Q&A: Folic Acid, MTHFR, Vitamin D3 & Testosterone | TUH #299

27 Aug 2026 · 19 min
18:41

In this solo Q&A episode, human biologist and Ultimate Human founder Gary Brecka addresses the twelve most frequently asked questions from his audience. He begins by clarifying his credentials, noting his undergraduate and postgraduate training in biology, his 22‑year experience as a mortality analyst for life‑insurance, and his lack of a medical license. He then confirms that he is on testosterone replacement therapy (TRT), describing his primary hypogonadism, the 200 mg weekly split dose of a cypionate/propionate blend, and cites clinical guidelines and research that TRT reduces cardiovascular risk and does not increase prostate cancer risk. Brecka dismisses dogmatic diet trends, advocating a whole‑food, minimally processed diet rich in pasture‑raised animal products, vegetables, grass‑fed butter, olive oil, and slow‑burn carbs. He outlines his daily morning stack: Perfect Aminos (all nine essential amino acids), two hydrogen water tablets (H2Tab), a full spectrum mineral supplement, and Baja Gold sea salt. He references a separate video for a detailed 3‑day water‑fast protocol. Regarding genetics, he explains the prevalence of the MTHFR mutation, its impact on folate metabolism, and recommends methylfolate or methylated prenatal vitamins instead of synthetic folic acid. For vitamin D3, he advises a target serum level of 60‑80 ng/dL, achieved with at least 5,000 IU daily, paired with vitamin K2 to direct calcium to bone. He contrasts natural folate with synthetic folic acid, urging methylfolate supplementation. He provides a breathwork routine (Wim Hof‑style deep breaths with holds in the morning and long slow exhalations at night) to modulate the autonomic nervous system. He introduces the “30‑30‑30” weight‑loss protocol: 30 g of protein within 30 minutes of waking followed by 30 minutes of low‑intensity steady‑state cardio, explaining the metabolic rationale. For non‑US viewers, he directs them to theultimatehumanwellness.com for genetic testing kits and supplement delivery. Finally, he encourages viewers to adopt a single change from the episode, emphasizing incremental transformation and invites further questions and participation in his VIP community.

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