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Some medications can also affect absorption of Vitamin B12 in the gut, and B12 deficiency can be an issue if you have had weight loss surgery
If you're pregnant, are planning a pregnancy, or are breastfeeding
An excess of neurotransmitters can be just as undesirable as a deficiency
It does not alter estrogen or progesterone
You start at 2.5 mg and gradually increase to 5 mg , then 7.5 mg , 10 mg , 12.5 mg , or 15 mg
Every batch supplied by Vital Research Labs is analysed by an independent third-party laboratory, with purity confirmed by analytical testing
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