Sigma-tech is a peptide supplier based in Hangzhou, China, founded in 2017, that describes itself as focused on peptide products for research institutions, pharmaceutical companies, and healthcare brands. The site lists weight-loss, cosmetic, muscle growth, healing, and nootropic peptide categories, along with peptide blends and a test report section. It states that it supplies directly from its own factory.
Sigma-tech is a peptide supplier based in Hangzhou, China, founded in 2017, that describes itself as focused on peptide products for research institutions, pharmaceutical companies, and healthcare brands. The site lists weight-loss, cosmetic, muscle growth, healing, and nootropic peptide categories, along with peptide blends and a test report section. It states that it supplies directly from its own factory.
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