How much Vitamin D is enough?

How Much Vitamin D Is Enough?

Vitamin D increases absorption of calcium from the intestinal tract. It also stimulates osteoblasts that remodel bone, making good, healthy bone. And recent research suggests that vitamin D plays a regulatory role in controlling panels of genes that affect our immune systems, writes physician Bryan Arling, U.S. News health advice expert in general internal medicine.

Higher vitamin D levels are associated with a lower risk of adult onset type 2 diabetes and autoimmune inflammatory responses against the thyroid gland, resulting in an underactive thyroid. Vitamin D may play some role in preventing infection.

and in warding off cancer.

One should consider 4,000 units of vitamin D3 to be the optimal daily intake, according to a speaker at a Harvard/Johns Hopkins Primary Care Medicine symposium in December; he mentioned that he has almost never seen anyone taking less than 10,000 units a day develop vitamin D toxicity. Read more.

--
>>Carl<<