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DHEA supplementation can increase testosterone levels quite significantly in middle-aged and older men, and in menopausal women. However, these effects are â for some reason â highly unreliable in younger guys.
4. DHEA. Dehydroepiandrosterone (DHEA), a hormone produced by the adrenal glands, is a precursor to the sex hormones estrogen and testosterone. Blood levels of DHEA peak in oneâs twenties and then decline dramatically with age, decreasing to 20-30% of peak youthful levels between the ages of 70 and 80.