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.
Low Vitamin D Levels. Vitamin D helps the body absorb calcium, which is essential for good bone health. Vitamin D also helps the immune, muscle, and nervous systems function properly. Most vitamin D is made when an inactive form of the nutrient is activated in your skin when it's exposed to sunlight.