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Vitamins fall into two groups: fat-soluble and water-soluble, and this distinction is central to B12's safety profile
Discover the potential side effects of B12 supplements
Degraded peptide is a frequent hidden cause of an apparent stall, so storage is a safety and an efficacy variable
Importantly, functional B12 deficiency can sometimes coexist with high total B12 levels, especially in kidney disease, and may require additional testing with methylmalonic acid (MMA) or holotranscobalamin if deficiency is suspected clinically
I had to beg my Dr to give me two monthly shots which were still not enough so I had to get B12 from abroad and self inject
