This was a fun episode for me, because my guest is a fitness “godfather” of sorts who has greatly influenced my own work and career, as well as probably the most-requested guest from listeners.

I’m talking about the inimitable Alan Aragon, who has been at the forefront of the evidence-based fitness movement for over a decade now and has helped countless fitness enthusiasts, professional athletes, and top coaches.

So, it’s a treat to finally get him on the show!

If you’re not familiar with Alan, he’s a nutrition researcher and educator and creator of the first-of-its-kind research review in 2008, called AARR (Alan Aragon’s Research Review). He also has a true talent for translating science into practical application, making it work for normal people with real lives and not just subjects in a lab.

In this episode, I pepper Alan with a smattering of questions that I often receive from my readers, ranging from artificial sweeteners’ effects on weight loss and the gut microbiome, to the benefits of cyclical dieting and refeeds, to protein timing and “hyperfeeding.”

So, if any of those topics interest you, or you just want to hear from one of the fitness industry’s finest educators, tune in!


11:00 – Can artificial sweeteners affect weight loss?

14:19 – What is scaccharine’s effect on the gut microbiota? 

22:09 – Will artificial sweeteners affect somebody that is already healthy and exercising?

25:19 – What are your thoughts on cyclical dieting? 

49:50 – What are your thoughts on carbohydrate and fat intake? 

53:51 – What are your thoughts on protein timing?

1:06:10 – What is your general recommendation for servings of protein a day?

1:10:25 – Where can people find you and your work? 

Mentioned on The Show:

Alan Aragon’s Research Review

Alan Aragon’s Instagram

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What did you think of this episode? Have anything else to share? Let me know in the comments below!