Primary hypogonadism (congenital or acquired): Testicular failure due to diseases and conditions in the body such as cryptorchidism, bilateral torsion, orchitis, vanishing testis syndrome, orchiectomy, Klinefelter Syndrome, chemotherapy, or toxic damage from alcohol or heavy metals; these men usually have low serum testosterone levels and gonadotropins (FSH, LH) above normal range Hypogonadotropic hypogonadism (congenital or acquired): Gonadotropin or luteinizing hormone-releasing hormone (LHRH) deficiency or pituitary-hypothalamic injury from tumors, trauma, or radiation; these men have low testosterone serum concentrations but have gonadotropins in the normal or low range.
For those of you unfamiliar with Tongkat Ali, here is a link to one of the many published independent blind studies regarding Tongkat Ali: http:///content/10/1/28 . In this study, Tongkat Ali recipients averaged a 37% increase in testosterone, versus no change for the placebo group. Want to read independent Tongkat Ali Reviews? Consumers at WebMD have rated it out of 5. Read the reviews here: http:///vitamins-supplements/ingredientreview-1132-eurycoma+?drugid=1132&drugname=eurycoma+longifolia . Links to other research spots can be found here .