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Deer Antler Liquid – What You Need to Know

Deer antler liquid is controversial because it contains IGF-1, or insulin-like growth factor-1, which is banned by WADA as a performance-enhancing drug, and by many professional sports leagues. WADA’s restriction on deer antler spray was subsequently overturned when the regulatory body determined that the substance contained only petty amounts of IGF-1. But even at that, a shocking number...