Calcium Magnesium is a blend of the citrate forms of both calcium and magnesium. Both are categorized as essential macrominerals. Calcium Magnesium is a therapeutic dose of these macrominerals in a 2:1 ratio of calcium to magnesium. Both are in their citrate forms due to improved absorption and lack of lead contamination. Calcium and magnesium citrate have been shown to help adults with thyroid concerns including: maintain bone, heart, and overall health.* Calcium and magnesium are among the most common nutrient deficiencies in the modern world. In fact, most American adults do not meet their calcium needs without supplementation. Thyroid concerns creates greater demands for dietary calcium and magnesium. It can also cause them to be poorly absorbed, and can lead to a higher than normal rate of excretion. The ingredients in Calcium Magnesium can help maintain essential levels of macrominerals, maintain bone health, manage muscular tension, promote depth of sleep, and regulate ovarian hormones.*