Clicks Expert Vitamin C 1000mg 60 Capsules is a powerful and versatile antioxidant. Vitamin C is essential for healthy body tissues, including the maintenance of cartilage, bones, and teeth, but is also necessary for iron absorption, collagen production, and proper immune function. This expert formulation also contains bioflavonoids, which give the body a powerful antioxidant boost to fight free radicals, and is time-released to gradually dispense its contents into the body over several hours.