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They might start with 1,000 mcg daily for a week
Any use outside an authorized laboratory environment is strictly prohibited
Gramer G, Hoffmann GF (2020) Vitamin B12 deficiency in newborns and their mothersnovel approaches to early detection, treatment and prevention of a global health issue
Although we know that B12 plays an important role in many body functions, and in theory, hair growth, scientific studies are limited
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