But the agency is unable to test all over-the-counter supplements. Supplements marked "all natural" and promoted for sexual
male enhancement results may contain potentially dangerous hidden drug ingredients, according to the FDA. Sildenafil "may interact with nitrates found in some prescription drugs such as nitroglycerin and may lower blood pressure to dangerous levels," according to the FDA. These events led to surgical intervention and hospitalization due to extremely low blood pressure. When used for a legitimate medical reason, for example to treat a heart condition, high blood pressure anxiety, and under the guidance of a trained professional, beta blockers have a good safety record. Many sports will not allow the presence of Beta Blockers at any level, despite an athlete’s claims that it may have been used for a legitimate medical reason. On a meso level, IndieWeb’s building block approach is an articulation of the same separations of concerns concept. Nonetheless, it is apparent that IndieWeb’s organizers are attentive to this problem. There are more than 20 types of beta blockers available. Before there were only a dozen or so manufacturers who knew about this technology, but now there are a lot more. There are more than 20 diuretics banned by the IOC and WADA.
