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Plasma concentrations decline significantly with age from ~200 ng/mL at age 20 to ~80 ng/mL by age 60 making it a compelling target for age-related tissue maintenance and periodontal health

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Twenty-six nonvegetarians had a similar median milk value, and 69% used a supplement, but fewer were taking single ingredient B 12 supplements

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From a dermatological point of view, these molecules became invaluable to prevent and treat chronic skin conditions such as melasma a dark skin discoloration and autoimmune dermatological disorders such as alopecia areata progressive hair loss