DHEA (dehydroepiandrosterone) is a hormone produced primarily by the adrenal glands that serves as a building block your body converts into testosterone and estrogen as needed. Levels peak in your mid-20s and then decline steadily with age, dropping by roughly 80 to 90 percent by the time most people reach their 70s and 80s — one of the earliest and most dramatic hormone declines in the body.
What DHEA actually does?
DHEA is sometimes described as a "precursor" hormone because your body uses it as raw material to produce other hormones, including testosterone and estrogen, in tissues throughout the body as needed. Beyond that conversion role, DHEA itself has been associated with immune function, bone density, mood, energy, and libido, which is part of why its decline can have such wide-reaching effects as it progresses.
Why DHEA declines so early and so steeply?
Unlike some hormones that hold relatively steady until a later, more defined decline, DHEA production from the adrenal glands begins tapering off earlier than most people expect, often starting in the late 20s to early 30s, well before most other classic markers of aging become noticeable. By some estimates, adults in their 70s and 80s produce only a fraction of the DHEA they did at their peak, making it one of the most significant relative hormone declines associated with normal aging.
What low DHEA can look like?
Because DHEA contributes to testosterone and estrogen production, and has independent effects of its own, declining levels can contribute to reduced energy, changes in mood, decreased muscle mass, reduced libido, and, in some patients, effects on skin quality and immune resilience. As with most hormone-related symptoms, though, these overlap significantly with other conditions, which is why DHEA is best evaluated as part of a broader hormone panel rather than in isolation.
How DHEA is tested and evaluated?
DHEA-S (DHEA sulfate), the more stable, measurable form of DHEA in the bloodstream, is typically included as part of a comprehensive hormone panel alongside testosterone, estrogen, and other relevant markers. Because DHEA levels vary meaningfully by age, results are interpreted relative to age-adjusted reference ranges rather than a single universal "normal" number.
What can be done about low DHEA?
For patients with confirmed low DHEA and relevant symptoms, DHEA supplementation is one option some providers use as part of a broader hormone optimization plan, though it's typically approached carefully and monitored with follow-up labs, since DHEA converts into other hormones and can affect testosterone and estrogen levels in the process. The right approach depends on your full hormone picture, your symptoms, and your overall health goals — not DHEA in isolation.
How do you get a complete picture?
If you're building out a hormone optimization plan, DHEA is a piece worth including rather than overlooking, given how early and how significantly it tends to decline. A comprehensive panel and a conversation with your provider is the best way to understand where you stand.