At Peptide Hackers, we supply research grade peptides to qualified laboratories and institutions. Researchers use our materials to study muscle growth pathways, fat loss and adipose metabolism, recovery biology, and sleep and circadian mechanisms. Every lot is tested for identity and purity by HPLC and mass spectrometry, with Certificates of Analysis available. We emphasize accuracy, consistency, and stability so your experiments are reproducible. Not for human or veterinary use or diagnostic purposes.