Illegal and falsified medicines self-administrated in not approved post-cycle therapy after the cessation of anabolic-androgenic steroids – qualitative analysis

We have shown that illicit drugs used in PCT may be substituted, adulterated, or contain no active ingredients. Our results indicate that in view of the high prevalence of illicit AAS use, the self-administration of unapproved PCT using illegal and falsified medicines is dangerous and can be considered a potential threat to consumer health.