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Ascension Peptides is a Colorado-based peptide supplier that carries over 30 research peptides, including hard-to-find compounds like retatrutide and cagrilintide. Every product is third-party tested by an independent U.S. laboratory, with certificates of analysis publicly available on their site.
Reported purity levels range from 97.5% to 99.98%, with most products testing above 99%. They ship domestically within the U.S. and accept credit cards, crypto, and bank transfers.