Check the listing for details. Bioclinic Naturals Opti Active D 120 Tabs RRP $49.95. Condition: New. Listed at 22.34 USD. Bioclinic Naturals Opti Active D 120 Tabs - Expiry 09/2025 Trusted product from Registered Naturopath - RRP $49.95 - Fast Postage Opti Active D contains ampli-D™, a highly bioavailable form of vitamin D, which has been clinically demonstrated to increase and optimise endogenous vitamin D status more rapidly than the colecalciferol form. Vitamin D is essential for maintaining homeostasis in many physiological functions and processes in the body including immune activity, bone health and healthy pregnancy and foetal development. Contains world-first ampli-D™ calcifediol monohydrate, a highly bioavailable form of vitamin D.Calcifediol is the circulating form of vitamin D in the body, so that it does not need to be metabolised by the liver and is immediately available for use. Therefore ampli-D™ is an extremely easily absorbed form of vitamin D.Raises vitamin D levels faster than vitamin D3. ampli-D™ is clinically demonstrated to have 3 x per microgram superior bioavailability than colecalciferol, so that lower dosages are required.Convenient 1 tablet per day dose for improved compliance. Active ingredient per tablet:Calcifediol monohydrate 10 mcg Buy in bulk for postage discounts - Each additional bottle is only an extra $2 postage. Check out my other items for sale or send me a message if you're looking for a product that I don't have listed.