Is a food grade, natural sea salt, extracted from seawater. It is primarily magnesium chloride, but also contains all the other trace minerals naturally found in seawater. By itself, it is used for losing weight, purifying the skin, combating fatigue, stress, insomnia, constipation, colds and hangovers. Other benefits include the relief of aches and pains (such as fibromyalgia and joint pain: such as arthritis), increased energy (as magnesium is involved in the production of ATP), support of cardiac tissues and the cardiovascular system (magnesium being a natural muscle nourisher and relaxant), supports the detoxification process, support of brain function (which depends upon ATP), improvement of mood and reduction of tension-related stress, support for healthy skin, it reduces headaches, increases memory and cognitive functions, balances the sodium and potassium in the brain, hydrates brain and nerves, eases menopause and premenstrual syndrome (PMS), and numerous other health benefits. And very essential: it relaxes muscle spasms and restores flexibility.