Your body needs vitamin B12, often known as cobalamin, but cannot create it. Natural in animal products, added to foods, and available as an oral supplement or injectable. B12 plays several roles in the body. It helps neuron cells, red blood cells, and DNA production.
Maintaining vitamin B12 levels may help bones Low mineral density bones might become weak and prone to osteoporosis. Research from 2021 also linked low vitamin B12 levels to poor bone health and osteoporosis or fracture risk.
Vitamin B12 deficiency can impair memory in older people. Vitamin B12 may slow cognitive decline in early-stage dementia individuals with increased omega-3 fatty acid levels. Lower omega-3 fatty acid levels did not improve mental health.