What decreases vitamin d?

The roof: Most of the vitamin d in the body is produced by exposure to the sunshine. But, nowadays we live, work and drive under a roof so our body is not exposed to the sunlight. Check this video i made about vitamin d. http://otwithmd.com/vitamin-d/.

Vitamin D: Low vitamin d it is below about 20. Research shows that raising your vitamin d level can boost immunity, elevate mood, and more. The darker your skin, the lower vitamin d can be because we make it through the sun on our skin. About 60% of whites in us are low, about 75% latino low, and maybe 85-90% african americans low. Experts say between 50-80 is optimal. 20s or 30s is minimal.

Vitamin D injection: Vitamin D can be given by injection but needs to be done with great care as overdose and toxicity are possible. The vast majority of times, Vitamin D deficiency may be treated with large doses given orally on a weekly or twice weekly basis over several months.