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Age-related testosterone decline significantly affects metabolism, cardiovascular health, bone density, muscle mass, and psychological well-being in aging men. While testosterone replacement therapy offers direct supplementation, safety concerns have prompted growing interest in natural approaches to preserving endogenous production. The underlying pathophysiology involves disruptions of the hypothalamic-pituitary-gonadal axis, affecting both central and peripheral mechanisms. At the testicular level, microenvironmental alterations include Leydig cell decline, oxidative stress, inflammatory upregulation, and mitochondrial dysfunction, all of which contribute to reduced steroidogenic capacity. Addressing these mechanisms requires multifaceted interventions, beginning with targeted exercise strategies. Resistance training proves most effective when employing progressive overload and compound exercises, while combined resistance-aerobic protocols offer synergistic benefits that exceed single-modality training by simultaneously targeting cardiovascular health and muscle preservation. Complementing these exercise interventions, Mediterranean dietary patterns emphasizing whole foods, healthy fats, and antioxidant-rich plants support endogenous testosterone production while reducing systemic inflammation. Furthermore, micronutrient optimization, particularly zinc and vitamin D, proves essential for maintaining steroidogenic enzyme function. Beyond conventional nutrition, emerging evidence supports the use of plant-derived bioactive compounds for hormonal optimization. Antioxidants such as resveratrol, curcumin, and quercetin reduce oxidative stress and protect steroidogenic enzymes, while adaptogenic herbs, particularly ashwagandha, support testosterone levels by modulating cortisol and promoting testicular health. Collectively, integrative approaches that combine strategic exercise programming, nutrient-dense dietary patterns, and targeted bioactive compounds show considerable promise in addressing age-related declines in testosterone through complementary mechanisms. These strategies offer favorable safety profiles compared with pharmaceutical interventions, providing sustainable pathways for healthy aging and hormonal optimization in the aging male population.
Shypilova et al. (Sun,) studied this question.