Lethargy

Advanced Steroid & Health

Definition

Persistent fatigue and lack of energy. On-cycle, often indicates liver stress (oral steroids), crashed estrogen (excessive AI), or elevated prolactin (19-nors). Blood markers help identify the cause.

Related Blood Markers

ALT

Unit: U/L

Enzyme primarily found in the liver. Elevated levels indicate liver cell damage.

AST

Unit: U/L

Enzyme found in liver, heart, and muscles. Elevated by liver damage or muscle breakdown.

Estradiol

Unit: pmol/L

Primary estrogen. Important for bone health, lipids, and cardiovascular protection.

Prolactin

Unit: mIU/L

Hormone from pituitary gland. Elevated levels can affect sexual function and mood.