I'm a non-competitive cyclist that wants to try a few Cat-5 USAC races for fun; unfortunately, at 40+ years of age, I'm taking more than one natural OTC supplement to self-medicate.
Is there an easy way to tell which supplements are okay and which aren't?
I looked at the WADA List, but that list looks a bit intimidating to me. I also took the effort to email USAC  and USADA directly and they said in their own words that the supplements I take are probably okay; however, some such supplements often contain extra bonus substances that might cause a positive on an anti-doping test.
 - Actually, USAC just told me to contact USADA. USADA was the organization that actually "answered" my question.