A new study published by a group of Harvard scientists in the Journal of Clinical Endocrinology reveals an astounding breakthrough: That boosting testosterone in men may be as simple as having the men take vitamin D supplements with regularity.

In an era and in a society where television and radio are both bombarded non-stop with advertisments touting this testosterone-boosting supplement or that testosterone-boosting medication --- almost all of which are quite expensive, with some even necessitating a visit to a physician's office, a safe, natural solution to the problem of low testosterone may be as simple as getting out in the sun more and/'or taking inexpensive, over-the-counter vitamin d3 supplements regularly.

Vitamin D3 is advisible over D2, the other form often marketed as a human health supplement as it is more readily absorbed by the body. D3 is the natural form of the vitamin/hormone. It is obtained from sunlight, absorbed and synthesized for use by tiny vitamin D receptors embedded just under the skin in humans. Esposure to sunlight is nature's primary source of vitamin D.

Vitamin D2, on the other hand, is a synthetic compound manufactured by humans and made from plant-based material. It is not absorbed as well as is D3, so men wishing to increase testosterone are encouraged to seek a supplement containing D3 (also known as cholecalciferol), as opposed to one containing D2 (also known as ergocalciferol).

So vitamin D3 supplements can boost testosterone. They're cheap, safe and very effective at now only raising those ever-important male sex hormone levels, but also in boosting the immune systems of both men and women alike. There are nearly 50 different diseases and conditions that have been scientifically linked to vitamin D deficiency, and low testosterone is but the latest of these.

Rather than pay hundreds of dollars for expensive medications or unproved supplements, men are now being encouraged to purchase a high-quality D3 supplement and take it daily at a dose consistent with a doctor's recommendation.