SANDERSON(R) Ester-plex(R) Liposomal 800mg is a potent antioxidant that supports cellular health and a healthy immune system. Ester-plex(R) Liposomal 800mg uses a proprietary method to create a liposomal matrix that combines a water soluble and fat soluble fraction which significantly improves the absorption and bioavailability of the vitamin C component for maximum benefit. Ester-plex Liposomal 800mg is gentle on the stomach. Vitamin C is an essential nutrient that is not made by the body and must be consumed daily, usually from food, like fresh fruit and vegetables, or nutritional supplements. As well as being an immune support, Vitamin C supports healthy skin, recovery and may be beneficial at times of stress..