Gil Carvalho on Vitamin B12
7 episodes · 13 references · 2020–2026
Based on dated public statements, not confirmation of use today.
Gil Carvalho has reported taking Vitamin B12. Referenced across 7 episodes with 13 total references.
View full Vitamin B12 page with research, safety, and pricing →“I have a B12 that I take once a week, 2,000 micrograms.”
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“As a disclosure, the supplements I take, I take a B twelve once a week, two thousand micrograms.”
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“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.”
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“Also, in animal products, B12 is bound to protein, and the acid environment in your stomach breaks them apart, so you can absorb the B12. Whereas the B12 in fortified foods and supplements is in free form, not bound to protein, so the stomach acidity is not a factor for those sources. What happens with age is stomach acidity starts to come down, so it's not uncommon for people above 50 or 60 to start having some difficulty getting enough B12 from animal foods and start turning to the other two sources: fortified foods and supplements.”
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“Vitamin B12, very specific symptoms. Nerve system dysfunction and others.”
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“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.”
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“First and foremost, B12. If you're vegan, if your kids vegan, for the love of God, take a B12 supplement. Two thousand micrograms once a week covers adult needs, and more than covers it for children. Or if you prefer to do it daily, five micrograms for toddlers, twenty-five for older kids, and for teens, it's the same as adults: fifty a day or two thousand micrograms once a week. You set a little reminder on your phone. The whole family takes it on the same day. Boom, done.”
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“Also, most supplements contain a form of B12 called cyanocobalamin, which works fine, but it's a little bit hard on the kidneys. So if you have kidney issues, it might be better to get a form called methylcobalamin instead. It's written on the vial in the back and the components which molecule it contains, so you can double check.”
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“For example, in the Polish study, vegetarians also had lower vitamin D and B twelve than omnivores. Now, this is kind of interesting. In our minds, B twelve is a vegan thing, and we tend to think vegetarians are covered because they eat some animal products. But ironically, dairy and eggs are very poor B twelve sources. So it's a good idea to take a B twelve supplement, or when in doubt, measuring B twelve levels is pretty straightforward, or the MMA test, even more sensitive.”
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“And then there's B12 shots. People with special conditions like pernicious anemia may need them, but for most people, the oral route is fine.”
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“People who want to eat some animal products and don't want to take pills can get their B twelve that way. People who want to avoid animal products and prefer to do something daily can do the small dose supplements or the fortified foods, and the lazy bums like me can do the weekly supplement.”
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“There's some evidence suggesting kidney issues with cyanocobalamin. I don't think it's very strong evidence and for healthy individuals, I doubt it matters. But because I have a family history of kidney conditions... I try to buy methylcobalamin.”
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