Vitamin D, or cholecalciferol, is a steroid hormone whose primary function is the regulation of calcium homeostasis, bone formation and resorption. Although it is produced naturally by our body through sun exposure, vitamin D deficiency is increasingly common, due to the longer time indoors, use of sunscreen, etc., in this way, supplementation can be A good alternative to maintaining adequate levels of Vitamin D3.
Vitamin D and its prohormones have been the subject of a growing number of research in recent years, demonstrating their role beyond calcium and bone formation metabolism, including their interaction with the immune system, which is not surprising. In view of the expression of the vitamin D receptor in a wide variety of body tissues such as brain, heart, skin, gut, gonads, prostate, breasts and immune cells, as well as bones, kidneys and parathyroid.
Current studies have linked vitamin D deficiency with various autoimmune diseases, including insulin-dependent diabetes mellitus (IDDM), multiple sclerosis (MS), inflammatory bowel disease (IBD), systemic lupus erythematosus (SLE) and rheumatoid arthritis (RA).WARNINGS