Extra C is a high potency, highly effective and absorbable form of vitamin C. Vitamin C is an essential nutrient for the body. It is crucial for the normal functioning of the immune system and is required for the normal functioning of many structures in the body, including bones, teeth, and gums. It also supports the skin by contributing to normal collagen formation and contributes to the protection of cells against oxidative stress. Additionally, vitamin C helps maintain normal energy levels and psychological function. In this clinically researched formulation, the addition of lipid metabolites improves the bioavailability of vitamin C, meaning the human body can absorb it more quickly, and subsequently retain it, than other traditional forms. The result is an increase in the distribution of vitamin C to cells helping to deliver optimal levels. How to use take one to three capsules a day with meals.