Where Does Vitamin D3 Come From?
Definition Vitamins are a group of substances essential for normal cell function, growth and development. There are 13 essential vitamins. That means they are needed for the body to function. They are: • Vitamin A • Vitamin C • Vitamin D • Vitamin E • Vitamin K • Vitamin B1 (thiamine) • Vitamin B2 (riboflavin) • Vitamin B3 (niacin) • Pantothenic acid • Biotin • Vitamin B6 • Vitamin B12 • Folate (folic acid) Vitamins are grouped into two categories: • Fat-soluble vitamins are stored in the body’s fatty tissue. • Water-soluble vitamins must be…
