Magnesium Chelate 125 mg from Natural Factors is an excellent dietary supplement containing Magnesium Chelate to support us during training. Magnesium is a mineral and the second most common electrolyte in the human body. The main sources of magnesium are nuts and green leafy vegetables. Magnesium supports: proper functioning of muscles, maintaining electrolyte balance, maintaining healthy bones and teeth, reducing fatigue and exhaustion, maintaining normal psychological functions. Recommended dosage: Take one capsule per day.