Calcium K2 with D3 contains two well absorbed forms of calcium - Aquamin and calcium citrate. Aquamin is a highly bioavailable source of calcium derived from mineralised seaweed. Calcium supports bone density and maintains strong, healthy bones. A diet deficient in calcium can lead to osteoporosis later in life. Calcium may help prevent of osteoporosis when dietary intake is inadequate. Calcium and vitamin D help to support teeth mineralisation and maintain healthy teeth. Vitamin D assists intestinal absorption of calcium and helps maintain healthy, strong bones. Calcium and vitamin D help to maintain bone health by supporting bone density and strength in post-menopausal woman. Vitamin K2 (menaquinone 7), in the form of K2VITAL Delta, is necessary to incorporate calcium into bone to support the integrity and strength of bones. Calcium and vitamin K2 help to maintain cardiovascular system health.