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Take one bottle every day, either before or after meals
Because they are sold as "supplements" rather than drugs, they do not require FDA premarket approval
The guidance from manufacturers, clinical pharmacologists, and experienced prescribers all converge on the same recommendation
Sugiyama T, Sadzuka Y, Nagasawa K, Ohnishi N, Yokoyama T, Sonobe T
Yes, B12 shots are considered safe for most individuals
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