side effects of b12 and b6 injections B1, & - Vitamins for a Healthy Nervous System Vitamin B12: Symptoms, Dosage &
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January 2023 28
The European recommended daily intake also varies by age, beginning at 1.5 g for infants and increasing to 4 g for adults, with slightly higher requirements during pregnancy and lactation (4.5 g and 5 g, respectively
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Journal of the American Geriatrics Society
