Feb 24, 2026Testosterone Decline in Men: Natural Trajectory, Functional Impact, and Evidence-Based SupportTestosterone declines approximately 1-2% per year from age 30. The clinical significance of this decline depends on absolute levels and symptoms, not chronological age alone. Testosterone replacement therapy has RCT evidence for improving muscle mass, bone density, and sexual function in men with confirmed hypogonadism. Lifestyle factors significantly modify the trajectory.
Feb 24, 2026Testosterone Decline in Aging Men: Natural Interventions, Monitoring, and TRT ContextTestosterone declines ~1% per year after age 30 in men. Below clinical thresholds, symptoms include fatigue, sarcopenia, and cognitive fog. Lifestyle interventions (resistance training, sleep, zinc, vitamin D) have the best evidence for supporting endogenous production. Ashwagandha and fenugreek show modest RCT data.
Feb 22, 2026Longevity Protocol for Men Over 50: Evidence-Based PrioritiesMen over 50 face accelerating cardiovascular, metabolic, and hormonal changes. This protocol covers the highest-leverage, evidence-based interventions for men in the second half of life.