August 24, 2026 · 9 MIN
Micronutrient Deficiencies in Endurance Athletes: Iron, Zinc, B12, and Beyond
Endurance athletes lose micronutrients through sweat, GI stress, and elevated metabolic turnover at rates 2-5x higher than sedentary individuals. Iron, zinc, magnesium, and B12 deficiencies silently erode performance long before clinical symptoms appear.