Dietary supplement. Nutritionally supports healthy immune system. TwinLab's Liquid C is a pleasant tasting liquid formula for more efficient digestion, absorption, assimilation and utilization. Vitamin C is a powerful antioxidant, which supports a healthy immune system and helps fight free radical damage. It also is beneficial in promoting the development of collagen, a key building block for muscles, skin, bone and teeth. Packaged in high quality, shatterproof bottle. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease).