Peptide vials and API containers on a clean pharmaceutical lab bench

Supplying APIs

Peptides, Co-Enzymes, APIs and More.

Active Pharmaceutical Ingredients (API) sourced from FDA Registered Facilities for 503A and 503B compounding pharmacies and drug manufacturers.

Sourcing support

Trusted supply for regulated buyers.

RefDrug emphasizes COAs, lot-specific documentation, and sourcing from FDA approved facilities for pharmacy and manufacturing programs that need dependable ingredient support.

Serving 503A Compounding Pharmacies 503B Outsourcing Facilities Drug Manufacturers

Documentation COAs and supporting lot paperwork

Sourcing FDA-registered facility sourcing

Peptides

Peptide supply for compounding programs and regulated buyers.

Semaglutide Tirzepatide Sermorelin BPC-157 and more

Co-Enzymes

Bulk powder and injectable grades for compounding and IV therapy formulations.

NAD+ Glutathione Methylcobalamin L-Carnitine and more

Active Pharmaceutical Ingredients

Small-molecule APIs for compounding applications sourced from qualified manufacturers.

Naltrexone Enclomiphene & more