India, Feb. 16 -- Vitamin B12 is one of the discussed nutrients, with links to improved energy levels, brain health, mood, and even weight management. Despite its importance, confusion about this essential vitamin persists. From the assumption that only vegetarians are at risk of deficiency to claims that supplements instantly boost stamina or that all vitamin B12 supplements work the same way. Understanding what is true and what is exaggerated is critical, as untreated B12 deficiency can have a subtle impact on nerve function, red blood cell production, and overall health.

Dr Tushar Tayal, associate director at the Department of Internal Medicine at CK Birla Hospital, tells HealthShots, "A lack of understanding about vitamin B12 deficie...