The critical difference is how many receptors each drug activates
The following are examples of substances that are banned for sport, but used for medical purposes or commonly found as ingredients in sports and nutrition supplement products: One of the more commonly known classes of banned substances, anabolic agents are medically used to treat hormonal issues and diseases that cause loss of muscle[i]
But certain situations high training volume, some medical conditions, or diets very low in animal protein can leave levels less than ideal, which is part of why supplementation became popular
Besides, our study was neither randomized nor blinded, leading to potential bias, whose influence should be mitigated by matching for relevant confounders
I think that it should be done, honestly, because it's a low hanging fruit
Also, individuals who are chasing glutathione due to internalized pressure (such as wanting to fit a certain beauty ideal) should perhaps pause