What Raises Testosterone Levels?
Originally published: Aug 1, 2025 Updated occasionally Advent of sunscreen — lack of sun exposure (also less outdoor work) (large 100% (?) increase) (DeepSeek, Grok, and ChatGPT were used in some of these answers): Obesity (20 to 50% effect size (?)) Weight training (20 to 30% higher free testosterone(?)) Age (-1% per year after age 30 (higher if overweight)) Cardio (Long slow cardio not good compared to HIIT) Insulin resistance Supplementing zinc (if deficient) Limit porn masturbation Estrogen miminics Heavy drinking decreases testosterone Smoking--- small 11% (?) increase Dominance behaviours Being around a naturally cycling female Cold exposure Sleep (could be a big factor ?)