How much B12 per day for a man?
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4 min read
According to the National Institutes of Health (NIH), the Recommended Dietary Allowance (RDA) for adult men is 2.4 micrograms (mcg) of vitamin B12 per day. However, this amount can be influenced by age, diet, and absorption issues, making it crucial to understand individual needs for how much B12 per day for a man is appropriate.
