* C-500 mg + Rose Hips * D3-1000 IU * Dual Action * Promotes a Healthy Immune System & Supports Bone Health * Antioxidant Support * Rapid Release Liquid Softgel * Vitamin Supplement * Guaranteed Quality - Laboratory Tested * Healthy You, Healthy Earth Both vitamins C & D play an important role in supporting immune function. Vitamin D3 supports normal antibody production by the immune system. Vitamin D3 aids in supporting bone health, while vitamin C neutralizes free radicals in the cells.