HaoYi Co., Ltd. describes itself as a supplier of high-purity research peptides focused on metabolic science. The site lists products such as Tirzepatide, Retatrutide, Tesamorelin, TB-500, Semax, Selank, NAD+, MOTS-c and Melanotan II, and states that batches are supported by Certificates of Analysis (COA).
HaoYi Co., Ltd. describes itself as a supplier of high-purity research peptides focused on metabolic science. The site lists products such as Tirzepatide, Retatrutide, Tesamorelin, TB-500, Semax, Selank, NAD+, MOTS-c and Melanotan II, and states that batches are supported by Certificates of Analysis (COA).