PureSource is a US-focused supplier of research-grade peptides, offering catalog items such as BPC-157, TB-500, Semaglutide, and Tirzepatide in 5 mg vials, plus wholesale and B2B pricing. The site states that products are GMP-certified, that each order includes a COA with HPLC and mass spectrometry data, and that products are for laboratory research use only. It also states that it ships from US stock with cold-chain logistics.
PureSource is a US-focused supplier of research-grade peptides, offering catalog items such as BPC-157, TB-500, Semaglutide, and Tirzepatide in 5 mg vials, plus wholesale and B2B pricing. The site states that products are GMP-certified, that each order includes a COA with HPLC and mass spectrometry data, and that products are for laboratory research use only. It also states that it ships from US stock with cold-chain logistics.
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