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Its an essential, water-soluble nutrient we must get from food

Older adults, in particular, may benefit since deficiency can contribute to cognitive decline and dementia risk

This guide reframes the safety question around what actually matters: purity verification, evidence bases, and vendor evaluation

Keep away from direct sunlight

This ensures faster absorption, especially in people with vitamin B12 deficiency

This usually occurs in individuals with underlying digestive conditions, those who have trouble absorbing all nutrients through digestion, or those with pernicious anemia, which specifically prevents B12 absorption