I don't know if you mean steroids specifically or also testosterone, but exogenous testosterone actually does raise muscle mass. So it's fundamentally differen

I don't know if you mean steroids specifically or also testosterone, but exogenous testosterone actually does raise muscle mass. So it's fundamentally different from the creatine mechanism above. For example: https://pmc.ncbi.nlm.nih.gov/articles/PMC5989848/ https://pmc.ncbi.nlm.nih.gov/articles/PMC5989848/ Here's one on steroids with a no exercise group, they saw gains: https://pubmed.ncbi.nlm.nih.gov/8637535/ https://pubmed.ncbi.nlm.nih.gov/8637535/