Gil Carvalho on Vitamin B12
4 episodes · 5 references · 2025–2026
- Carvalho takes 2,000 mcg B12 once weekly, preferring methylcobalamin over cyanocobalamin due to family kidney history - Cites B12's role in nervous system function and potential Alzheimer's prevention based on emerging evidence - No best-practice or dosing timing guidance discussed; no recommendation-against or stopped-taking references
Consumption
- Takes 2,000 micrograms of B12 once per week - Prefers methylcobalamin form over cyanocobalamin - States once-weekly dosing has been shown to be perfectly effective for meeting B12 needs
Benefits
- B12 deficiency causes nervous system dysfunction and other specific symptoms - Included in nutrient research for potential role in Alzheimer's prevention - Chosen alongside other nutrients based on evidence linking them to cognitive health
Cautions
- Some evidence suggests cyanocobalamin may cause kidney issues, though Carvalho considers the evidence weak - Chooses methylcobalamin specifically due to personal family history of kidney conditions - Notes healthy individuals likely unaffected, but errs on the side of caution
“I have a B12 that I take once a week, 2,000 micrograms.”
Doctor: What I eat in a day (FULL REVEAL) | Healthy meals + supplements
“Next thing I take is a B12. And this I just take once a week... it's been shown many times that it's perfectly effective and you get all you need.”
Doctor Reveals his complete Supplement Stack
“Vitamin B12, very specific symptoms. Nerve system dysfunction and others.”
Fiber is NOT an essential nutrient, WHY are we eating it?
“There was a separate B12 as well. All of these were chosen because there was some evidence that these nutrients may play a role in Alzheimer's.”
Can a Vegan diet cure Alzheimer's? | New Ornish trial
