I tried to find this peptide, APGwamide but couldn't on stores. This research showed that it directly increase penis size in molluscs which are somewhat chemically related to humans
The Neuropeptide APGWamide as a Penis Morphogenic Factor (PMF) in Gastropod Mollusks1
Abstract. The goal of this study was to further investigate the role of endogenous APGWamide levels in imposex induction in snails. APGWamide is a common n
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