All products are for laboratory research purposes only. Not for human consumption.
Reference
Are Peptides Legal in the US?
The question has the same two halves in the United States as it does anywhere else, and most pages answering it only give one. Whether a compound may be bought and held as a laboratory reagent is a separate question from whether it may be supplied to a person to take, and the answers routinely differ. What follows describes the framework as we understand it. It is not legal advice.
The short version
- Most research peptides are not controlled substances. The Controlled Substances Act covers a defined list, and the peptides in this catalogue are generally not on it.
- FDA approval is about products, not molecules. Several peptides are approved as licensed medicines under brand names. That approval attaches to those products, not to research-grade material of the same compound.
- Research use only is a real designation, not a disclaimer. It describes what the material is sold as, and it is what keeps the supply lawful.
- Supplying for human use is the line. Nothing in this catalogue may be supplied for human use in the US or anywhere else, regardless of how it is labelled.
Reference
How US law classifies these compounds
A plain description of the regulatory framework. This is not legal advice, and it is not a statement that any particular purchase or use is lawful in your circumstances.
Two questions, two answers
Are peptides legal collapses two separate questions. The first is whether a compound may be bought and held for laboratory research. For most peptides the answer is yes, because they are not scheduled under the Controlled Substances Act and no federal rule prohibits possessing a research reagent. The second is whether that compound may be supplied to a person to take. There the answer is no for everything we sell, because supplying an unapproved compound for human use makes it an unapproved new drug in regulatory terms, whatever the label says.
What FDA approval actually attaches to
Approval is granted to a specific product made by a specific manufacturer to a specific standard for a specific indication. Semaglutide, tirzepatide and tesamorelin are all approved as medicines in the United States under brand names. That approval covers those licensed products. It does not extend to research-grade material of the same compound from any other source, which has not been through that process and is not the approved product. A compound being approved somewhere is not the same as the vial in front of you being approved, and the distinction matters more here than almost anywhere else on this site.
What peptides are FDA approved
Several, as medicines. Semaglutide and tirzepatide are approved for metabolic indications, tesamorelin for a specific indication concerning visceral fat, and a number of older peptide drugs have been approved for decades. None of that makes a research peptide approved. Research chemicals are supplied under a research-use-only designation precisely because they sit outside that framework, and the designation is a description of what the material is, not a way around anything.
Compounding, and why some peptides were restricted
In 2023 the FDA placed a number of peptides, BPC-157 among them, into Category 2 of its list of bulk drug substances considered for use in compounding, a category for substances with significant safety concerns. The practical effect concerns compounding pharmacies rather than laboratory supply, but it is a useful marker of the regulator position on several compounds that are widely discussed online as though they were established treatments. They are not.
State law varies
Federal law is not the whole picture. Individual states regulate the practice of medicine, pharmacy and the sale of certain substances in their own right, and some have acted on specific compounds where federal rules are silent. We cannot advise on any particular state, and a supplier telling you that something is legal everywhere in the US is telling you something they cannot know.
Common questions
Are peptides illegal in the US?
Not inherently. Most are not controlled substances, so buying and holding one as laboratory material is not in itself an offence under federal law. Supplying one for human use is a different act entirely, and that is where the prohibition sits.
Are peptides FDA approved?
Some peptides exist as FDA-approved medicines under brand names. Research-grade peptides are not approved, have not been evaluated for human use, and are not supplied as medicines. The approval belongs to a licensed product, not to the molecule in general.
Is it legal to buy research peptides in the US?
Buying a non-controlled compound as a laboratory reagent is generally lawful at the federal level, but that is a narrower statement than it first appears. Importing is a separate question from possessing: the FDA can refuse entry to unapproved drug material at the border whatever the labelling says, and no supplier can promise you that a shipment will clear. Lawful to buy is also not the same as lawful to take, to resell for human use, or to hold out as a treatment, and we do not supply it for any of those purposes.
Do you ship research peptides to the United States?
Yes, tracked, from the UK. Import is the buyer responsibility and we cannot advise on customs treatment in any particular case. Our shipping page sets out what we do and do not undertake.
Does a Certificate of Analysis make something legal?
No. A COA reports what is in the vial and to what purity. It says nothing about regulatory status, and no supplier should present one as though it does. It is a quality document, not a licence.