Equipoise 200 is identified with boldenone undecylenate, a long-chain ester of boldenone. Boldenone is an anabolic-androgenic steroid primarily associated with veterinary medicine rather than routine human androgen replacement.

The undecylenate ester influences the compound’s absorption and release characteristics. Its anabolic and androgenic activity can affect red blood cell production, endocrine function, lipid metabolism, and reproductive physiology.

Potential concerns include increased hematocrit, changes in cholesterol, blood-pressure effects, reproductive suppression, and cardiovascular risks. The 200 specification identifies the product strength and is not a recommended treatment dose.