Yamamoto Nutrition TestoROL is a food supplement indicated for the well-being of male adults, with D-aspartic acid, plant extracts and minerals. Ashwagandha has a favorable tonic action in case of physical and mental fatigue, such as ginseng which also has tonic activity on the body. Magnesium contributes to the reduction of tiredness and fatigue. Finally, zinc contributes to normal fertility and normal reproduction as well as maintaining normal testosterone levels in the blood. This combination of ingredients makes TestoROL very popular among men, especially among men who practice hard training! The list of supplements marketed as test boosters, i.e. with the power of stimulating this hormone, is extremely impressive and it is actually a critical factor for companies producing supplements as the financial stakes are very high. Testo-boosters are continuously being unveiled, described as aggressive and fascinating, terms that serve to remind us of well-known doping drugs, with catchy claims, formulas with root extract mixtures sometimes well-known (more often less..) and all accompanied by amazing reviews. These are often mere smoke screens for athletes, victims of false misleading marketing and with many companies providing scarce real information. The market for these products and its turnover is clear, they are always in vogue. But do they really work? Do they all work? Are we sure about what we are buying? Are they really backed up by science? My long experience in the field tells me, however, that sooner or later science appears on the scene with its answers and tests in the field, taking for example the illusory theories of many of these products, which have often been in the eye of the storm of the law, due to their suspicious and / or illicit contaminating elements. A striking example is the issue of Tribulus Terrestris, which, for years, has been included in all these types of supplements as the most effective testosterone supplement ever with guaranteed and amazing effects. Everyone was fascinated by this herb with potentially stimulating qualities and, up to a certain point, the scientific confusion left room for a certain amount of doubt and… mysticism, thus providing a curious alternative to all males eager to be become an ever greater alpha male both inside and outside the gym…But what is the real story? Given that we are dealing with a very sensitive field, where