Pregnenolone, measured in nanograms per milliliter (ng/mL), is a crucial neurosteroid in males, acting as a precursor to various other steroids including progesterone, mineralocorticoids, glucocorticoids, androgens, and estrogens. It is synthesized directly from cholesterol and serves as the foundational substrate in the steroidogenesis pathway, leading to the production of these hormones.
This steroid plays a vital role in brain function, as it is involved in neurogenesis, synaptic functioning, and neural plasticity, and it also influences mood and memory. Abnormally low levels of pregnenolone in males can be associated with a variety of health issues, including adrenal insufficiency, hypopituitarism, and chronic stress, which can lead to fatigue, mood disorders, and cognitive difficulties. Conversely, elevated levels might indicate adrenal tumors or hyperplasia. Monitoring pregnenolone levels is important in assessing adrenal gland function and overall steroid hormone balance in the body. In clinical practice, measuring pregnenolone levels can aid in diagnosing adrenal or gonadal dysfunction and can be a useful tool in the broader assessment of hormonal health in males. Additionally, it can guide therapeutic interventions in conditions related to hormone imbalances, cognitive disorders, or mood disturbances, where steroid precursor levels play a significant role.
Every lab result you’ve ever had, charted and explained.
Healthmatters is a tracker for your lab results. Upload a report from any lab, any country — every marker charted and explained.
Start with my report →All our content is backed by peer-reviewed studies, academic research, and trusted medical sources. We’re committed to accuracy and transparency — see our editorial policy for details.