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1 2 3 "B Vitamins in the nervous system: Current knowledge of the biochemical modes of action and synergies of thiamine, pyridoxine, and cobalamin"
Too much alcohol can also prevent you from getting enough calories
Observations on transfer of vitamin B12 from mother to fetus and newborn
Injectable B12 products also come with real safety information
That matters because, unlike most peptides, a small molecule can be studied orally as well as by injection it has no peptide bonds for digestive enzymes to cleave
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