Vitamin B12, also known as cobalamin, is important for many bodily functions, including:
Brain and nervous system: Helps keep the brain and nervous system healthy, and is important for cognitive functioning
Red blood cells: Helps form red blood cells, white blood cells, and platelets
DNA: Helps create and regulate DNA
Skin health: Helps produce collagen and maintain the skin's moisture balance, which can help reduce wrinkles
Homocysteine: Helps lower levels of homocysteine, an amino acid linked to dementia, heart disease, stroke, and osteoporosis