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This means your refrigerator, not your freezer, not your counter, not a cool dark cabinet

Also known as cobalamin, vitamin B12 plays a crucial role in our bodily processes, including skin, hair, and nail health

Other factors associated with technological and societal change must account for the remaining decline in sensitivity, and this is a very active area of investigation

(1982) examined the contents of three multivitamin preparations and, after incubating them in water at 37C (body temperature) for 2 hours, found that 20% to 90% of the B12 had degraded to inactive analogs

Melatonin is derived from serotonin, a neurotransmitter that originates from the amino acid tryptophan