A testosterone level of 300–400 ng/dL may be labeled “normal”—but what does it mean in a symptomatic man in his 20s, 30s or 40s? A urologist explains testosterone cutoffs, age-specific data, free testosterone and when further evaluation makes sense.

Physician-led men’s health care that looks beyond a single lab value—integrating hormones, metabolic health, nutrition, training, and performance into one comprehensive plan.