299. Q&A: Folic Acid, MTHFR, Vitamin D3 & Testosterone

Aug 27, 2026 · 19 min · YouTube

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asr · 3,421 words · docs
0:00Every week, thousands of you leave questions in the comments.
0:02And after reading through all of them, I noticed something.
0:05The same questions keep coming up over and over again.
0:07So today, I'm not bringing on a guest.
0:09Today, it's just me and you.
0:11And this is the episode where I finally sit down and answer the questions you've been asking me most.
0:15Is Gary on TRT?
0:17What does he take every day?
0:18Yes, I am on hormone replacement therapy.
0:20And the reason why we call it hormone replacement therapy is because how do I lose weight?
0:24Does 3030-30 actually work?
0:27Yes.
0:27What is 30-30-30?
0:29It is.
0:29I'm outside the U.S.
0:30How do I get tests and find a doctor just like you?
0:33Well, remember, I'm not a doctor.
0:34I'm a human biologist.
0:36But the most important website for you, if you are outside the U.S., is which diet should I follow?
0:41What does Gary eat?
0:43There is no evidence that dogmatic dieting extends life.
0:47So the answer to a long life is not carnivore, keto, paleo, pescatarian, vegan, vegetarian, raw food.
0:52The answer to extending life is every week, thousands of you leave questions in the comments.
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