Dietary Supplement Easy to Absorb No Added Sugar Gluten & Wheat Free Restore, Balance, Relax Purity & Potency Guaranteed Stress-Relax Natural Berry Drink Mix is an easy-to-absorb source of magnesium that helps restore normal levels of magnesium and balance calcium intake. Magnesium is essential to the proper functioning of many of the body's systems such as helping to metabolize carbohydrates, fats and proteins, and maintenance of health bones and teeth. In addition, it supports proper muscle function, relieves stress and promotes overall relaxation and restful sleep. All Natural Factors products are manufactured in accordance with the Government of Canada's Good Manufacturing Practices (GMP), among the highest standards in the world.