Welcome to Onyx Peptide Research
We offer a wide range of top-quality peptides for research purposes. Our products are meticulously sourced and rigorously tested to ensure the highest standards of quality and purity.
Bestsellers
“I am a loyal customer. Their products have always met my research needs and their customer service is outstanding.”
J Kelley
Discover our premium peptide collection
Our peptides are known for their exceptional purity and effectiveness, making them the top choice for researchers worldwide. Explore our collection now and take your research to the next level.

About us
Onyx Peptide Research is a leading supplier of peptides for research purposes. Located in Santa Ana, California, we are dedicated to providing researchers with the highest quality peptides to support their work. Our team is committed to excellence and customer satisfaction.