Best peptide therapy providers

Peptides do not behave like one category. Some compounds are dispensed by a licensed pharmacy on a physician's prescription. Others are sold as “research chemicals,” the label doing the work of a disclaimer nobody actually reads. The list below ranks providers by Vial Score, our independent score of how much of each provider's public federal record (FDA, OIG, DEA, NPI) checks out, and surfaces named pharmacy partnerships because they help show who may be preparing or fulfilling the product.

A provider that names its pharmacy partner (and lets you check that pharmacy's own record) hasn't necessarily settled whether the compound itself works. But it is the one that seems to have less to hide, which is a different question than whether the treatment does. Every “best for” badge below traces back to one specific field in the record, never a hunch, and it disappears the moment the data underneath it changes. Start with whichever one matches your situation: a single compound, an ongoing protocol, a pharmacy you have already heard of...