Research-grade, quietly reliable.

Pure1st Peptides supplies lyophilized research peptides to licensed laboratories, clinicians, and universities. Every batch is verified by third-party HPLC and shipped under cold chain.

We exist to make quality reagents predictable — same purity, same paperwork, same handling, every time. All products are for research use only. Not for human consumption.

Founded by researchers, staffed by chemists. Get in touch if you need a spec sheet, a bulk quote, or a custom lot.