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It uses a methyl group donated by S-adenosylmethionine (SAM) to methylate nicotinamide a vitamin B3 form that would otherwise be recycled back into NAD+
Common maintenance schedules involve one injection every month or even every two to three months
Published December 9, 2021
Those figures help explain why some informal protocols split timing, but they cannot set a safe or effective schedule for people
Conversely, if you are a vegetarian or vegan, you might need to rely more on B12 shots or supplements to maintain adequate B12 levels
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