Diet

Learn which nutrient deficiencies lower testosterone, backed by clinical studies on zinc, vitamin D, and vitamin A. Find out how to test and correct them.

Do ultra-processed foods lower testosterone? Discover the biological mechanisms, key research disagreements, and actionable steps to protect your hormone.

An evidence-based testosterone diet plan for men. Learn the specific macronutrient splits, calorie targets, and meal timing backed by peer-reviewed studies.

Discover how intermittent fasting impacts testosterone. The effect depends on your body composition, fasting protocol, and other key hormones.

Learn what the science says about dietary fat and testosterone. We break down the research, including specific studies, and give you clear, actionable advice.