* Dietary Supplement * Two-Stage, Timed-Release * Fast-Acting First Stage * Timed-Release Second Stage Discussion: This product is formulated using a two-stage, timed-release technology. The two-stage ingredients are designed to release half of the ingredients rapidly and the other half gradually over a period of up to 8 hours**. The two-stage ingredients include Vitamin C, Thiamine, Riboflavin, Niacinamide and Vitamin B-6. The two-stage, timed-release technology helps to extend the availability of these vitamins to the body over a longer period of time. **Based on in-vitro dissolution tests designed to simulate the digestive process. Individual results may vary.