Is magnesium good for runners?

This question is about Running

Natalie Rizzo, MS, RD, Freelance Writer

Magnesium is an important electrolyte for runners. Since magnesium is one of the minerals lost in sweat, it plays a crucial role in hydration, and is also involved with energy metabolism, muscle contraction, oxygen uptake and electrolyte balance, all of which affect running performance. Additionally, studies have found that marathon runners who consumed adequate amounts of unsaturated fat, iron, potassium, and magnesium had better race-day performance [



Mg written on a chalkboard surrounded by avocado, almonds, spinach and bananas

  1. Roca, E., Nescolarde, L., Brotons, D., Bayes-Genis, A., & Roche, E. (2020). Macronutrient and mineral intake effects on racing time and cardiovascular health in non-elite marathon runners. Nutrition (Burbank, Los Angeles County, Calif.), 78, 110806.