Vitamin C contributes to collagen formation for the normal function of blood vessels, bones, skin and teeth and supports the nervous system, psychological function and protection from oxidative stress. It also helps reduce tiredness and fatigue and enhances iron absorption. Each effervescent tablet contains citric acid, ascorbic acid, sodium bicarbonate, sorbitol, sodium carbonate, inulin and natural orange flavouring. Dissolve one tablet daily in a glass of water; do not exceed the recommended intake. They are free from GMOs, dairy, gluten, soya and nuts.