Prairie Naturals Cal-Mag-Force 2:1 provides an optimum potency ratio of calcium to magnesium with 400mg of calcium citrate/calcium chelate and 200mg of magnesium in addition to Vitamin D and zinc for optimal absorption. This highly bioavailable formula is utilized easily by the body. Cal-Mag-Force 2:1 tablets are an excellent choice for those at risk of osteoporosis or anyone wishing to "bone up" on bone-protecting nutrients.
