Dietary Supplement Fast-Acting First Stage Timed-Release Second Stage This product is formulated using a two-stage, timed-release technology. The formula is designed to release half of the Vitamin C in this product rapidly and other half gradually over a period of up to 12 hours**. One capsule in the morning and another 12 hours later extend the availability of Vitamin C to the body over a 24-hour period. Vitamin C provides antioxidant activity and is intended to provide nutritive support for normal, healthy collagen synthesis, cartilage and bone development, immune function, capillary and blood vessel integrity and nerve impulse transmission. **Based on in-vitro dissolution tests designed to stimulate the digestive process. Individual results may vary.