Proof The Bible Is True

By Dr. Mercola

By Dr. Mercola

Vitamin A is an important vitamin for healthy vision, immune system function, and cell growth. It works synergistically with a number of other vitamins and minerals, including vitamins D, K2, zinc, and magnesium, without which it cannot perform its functions.

“Vitamin A” actually refers to several different but related nutrients that can be divided up into two main categories:^1,2

• Retinoids (aka retinol), the bioavailable forms of vitamin A found in animal foods
• Carotenoids, previtamin A found in plant foods

The only type of vitamin A your body can readily use is retinol, …read more

Read more here: mercola