Fortify | Joint Support

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The Rapid Recovery Stack boosts strength and muscle growth, enhances joint function, and improves overall health and performance.

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Our "No Return Necessary"
Money-Back Guarantee

If you don’t like something of ours, guess what happens next?

No, we don’t request you deliver it to a PO box in the Gobi Desert by carrier pigeon. Nor do we ask you to fill a cursed inkwell with orc’s blood and demon saliva and then use it to complete reams of return forms written in ancient Cyrillic script.

We just . . . wait for it . . . give you your money back. Holy moo cows. And that means you can say "yes" now and decide later.

Will Fortify give you the bulletproof joints of a 20-year-old swimmer? No.

Will it guarantee your joints never ache again? Absolutely not.

But will it help reduce joint stiffness, swelling, and discomfort and improve range of motion and durability? Yes. Or your money back.

  • Total formulation transparency (no proprietary blends)[8] This means you know exactly what’s in every serving of Fortify—every dose of every ingredient—and can verify the accuracy and efficacy of the formulation.
  • Made in the USA in NSF-certified and FDA-inspected and cGMP-compliant facilities
  • Backed by our “No Return Necessary” money-back guarantee that works like this: If you don’t absolutely love Fortify, just let us know, and we’ll give you a full refund on the spot. No forms or returns necessary.

So order now, try Fortify risk-free, and see for yourself why we believe it’s the perfect all-natural joint supplement (that has sold over 80,000 bottles and counting!).

Will Fortify give you the bulletproof joints of a 20-year-old swimmer? No.

Will it guarantee your joints never ache again? Absolutely not.

But will it help reduce joint stiffness, swelling, and discomfort and improve range of motion and durability? Yes. Or your money back.

  • 27 peer-reviewed scientific studies support Fortify’s combination of ingredients and doses[5] That’s 309 pages of scientific research that shows Fortify works the way we say it does.
  • Analyzed for purity and potency in a state-of-the-art ISO 17025 accredited lab[6] Every bottle of Fortify is guaranteed to provide exactly what the label claims and nothing else—no heavy metals, microbes, allergens, or other contaminants.
  • Contains no artificial fillers, food dyes, or other chemical 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. And that’s why you won’t find them in Fortify.
  • Total formulation transparency (no proprietary blends)[8] This means you know exactly what’s in every serving of Fortify—every dose of every ingredient—and can verify the accuracy and efficacy of the formulation.
  • Made in the USA in NSF-certified and FDA-inspected and cGMP-compliant facilities

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

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

So order now, try Fortify risk-free, and see for yourself why we believe it’s the perfect all-natural joint supplement (that has sold over 80,000 bottles 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.

See how Legion compares to the rest.

  • Active Ingredients
  • Clinically Effective
    Ingredients & Doses
  • UC-II® Undenatured
    Type II Collagen
  • Meriva® Curcumin
  • AprèsFlex® Boswellia Serrata
  • 100% Natural Ingredients
  • Lab Tested
  • Labdoor Certified Brand
  • Price Per Serving
  • Legion Fortify
    Joint Support

    Fortify
  • 1,735 mg
    per serving
  • True
  • 20 mg
    per serving
  • 500 mg
    per serving
  • 125 mg
    per serving
  • True
  • True
  • True
  • $
  • GNC InstaFlex
    Joint Support

    GNC InstaFlex
  • 450 mg
    per serving
  • False
  • 3 mg
    per serving
  • False
  • 100 mg
    per serving
  • False
  • close
  • False
  • $2.17
  • NOW Foods
    Advanced UC-II® Joint Relief

    Now Foods Advanced
  • 158 mg
    per serving
  • False
  • 10 mg
    per serving
  • False
  • False
  • True
  • close
  • False
  • $0.67
  • Thorne
    Meriva-SF

    Thorne Meriva-SF
  • 500 mg
    per serving
  • True
  • False
  • 500 mg
    per serving
  • False
  • True
  • close
  • False
  • $0.73

Ingredients (1,735 milligrams per serving)

UC-II® Undenatured Type II Collagen (20 milligrams per serving)

Collagen is the main protein in the various connective tissues in animals, and type II collagen is a type of collagen that makes up your joint cartilage.

“Undenatured” is often a meaningless marketing buzzword, but in this case, it’s a vitally important component of Fortify because it means the collagen is in its more natural form (and not heavily altered by chemicals or heat).

This is important because research shows that denatured collagen has no beneficial effects on joint inflammation.[9]

Studies show that undenatured collagen, however, is highly effective for regulating the immune response that inflames joints and destroys cartilage and bone.[10]

And the best part about undenatured type II collagen is these effects have been demonstrated in both people with arthritic conditions and healthy joints.[11]

That is, whether you currently have joint problems or not, you can benefit from supplementing with undenatured type II collagen.

The clinically effective dose of undenatured type II collagen is between 10 and 40 milligrams.

Raw chicken breast

Meriva® Curcumin (500 milligrams per serving)

Curcumin is the orange pigment found in the turmeric plant, which is the main spice in curry.

It has been used therapeutically in Ayurvedic medicine for thousands of years, and its health benefits are extensive.

For instance, scientists around the world are investigating its effects on a variety of diseases, including cancer, cardiovascular disease, osteoporosis, diabetes, Alzheimer’s, and more.[12]

Curcumin inhibits a pro-inflammatory enzyme known as cyclooxygenase (COX), and that’s why research shows it reduces inflammation in the joints, relieves pain and stiffness, and improves mobility.[13][14]

The clinically effective dose of Meriva® curcumin is 500 milligrams.

We chose Meriva® for Fortify over curcumin with black pepper extract (a common pairing) because the latter may influence the absorption and metabolism of other substances, including drugs, whereas Meriva has no such potentially adverse interactions.

Tumeric

AprèsFlex® Boswellia Serrata (125 milligrams per serving)

Boswellia serrata is a plant native to much of India and Pakistan that produces an aromatic substance known as frankincense, which has been used for thousands of years in Ayurvedic medicine to treat various disorders related to inflammation.[15]

Frankincense contains molecules known as boswellic acids, including one in particular known as acetyl-11-keto-β-boswellic acid (or AKBA), and research shows they inhibit the production of several proteins that cause inflammation in the body.[16]

This effect extends to the joints, which is why studies show that Boswellia serrata reduces joint inflammation and pain, as well as inhibits an autoimmune response that eats away at joint cartilage and eventually causes arthritis.[17]

The clinically effective dose of Boswellia serrata is between 100 and 200 milligrams, depending on its boswellic acid content.

Boswellia Serrata plant

Grape Seed Extract (90 milligrams per serving)

Grape seed extract is a substance derived from the ground-up seeds of red wine grapes that has long been used in European medicine.

It contains a powerful antioxidant known as procyanidin B2, which remains in the body for much longer than other similar molecules and improves blood flow to the joints.[18]

That's why research shows that grape seed extract helps protect joints from damage caused by an autoimmune response that eats away at them, eventually causing arthritis.[19][20]

Studies also show that supplementation with grape seed extract provides other benefits, including . . .

  • Protecting eye health[21]
  • Reducing risk of heart disease[22][23]
  • Improving blood glucose control[24]
  • Enhancing blood flow to the extremities, which can reduce the appearance of varicose veins[25]
  • Potential anti-cancer activities[26][27][28]

The clinically effective dose of grape seed extract is between 75 and 300 milligrams.

Grapes and grape seeds

Agmatine Sulfate (500 milligrams per serving)

Agmatine is a neurotransmitter created in the body from the amino acid L-arginine (and sulfate is a substance used to simply stabilize the agmatine).

Agmatine enhances the function of the body’s opioid and cannabinoid systems, which are intimately associated with relieving pain and producing feelings of pleasure.

That’s why research shows that supplementation with agmatine sulfate may relieve pain (including joint pain) caused by nerve irritation or damage.[29]

The clinically effective dose of agmatine isn’t established yet, but research suggests a wide range of efficacy, from hundreds of milligrams to several grams.

Whole egg and broken in half egg with yolk inside

Vitamin C (500 milligrams per serving)

Vitamin C is an antioxidant that helps maintain healthy tissues, teeth, and gums, promote wound healing, and boost immune function.

Studies show that vitamin C is effective at decreasing the risk of developing and treating Complex Regional Pain Syndrome (CRPS), which is a difficult-to-diagnose form of chronic pain that typically develops after an injury.[30]

Additionally, as vitamin C plays a role in the synthesis of joint collagen, it’s theorized that supplementation may enhance this process, but more research is required.

The clinically effective dose of vitamin C for potentially impacting collagen synthesis and preventing and treating CRPS is 500 milligrams per day.

Whole orange and half an orange with leaves

No Artificial Food Dyes or Other Chemical Junk

Studies show that artificial food dyes may cause negative effects in some people, including gastrointestinal toxicity and behavioral disorders.[31][32][33][34][35]

No Artificial Food Dyes or Other Chemical Junk

Lab Tested for Potency & Purity

Every bottle of Fortify is analyzed in a state-of-the-art ISO 17025 accredited lab to verify what is and isn’t in it. That way, you know exactly what you’re getting and putting into your body.

Lab Tested for Potency & Purity
Fortify Lab Test Certificate Page 1 Fortify Lab Test Certificate Page 2
Natural Ingredients
No Chemical Junk

Fortify doesn’t just “contain natural ingredients”—every ingredient is naturally sourced. We don’t use artificial or synthetic substances of any kind.

Science-Backed Ingredients
Science-Backed Ingredients

Every ingredient in Fortify is backed by peer-reviewed scientific research demonstrating clear benefits in healthy humans.

Clinically Effective Doses
Clinically Effective Doses

Every ingredient in Fortify is included at clinically effective levels, which are the exact amounts shown to be safe and effective in peer-reviewed scientific research.

Lab Tested
Lab Tested

Fortify is tested by third-party labs for heavy metals, microbes, allergens, and other contaminants to ensure it meets FDA purity standards.

Made in USA
Made in USA

Fortify is proudly made in America in NSF-certified and FDA-inspected facilities in accordance with the Current Good Manufacturing Practice (cGMP) regulations.

100% Money-Back-Guarantee
"No Return Necessary"
Money-Back Guarantee

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

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

Previous
  • Dr. Spencer Nadolsky, MD

    Board Certified Family Medicine Physician and a Diplomate of the American Board of Obesity Medicine

    "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. Grant Tinsley, PhD

    Associate Professor and Director of Energy Balance & Body Composition Laboratory at Texas Tech University

    "Legion produces the highest quality supplements on the market. The ingredients and doses in their products are selected according to the scientific research, and they're continually working to improve their formulations based on new research."

  • Dr. Bill Campbell, PhD

    Professor of Exercise Science at University of South Florida

    "Legion is science-based at its core. All of their products contain doses proven to be effective by scientific studies, and they fund new research. They don't just want to sell you supplements—they want to change the supplement industry for the better."

  • Menno Henselmans, MS

    Founder of Bayesian Bodybuilding, Published Scientist, and Physique 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."

  • James Krieger, MS

    Published Scientist, Author, and Speaker

    "There are three reasons I like Legion. First, they use ingredients backed by independent, peer-reviewed scientific studies. Second, the quality of their supplements exceeds many in the industry and you know you’re getting what’s on the label. Third, Mike Matthews is a solid evidence-based guy who doesn’t over-hype."

  • Chris Barakat, MS

    Published Scientist and Physique Coach

    "I've been involved in the supplement industry for over a decade now, and I can tell you that Legion is the ONLY company doing EVERYTHING right! They make effective products that are backed by scientific evidence, properly dose all of their ingredients, source every ingredient from the highest-quality sources, and are transparent about exactly what goes in each and every product."

  • Kurtis Frank

    Co-Founder and Former Lead Researcher & Writer of Examine.com

    "With Legion, you really do get what you pay for. Each and every product is packed with effective doses of effective ingredients, and what’s on the label is what's actually in the bottle."

  • Jordan Syatt

    Strength and Nutrition Coach

    "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."

  • Sal Di Stefano, Justin Andrews, and Adam Schafer

    Hosts of The Mind Pump Podcast

    "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."

Next

How to Use Fortify

Take 3 capsules daily, with or without meals. For optimal results, take first thing in the morning.

Supplement Facts

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Verified Customer Reviews

Ingredients & Directions

Fortify Supplement Facts Fortify Supplement Facts

Directions

Take 3 capsules daily, with or without meals. For optimal results, take first thing in the morning.

Warning

Check with a qualified healthcare professional before using this product if you are under 18 years of age or if you have any pre-existing medical conditions and/or are taking any prescription medication(s).

KEEP OUT OF REACH OF CHILDREN. STORE IN A COOL, DRY PLACE. DO NOT USE IF SAFETY SEAL IS BROKEN OR MISSING.

Frequently Asked Questions

How much joint pain relief can I expect from taking Fortify?
How quickly can I expect results from Fortify?
Can Fortify help my tendons and ligaments?
I have healthy joints. Can I benefit from Fortify?
I have muscle pains. Can Fortify help me?
Why doesn’t Fortify have ingredients commonly found in other joint supplements like glucosamine, chondroitin, and MSM?
Fortify is kind of expensive. Why should I buy it over cheaper alternatives?
What does “clinically effective dosages” mean, anyway? Isn’t it just marketing lingo?
How do I know you’re not selling bottles of fillers like other supplement companies have been caught doing?
How big are the pills?
Why are some of your ingredients patented?
What does the Prop65 warning on the label mean?
Is Fortify gluten-free?
Is Fortify vegetarian friendly?
Is Fortify vegan friendly?

+References

9. Suppression of type II collagen-induced arthritis by intragastric administration of soluble type II collagen.

Nagler-Anderson C, Bober LA, Robinson ME, Siskind GW, Thorbecke GJ. Proc Natl Acad Sci U S A. 1986 Oct;83(19):7443-6. doi: 10.1073/pnas.83.19.7443.

10. Undenatured type II collagen (UC-II®) for joint support: a randomized, double-blind, placebo-controlled study in healthy volunteers.

Lugo JP, Saiyed ZM, Lau FC, Molina JP, Pakdaman MN, Shamie AN, Udani JK. J Int Soc Sports Nutr. 2013 Oct 24;10(1):48. doi: 10.1186/1550-2783-10-48.

11. Type II collagen serology: a guide to clinical responsiveness to oral tolerance?

Gimsa U, Sieper J, Braun J, Mitchison NA. Rheumatol Int. 1997;16(6):237-40. doi: 10.1007/BF01375655.

12. Curcumin: the Indian solid gold.

Aggarwal BB, Sundaram C, Malani N, Ichikawa H. Adv Exp Med Biol. 2007;595:1-75. doi: 10.1007/978-0-387-46401-5_1.

13. The antioxidants curcumin and quercetin inhibit inflammatory processes associated with arthritis.

Jackson JK, Higo T, Hunter WL, Burt HM. Inflamm Res. 2006 Apr;55(4):168-75. doi: 10.1007/s00011-006-0067-z.

14. Efficacy and safety of Meriva®, a curcumin-phosphatidylcholine complex, during extended administration in osteoarthritis patients.

Belcaro G, Cesarone MR, Dugall M, Pellegrini L, Ledda A, Grossi MG, Togni S, Appendino G. Altern Med Rev. 2010 Dec;15(4):337-44.

15. Boswellia serrata, a potential antiinflammatory agent: an overview.

Siddiqui MZ. Indian J Pharm Sci. 2011 May;73(3):255-61. doi: 10.4103/0250-474X.93507.

16. Acetyl-11-keto-beta-boswellic acid (AKBA): structure requirements for binding and 5-lipoxygenase inhibitory activity.

Sailer ER, Subramanian LR, Rall B, Hoernlein RF, Ammon HP, Safayhi H. Br J Pharmacol. 1996 Feb;117(4):615-8. doi: 10.1111/j.1476-5381.1996.tb15235.x.

17. Efficacy and tolerability of Boswellia serrata extract in treatment of osteoarthritis of knee--a randomized double blind placebo controlled trial.

Kimmatkar N, Thawani V, Hingorani L, Khiyani R. Phytomedicine. 2003 Jan;10(1):3-7. doi: 10.1078/094471103321648593.

18. Effect of grape seed extract and quercetin on cardiovascular and endothelial parameters in high-risk subjects.

Clifton PM. J Biomed Biotechnol. 2004;2004(5):272-278. doi:10.1155/S1110724304403088.

19. Grape-seed proanthocyanidin extract as suppressors of bone destruction in inflammatory autoimmune arthritis.

Park J-S, Park M-K, Oh H-J, et al. PLoS One. 2012;7(12):e51377. doi:10.1371/journal.pone.0051377.

20. Grape seed proanthocyanidin extract (GSPE) differentially regulates Foxp3(+) regulatory and IL-17(+) pathogenic T cell in autoimmune arthritis.

Park M-K, Park J-S, Cho M-L, et al. Immunol Lett. 2011;135(1-2):50-58. doi:10.1016/j.imlet.2010.09.011.

21. Protective effect of grape seed extract against oxidative stress-induced cell death in a staurosporine-differentiated retinal ganglion cell line.

Yang H, Lee BK, Kook KH, Jung YS, Ahn J. Curr Eye Res. 2012;37(4):339-344. doi:10.3109/02713683.2011.645106.

22. The polyphenol-rich extract from grape seeds inhibits platelet signaling pathways triggered by both proteolytic and non-proteolytic agonists.

Olas B, Wachowicz B, Stochmal A, Oleszek W. Platelets. 2012;23(4):282-289. doi:10.3109/09537104.2011.618562.

23. The Effect of Grape Seed Extract on Cardiovascular Risk Markers: A Meta-Analysis of Randomized Controlled Trials.

Feringa HHH, Laskey DA, Dickson JE, Coleman CI. J Am Diet Assoc. 2011;111(8):1173-1181. doi:10.1016/j.jada.2011.05.015.

24. Postprandial blood glucose response to grape seed extract in healthy participants: A pilot study.

Sapwarobol S, Adisakwattana S, Changpeng S, Ratanawachirin W, Tanruttanawong K, Boonyarit W. Pharmacogn Mag. 2012;8(31):192-196. doi:10.4103/0973-1296.99283.

25. Proanthocyanidin-rich grape seed extract reduces leg swelling in healthy women during prolonged sitting.

Sano A, Tokutake S, Seo A. J Sci Food Agric. 2013;93(3):457-462. doi:10.1002/jsfa.5773.

26. Grape seed extract suppresses MDA-MB231 breast cancer cell migration and invasion.

Dinicola S, Pasqualato A, Cucina A, et al. Eur J Nutr. 2014;53(2):421-431. doi:10.1007/s00394-013-0542-6.

27. Gallic acid is an active component for the anticarcinogenic action of grape seed procyanidins in pancreatic cancer cells.

Cedó L, Castell-Auví A, Pallarès V, et al. Nutr Cancer. 2014;66(1):88-96. doi:10.1080/01635581.2014.851714.

28. Role of oxidative stress in cytotoxicity of grape seed extract in human bladder cancer cells.

Raina K, Tyagi A, Kumar D, Agarwal R, Agarwal C. Food Chem Toxicol. 2013;61:187-195. doi:10.1016/j.fct.2013.06.039.

29. Safety and Efficacy of Dietary Agmatine Sulfate in Lumbar Disc-associated Radiculopathy. An Open-label, Dose-escalating Study Followed by a Randomized, Double-blind, Placebo-controlled Trial.

Keynan O, Mirovsky Y, Dekel S, Gilad VH, Gilad GM. Pain Med. 2010;11(3):356-368. doi:10.1111/j.1526-4637.2010.00808.x.

30. Efficacy of vitamin C in preventing complex regional pain syndrome after wrist fracture: A systematic review and meta-analysis.

Aïm F, Klouche S, Frison A, Bauer T, Hardy P. Orthop Traumatol Surg Res. 2017;103(3):465-470. doi:10.1016/j.otsr.2016.12.021.

31. 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.

32. 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.

33. 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.

34. 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.

35. 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.

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