Place of Origin : Wuhan,China
Delivery Time : 7days

Δ1-Testosterone (Δ1-dihydrotestosterone, 17β-hydroxy-5α-androst-1-en-3-one, 1-Testo, 1-T) is an androgen and anabolic steroid that differs from testosterone by having a 1,2-double bond instead of a 4,5-double bond in its A ring. It was legally sold as a prohormone in the United States until 2005, when it was reclassified as a Schedule III drug.

A 2006 study determined that Δ1-testosterone has a high androgenic and anabolic potency even without being metabolized, so it can be characterized as