Regarding body hair, many of the symptoms of low T – loss of libido, inability to focus and others are pretty non-specific — some with some of your symptoms – achne, watery semen. Those can have lots of causes and it’s hard to tell if they come from use of T or not. However, changes in hair growth is good evidence about what is going on with testosterone. Women who have elevated testosterone levels will begin to grow facial hair. Men that have reduced testosterone will generally find facial hair growing more slowly and have to shave less often.
According to the US Food and Drug Administration , "Piracetam is not a vitamin, mineral, amino acid, herb or other botanical, or dietary substance for use by man to supplement the diet by increasing the total dietary intake. Further, piracetam is not a concentrate, metabolite, constituent, extract or combination of any such dietary ingredient. [...] Accordingly, these products are drugs, under section 201(g)(1)(C) of the Act, 21 . § 321(g)(1)(C), because they are not foods and they are intended to affect the structure or any function of the body. Moreover, these products are new drugs as defined by section 201(p) of the Act, 21 . § 321(p), because they are not generally recognized as safe and effective for use under the conditions prescribed, recommended, or suggested in their labeling." 
It has become clear that steroid use among professional athletes is a vast problem. Is steroid use increasing in youth sports? One federally funded study by the National Institute on Drug Abuse found that per cent of eighth graders, per cent of tenth graders and per cent of twelfth graders reported having used steroids at some point. A survey by the Center for Disease Control and Prevention in 2003 reported that per cent of high school students had taken steroids illegally at least once.
Human growth hormone. Stanozolol. Nandrolone. All are prohibited from most sports and unlawful for Americans to use without a doctor's prescription. THG,