Clinical-grade peptides, made to order in the US.
Rails Bio is a US peptide wholesaler supplying clinical-grade peptides directly to telehealth and wellness businesses, laboratories, and research facilities.
We provide access to vetted cGMP facilities with ISO 5 and ISO 7 clean rooms, end-to-end lyophilization, sterile fill-finish and automated vial filling, all verified by HPLC, mass spectrometry and endotoxin screening.
Products
Featured Compounds
Custom doses, custom blends, and private-label peptides available on request. 100-vial minimum per SKU. Pricing provided following quote submission and account approval.
Research use only. Not for human or animal consumption. Not a compounding pharmacy. Not 503A/503B.
Need something not listed? Add it under “Additional product requests” with your details.
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Where should we send pricing?
US wholesale accounts. We reply on the work email you enter — nothing is priced on this page.