Opti Active D contains 10 micrograms of the active form of vitamin D, calcifediol monohydrate, for superior bioavailability. Opti Active D helps maintain bone health and strength and supports bone mineralisation. Vitamin D helps calcium absorption, and a diet deficient in calcium can lead to osteoporosis in later life. Opti Active D also helps maintain healthy immune system function and supports the immune system to fight illnesses.

• Contains calcifediol monohydrate, a highly bioavailable form of vitamin D.
• Calcifediol is the circulating form of vitamin D in the body, which does not need to be metabolised by the liver and is immediately available for use. Therefore calcifediol is an extremely easily absorbed form of vitamin D.
• Raises vitamin D levels faster than vitamin D3. Calcifediol is clinically demonstrated to have 3x per microgram superior bioavailability than colecalciferol, so that lower dosages are required.
• Convenient 1 per day dose in an easy-to-swallow capsule or tablet for improved compliance.