don't be put off by the homepage. This is primarily intended for women's hormonal balancing issues. Speaking as a man with clinically low progesterone, you might be surprised by the results of a thorough hormonal assay. Many transformations sneak up on us around midlife. Over the counter hormal products may be the wrongest thing if you don't have a sound basis for taking what is marketed as a "performance enhancer". If you need a reasonably priced source for hormone testing take a look at the Life Extension Foundation (lef.org). They provide extensive blood work at about one third the retail rate. They also have hepatitis a,b,and c combined in one test, and they have a syphilis test. the don't offer HIV testing however.