I have tried lifting with and without supplements and have seen minimal to no difference with or without them. Do we really need bodybuilding supplements to build muscles? What about Protein ? Do we really need to take 1 gram of it per pound of body weight?
I have a vague knowledge of chemistry, but it's not too advanced so I can't tell if a lot of these chemicals, and mixture of chemicals, is harmful, especially to someone under 18. My brother wants to take one of the following supplements, and I don't know if I should advise against it or...