Esentiel Epsom Salt is a classic, natural remedy. Use it for the relaxation and relieving of muscle aches, as a foot bath treatment. Essential Epsom Salt is food-grade, meaning that it is safe for consumption as a natural laxative for short term relief of constipation. Product Directions: For temporary relief of muscle aches and stiffness of joints: Dissolve 375g in an average size bath of warm water. To use as a laxative, consume under professional advice. Product Ingredients: Contains 9.7% Magnesium (Mg), 12.8% Sulfur (S) as Sulfate