Every peptide, protein and antibody LifeTein supplies is made for laboratory research. This page states plainly what that means, how we handle sequence requests, and which orders we decline. We publish it because researchers, purchasing departments and institutional compliance offices all have a right to know a supplier's position before they order.
Research-use material is made to be accurate, well characterized and fit for experiments. It is not manufactured under the pharmaceutical quality system that applies to medicines. There is no sterility, endotoxin or pyrogen testing unless you specifically order it, no clinical-grade documentation, and no regulatory filing behind it.
That distinction matters in practice. A peptide that is 98 % pure by HPLC and confirmed by mass spectrometry is excellent material for a binding assay, a cell experiment or an antibody program. It is not a drug substance, and it must not be administered to humans.
We accept orders from research organizations and from individuals ordering on behalf of one: academic and institutional laboratories, hospital and government research groups, and biotechnology, pharmaceutical, diagnostic, agricultural and industrial companies. Orders are shipped to an institutional or business address.
We do not supply individuals ordering peptides for personal use, and we do not sell peptides for self-administration, athletic performance, cosmetic use or any other human application.
We review the sequences we are asked to make. Most custom requests are routine and move straight to synthesis. A small number need a closer look, and we may ask what the peptide is for before we quote. We decline a request when:
Declining an order is uncommon, and we aim to tell customers quickly so they can look for an alternative route. Where a request is refused on compliance grounds we will say so rather than let a project stall quietly.
Some sequences we are asked to make are also known as therapeutic agents, performance-enhancing compounds or ingredients sold directly to consumers. Researchers have entirely legitimate reasons to study these molecules: receptor pharmacology, analytical method development, impurity profiling, stability studies, reference standards for mass spectrometry and anti-doping work.
We supply such sequences only as research reagents, only to research organizations, and only with research-use documentation. We do not provide dosing information, administration guidance or any material intended for human use, and our website does not carry that kind of content. Our GLP-1 impurity reference library is an example of how we approach this area: it serves analytical chemists characterizing products, not consumers.
By ordering, you confirm that you are purchasing on behalf of a research organization, that the material will be used for laboratory research only, and that it will be handled by trained personnel under the safety rules and ethical approvals that apply at your institution. Risk assessment for your own work remains with you and your institution.
If you are unsure whether a project fits this policy, ask us before ordering. Email sales@lifetein.com with a short description of the work and we will tell you plainly whether we can help.