GNC Magnesium 500 mg is a high-quality dietary supplement that provides 500 mg of magnesium as magnesium oxide per capsule, supporting heart health, strong bones, and teeth while covering more than 100% of daily magnesium needs. Free from sugar, starch, sodium, artificial colors and flavors, gluten, wheat, corn, soy, and dairy, it is suitable for individuals with sensitivities. Backed by GNC’s commitment to safety and nutritional science since 1935, this convenient 120-capsule supply delivers essential magnesium for daily wellness—simply take one capsule daily for optimal support.