Testosterone enanthate is a longer-acting testosterone ester used in injectable testosterone replacement. The ester is attached to testosterone to slow its release after intramuscular administration.

The supplied product identifies a 400 presentation but does not establish whether this refers to concentration per millilitre or another product specification. The exact label should therefore be used for formulation details.

Clinically supervised testosterone therapy can affect hematocrit, fertility, prostate-related parameters, lipids, and endogenous hormone production.