I just bought a bottle of b12 after reading all the posts about it. I told my doctor I was taking it and that it was 1000mcg/ml. He said it was useless because your body only uses 2mcg a day and 4mg in your life time. Has anybody else heard of this?
I just bought a bottle of b12 after reading all the posts about it. I told my doctor I was taking it and that it was 1000mcg/ml. He said it was useless because your body only uses 2mcg a day and 4mg in your life time. Has anybody else heard of this?
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