DEFENCE is formulated by our scientists and nutritionists to offer a unique combination of 16 active ingredients including green tea extract, astaxanthin, vitamins and minerals for good absorption and bioavailability. Carefully selected for their ability to enhance the skins ability to fight free radicals and antioxidant cell protection. This helps prevent collagen depletion and supports the maintenance of healthy skin, hair, and nails. Supported by published clinical trials, all from the Collagen Expert, trusted since 2011.