Vitamin B12 or cobalamin is essential because it supports the nervous system, produces red blood cells and helps make DNA. Because this vitamin is so important, people sometimes choose to supplement it. Could they risk an overdose? Vitamin B12 is ...

Vitamin B6 is essential for your cardiovascular health, metabolism, and it’s an efficient nutrient that can boost your immune system. However, as good as vitamin B6 is for you, there’s a catch. This vitamin is water-soluble, meaning that it is ...