Print. Choline is a vitamin-like nutrient, and in health-food stores and on the Internet many claims are made for its potential benefits. The National Academy of Sciences designated choline as âessentialâ and suggested specific daily intakes in 1998.
You see, one of the forms of vitamin D, i.e. vitamin D2 is broken down by the body into different substances. Some of these substances can be very harmful for the body. Vitamin D3 is broken down by the body into a substance called calcitrol, which actually has very important cancer fighting properties.
The best-known role of vitamin D is to: a. act as an antioxidant. help maintain blood calcium and phosphorus levels. Vitamin D is the best-known member of a large cast of nutrients and hormones that interact to regulate blood calcium and phosphorus levels, and thereby maintain bone integrity.