Formulated with PUREWAY-C®, a researched form of Vitamin C. Provides a rapid & high absorption* form of Vitamin C equivalent to 1000mg of Vitamin C. Supports healthy immune system function. Nutra-Life® Rapid-C 1000mg are formulated with PUREWAY-C®, a researched form of Vitamin C that is rapidly absorbed & has higher absorption by the body *compared to calcium ascorbate. This formula supports immune system health. PUREWAY-C® is a registered trade mark of One Innovation Labs, LLC. Warnings: Always read the label. Use only as directed. Supplementary to and not a replacement for a balanced diet. If symptoms persist, see your health care professional.