Quest Vitamin C 500mg - 60 TabletsPurpose of FormulaVitamin C is required for the synthesis of collagen, the main structural component of skin, and the stress hormone adrenalineVitamin C increases the absorption of ironVitamin C is a powerful water soluble antioxidantUse to provide everyday support for the immune system Formula FeaturesContains bioflavonoids, which increase vitamin C absorption by up to 35%Quick release tablet, designed to release nutrients within 30 minutes.