Sunshine, Vitamin D, and Supplements

Mark Sisson explains why it's important to get high doses of vitamin D from either sun exposure or supplements. .

From the presence of vitamin D receptors in our cells and vitamin D factories in our epidermis, along with the central role vitamin D plays in calcium metabolism, immunity, and gene expression, it’s pretty clear that having adequate vitamin D is an essential component of being a healthy, successful homo sapien. And yet, many health practitioners suggest that vitamin D deficiency is one of the biggest nutrient deficiencies in modern society. The question, then, arises: What’s the best way to get enough vitamin D – via oral supplementation or sunlight?

To determine that, let’s examine a few common questions surrounding the various modes of intake.

Is it natural? Read more

Vitamin D Supplements Dangerous - Sunshine UV Good

Vitamin D is protective against heart disease and cancer, but supplements may not be the answer to raising levels of the vitamin. In fact, they may possibly be dangerous, according to new research. Apparently, the best way to get your vitamin D is the natural way - sunshine.

Low blood levels of vitamin D have long been associated with disease, and the assumption has been that vitamin D supplements may protect against disease. However, this new research demonstrates that ingested vitamin D is immunosuppressive and that low blood levels of vitamin D may be actually a result of the disease process. Supplementation may make the disease worse. Read more