Vitamin B12 Test: Everything You Need to Know Introduction to Vitamin B12 What is Vitamin B12? Vitamin B12, also known as cobalamin, is a crucial water-soluble vitamin that plays a vital role in the formation of red blood cells, neurological function, and DNA synthesis. Unlike other vitamins, B12 is not produced by the body and must be obtained through diet or supplements. Impor... https://www.docopd.com/en-in/lab/health-tests/delhi/vitamin-b12-cyanocobalamin