Vitamin D is a secosterol with a major role in maintaining calcium and phosphorus homeostasis. Vitamin D affects calcium homeostasis by its action on the kidney, intestine and bone1. Vitamin D also has direct and indirect effects on growth plates, bone and bone cells1. The extra-skeletal role...
Natural forms of vitamin E have a “d-” before their names, while human-made vitamin E carries a “dl-” prefix. The substancedl-alpha-tocopherol, for example, is a synthetic version of naturally occurringd-alpha-tocopherol. Vitamin E benefits The Vitamin E in your diet helps your body ...