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PLOS One, 5 (5), e10883

However, if your diet lacks vitamin B12 or you cannot absorb enough vitamin B12 from food, you may need to take it for the rest of your life

Enebo LB, Berthelsen KK, Kankam M, et al

They boost natural production rather than replacing it, maintaining feedback mechanisms and potentially carrying lower risk profiles

HUBERMAN: Yes, we've talked about supplements and yes, we've talked about different hormone therapies and yes, we've talked about any number of different things, but it's pretty unusual to have so much animal literature

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