pérez-Guisado J, Jakeman PM. Department of Medicine, University of Córdoba, Córdoba, Spain. J Strength Cond Res. 2010 May;24(5):1215-22. ↑

42. Citrulline/malate promotes aerobic energy production in human exercising muscle.

Bendahan D, Mattei JP, Ghattas B, Confort-Gouny S, Le Guern ME, Cozzone PJ. Centre de Résonance Magnétique Biologique et Médicale, Faculté de Médecine de la Timone, France. Br J Sports Med. 2002 Aug;36(4):282-9. ↑

43. Oral L-citrulline supplementation enhances cycling time trial performance in healthy trained men: Double-blind randomized placebo-controlled 2-way crossover study.

Suzuki T, Morita M, Kobayashi Y, Kamimura A. J Int Soc Sports Nutr. 2016;13:6. doi:10.1186/s12970-016-0117-z.↑

44. Influence of oral beta-alanine and L-histidine supplementation on the carnosine content of the gluteus medius.

Dunnett M, Harris RC. Department of Veterinary Basic Sciences, Royal Veterinary College, Hatfield, Hertfordshire, UK. Equine Vet J Suppl. 1999 Jul;(30):499-504. ↑

45. The biological role of carnosine and its possible applications in medicine.

Budzeń S, Rymaszewska J. Adv Clin Exp Med. 22(5):739-744.↑

46. beta-Alanine supplementation augments muscle carnosine content and attenuates fatigue during repeated isokinetic contraction bouts in trained sprinters.

Derave W, Ozdemir MS, Harris RC, Pottier A, Reyngoudt H, Koppo K, Wise JA, Achten E. Dept. of Movement and Sport Sciences, Ghent Univ, Belgium. J Appl Physiol. 2007 Nov;103(5):1736-43. ↑

47. Effects of beta-alanine supplementation on the onset of neuromuscular fatigue and ventilatory threshold in women.

Stout JR, Cramer JT, Zoeller RF, Torok D, Costa P, Hoffman JR, Harris RC, O'Kroy J. Department of Health and Exercise Science, University of Oklahoma, Norman, OK, USA. Amino Acids. 2007;32(3):381-6. ↑

48. The effect of beta-alanine supplementation on neuromuscular fatigue in elderly (55-92 Years): a double-blind randomized study.

Stout JR, Graves BS, Smith AE, Hartman MJ, Cramer JT, Beck TW, Harris RC. Department of Health and Exercise Science, University of Oklahoma, Norman, OK, USA. J Int Soc Sports Nutr. 2008 Nov 7;5:21. ↑

49. Short-duration beta-alanine supplementation increases training volume and reduces subjective feelings of fatigue in college football players.

Hoffman JR, Ratamess NA, Faigenbaum AD, Ross R, Kang J, Stout JR, Wise JA. Department of Health and Exercise Science, The College of New Jersey, Ewing, NJ, USA. Nutr Res. 2008 Jan;28(1):31-5. ↑

50. Influence of beta-alanine supplementation on skeletal muscle carnosine concentrations and high intensity cycling capacity.

Hill CA, Harris RC, Kim HJ, Harris BD, Sale C, Boobis LH, Kim CK, Wise JA. School of Sports, Exercise & Health Sciences, University of Chichester, Chichester, UK. Amino Acids. 2007 Feb;32(2):225-33. ↑

51. Effect of β-alanine plus sodium bicarbonate on high-intensity cycling capacity.

Sale C, Saunders B, Hudson S, Wise JA, Harris RC, Sunderland CD. Biomedical, Life and Health Sciences Research Centre, School of Science and Technology, Nottingham Trent University, Nottingham, UK. Med Sci Sports Exerc. 2011 Oct;43(10):1972-8. ↑

52. Six weeks of high-intensity interval training with and without beta-alanine supplementation for improving cardiovascular fitness in women.

Walter AA, Smith AE, Kendall KL, Stout JR, Cramer JT. Biophysics Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, Oklahoma, USA. J Strength Cond Res. 2010 May;24(5):1199-207. ↑

53. Effects of beta-alanine supplementation and high-intensity interval training on endurance performance and body composition in men; a double-blind trial.

Smith AE, Walter AA, Graef JL, Kendall KL, Moon JR, Lockwood CM, Fukuda DH, Beck TW, Cramer JT, Stout JR. Metabolic and Body Composition Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, OK, USA. J Int Soc Sports Nutr. 2009 Feb 11;6:5. ↑

54. Effects of β-alanine supplementation on exercise performance: a meta-analysis.

Hobson RM, Saunders B, Ball G, Harris RC, Sale C. Biomedical, Life and Health Sciences Research Centre, School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham, UK. Amino Acids. 2012 Jul;43(1):25-37. ↑

55. Effects of β-alanine supplementation on performance and body composition in collegiate wrestlers and football players.

Kern BD, Robinson TL. Human Performance and Physical Education Department, Adams State College, Alamosa, Colorado, USA. J Strength Cond Res. 2011 Jul;25(7):1804-15. ↑

56. Effects of beta-alanine supplementation and high-intensity interval training on endurance performance and body composition in men; a double-blind trial.

57. Effects of beta-alanine supplementation on the onset of neuromuscular fatigue and ventilatory threshold in women.

58. The effect of beta-alanine supplementation on neuromuscular fatigue in elderly (55-92 Years): a double-blind randomized study.

59. Short-duration beta-alanine supplementation increases training volume and reduces subjective feelings of fatigue in college football players.

Hoffman JR, Ratamess NA, Faigenbaum AD, Ross R, Kang J, Stout JR, Wise JA. Department of Health and Exercise Science, The College of New Jersey, Ewing, NJ, USA. Nutr Res. 2008 Jan;28(1):31-5. ↑

60. The effect of two β-alanine dosing strategies on 30-minute rowing performance: a randomized, controlled trial.

Beasley L, Smith L, Antonio J, Gordon D, Johnstone J, Roberts J. J Int Soc Sports Nutr. 2018 Dec 18;15(1):59. doi: 10.1186/s12970-018-0266-3. ↑

61. Acute supplementation with alpha-glycerylphosphorylcholine augments growth hormone response to, and peak force production during, resistance exercise.

Ziegenfuss T, Landis J, Hofheins J. J Int Soc Sports Nutr. 2008;5(Suppl 1):P15. doi:10.1186/1550-2783-5-S1-P15. ↑

62. Cognitive improvement in mild to moderate Alzheimer’s dementia after treatment with the acetylcholine precursor choline alfoscerate: a multicenter, double-blind, randomized, placebo-controlled trial.

De Jesus Moreno Moreno M. Clin Ther. 2003;25(1):178-193. ↑

63. Glycerophosphocholine enhances growth hormone secretion and fat oxidation in young adults.

Kawamura T, Okubo T, Sato K, et al. Nutrition. 2012;28(11-12):1122-1126. doi:10.1016/j.nut.2012.02.011 ↑

64. Evaluation of the effects of two doses of alpha glycerylphosphorylcholine on physical and psychomotor performance. Journal of the International Society of Sports Nutrition.

Marcus L, Soileau J, Judge LW, Bellar D. Journal of the International Society of Sports Nutrition. 2017;14:39. doi:10.1186/s12970-017-0196-5. ↑

65. The effects of chronic betaine supplementation on exercise performance, skeletal muscle oxygen saturation and associated biochemical parameters in resistance trained men.

Trepanowski JF, Farney TM, McCarthy CG, Schilling BK, Craig SA, Bloomer RJ. Cardiorespiratory/Metabolic Laboratory, The University of Memphis, Memphis, Tennessee, USA. J Strength Cond Res. 2011 Dec;25(12):3461-71. ↑

66. Ergogenic effects of betaine supplementation on strength and power performance.

Lee EC, Maresh CM, Kraemer WJ, Yamamoto LM, Hatfield DL, Bailey BL, Armstrong LE, Volek JS, McDermott BP, Craig SA. Department of Kinesiology, University of Connecticut, Storrs, CT, USA. J Int Soc Sports Nutr. 2010 Jul 19;7:27. ↑

67. Artificial Sweeteners: History and New Concepts on Inflammation.

Basson AR, Rodriguez-Palacios A, Cominelli F. Front Nutr. 2021;8:746247. Published 2021 Sep 24. doi:10.3389/fnut.2021.746247.↑

68. Non-caloric artificial sweeteners and the microbiome: findings and challenges.

Suez J, Korem T, Zilberman-Schapira G, Segal E, Elinav E. Gut Microbes. 2015;6(2):149-155. doi:10.1080/19490976.2015.1017700.↑

69. What made Canada become a country with the highest incidence of inflammatory bowel disease: could sucralose be the culprit?

Qin X. Department of Surgery, University of Medicine and Dentistry of New Jersey, New Jersey Medical School, Newark, New Jersey, USA. Can J Gastroenterol. 2011 Sep;25(9):511. ↑

70. Artificial Sweeteners Negatively Regulate Pathogenic Characteristics of Two Model Gut Bacteria, E. coli and E. faecalis.

Shil A, Chichger H. Int J Mol Sci. 2021;22(10):5228. Published 2021 May 15. doi:10.3390/ijms22105228.↑

71. Artificial sweeteners induce glucose intolerance by altering the gut microbiota.

Suez J, Korem T, Zeevi D, et al. Nature. 2014;514(7521):181-186. doi:10.1038/nature13793.↑

72. High-intensity sweetener consumption and gut microbiome content and predicted gene function in a cross-sectional study of adults in the United States.

Frankenfeld CL, Sikaroodi M, Lamb E, Shoemaker S, Gillevet PM. Ann Epidemiol. 2015;25(10):736-42.e4. doi:10.1016/j.annepidem.2015.06.083.↑

73. Steviol glycosides from Stevia: biosynthesis pathway review and their application in foods and medicine.

Yadav SK, Guleria P. CSIR-Institute of Himalayan Bioresource Technology, Palampur, 176061, HP, India. Crit Rev Food Sci Nutr. 2012;52(11):988-98. ↑

74. Antioxidant, anti-diabetic and renal protective properties of Stevia rebaudiana.

Shivanna N, Naika M, Khanum F, Kaul VK. Department of Applied Nutrition, Defence Food Research Laboratory, Mysore, India. J Diabetes Complications. 2013 Mar-Apr;27(2):103-13. ↑

75. Safety evaluation of certain food additives.

World Health Organization. WHO Press; 2006. Available at: http://whqlibdoc.who.int/publications/2006/9241660546_eng.pdf. Accessed January 24, 2019. ↑

76. Effects of Stevia rebaudiana (Bertoni) extract and N-nitro-L-arginine on renal function and ultrastructure of kidney cells in experimental type 2 Diabetes.

Ozbayer C, Kurt H, Kalender S, Ozden H, Gunes HV, Basaran A, Cakmak EA, Civi K, Kalender Y, Degirmenci I. Department of Medical Biology, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey. J Med Food. 2011 Oct;14(10):1215-22. ↑

77. Toxicological significance of azo dye metabolism by human intestinal microbiota.

Feng J, Cerniglia CE, Chen H. Division of Microbiology, National Center for Toxicological Research, US Food and Drug Administration, AR , USA. Front Biosci (Elite Ed). 2012 Jan 1;4:568-86. ↑

78. Artificial food dyes and attention deficit hyperactivity disorder.

Kanarek RB. Department of Psychology, Tufts University, Medford, Massachusetts, USA. Nutr Rev. 2011 Jul;69(7):385-91. ↑

79. Meta-analysis of attention-deficit/hyperactivity disorder or attention-deficit/hyperactivity disorder symptoms, restriction diet, and synthetic food color additives.

Nigg JT, Lewis K, Edinger T, Falk M. Oregon Health and Science University, Portland, OR, USA. J Am Acad Child Adolesc Psychiatry. 2012 Jan;51(1):86-97.e8. ↑

80. Food additives and hyperactive behaviour in 3-year-old and 8/9-year-old children in the community: a randomised, double-blinded, placebo-controlled trial.

McCann D, Barrett A, Cooper A, Crumpler D, Dalen L, Grimshaw K, Kitchin E, Lok K, Porteous L, Prince E, Sonuga-Barke E, Warner JO, Stevenson J. School of Psychology, Department of Child Health, University of Southampton, Southampton, UK. Lancet. 2007 Nov 3;370(9598):1560-7. ↑

81. Effect of food azo dye tartrazine on learning and memory functions in mice and rats, and the possible mechanisms involved.

Gao Y, Li C, Shen J, Yin H, An X, Jin H. Scientific and Technological College of Chemistry and Biology, Yantai Univ., Yantai, PR China. J Food Sci. 2011 Aug;76(6):T125-9. ↑

View All References

Pulse Pre-Workout Supplement

Pulse undefined Pre-Workout Supplement

$35.99

Legion Pulse Ingredients (15.1 grams per serving)

Caffeine (350 milligrams per serving)

L-Theanine (350 milligrams per serving)

Citrulline Malate (8 grams per serving)

Beta-Alanine (3.6 grams per serving)

Alpha-GPC (300 milligrams per serving)

Betaine (2.5 grams per serving)

Naturally Sweetened & Flavored

No Artificial Food Dyes, Fillers, or Other Unnecessary Junk

Third-Party Lab Tested for Potency & Purity

See how Legion Pulse pre-workout compares to the rest.

Legion PulsePre-Workout

Pre JYMPre-Workout

PEScience Prolific Pre-Workout

C4Pre-Workout

The #1 brand of naturally sweetened sports supplements.

Clinically Effective Ingredients and Doses

Naturally Sweetened and Flavored

Total Label Transparency

Third-Party Lab Tested by Labdoor™

Made in the USA

"No Return Necessary"Money-Back Guarantee

Dr. Bill Campbell, PhD

Dr. Spencer Nadolsky, MD

Sal Di Stefano, Justin Andrews, and Adam Schafer

Jordan Syatt

Menno Henselmans, MS

Dr. Bill Campbell, PhD

Frequently Asked Questions

+References

Wait!Want to save 50% on your order of Legion supplements?

Security Check

Your Cart

Your cart is lonely.Start shopping to show it some love!

Buy now, pay later.

Here's how to Sezzle

Shop

Checkout

Sezzle it

Download the App

Evidence Based

Legion's Scientific Review Process

Fact Checked

You're Back!We've Missed You!

OUT OF STOCK

Enter your email address below and we'll let you know when this item returns.

Waiver and Release of Liability

Pulse undefined
Pre-Workout Supplement

Legion Pulse
Pre-Workout

Pre JYM
Pre-Workout

PEScience
Prolific Pre-Workout

C4
Pre-Workout

"No Return Necessary"
Money-Back Guarantee

Wait!
Want to save 50% on your order of Legion supplements?

Your cart is lonely.
Start shopping to show it some love!

You're Back!
We've Missed You!