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Conservative avoidance deserves serious consideration in this group
Because no statistical significance was identified in this small trial, the authors incorrectly concluded that oral vitamin B12 500 g/day supplementation is as effective and safe as oral vitamin B12 1500 g/day supplementation in these patients
Nutrition experts have not established a tolerable upper intake level for vitamin B12 (the maximum safe amount per day)
For example, if you're using 2 mL of water, draw 2 mL of air into the syringe
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