Vitamin C plays a significant role in the function and strengthening of the immune system. It is also important for metabolic processes and the maintenance of good health. Vitamin C is recommended for common colds protection against harmful free radicals caused by exercise and as a tonic for overall good health. Gluten free preservative free no added sugar no artificial colouring no yeast. No artificial colourings preservatives or additives of any kind are used. This product should not be used as a substitute for a balanced and varied diet.