Wish Dzika Rose 70% Natural Vitamin C is a single ingredient dietary supplement in powder form for adults. The pack contains 100% pure rosehip extract standardized to 70% natural vitamin C. One serving contains up to 700 mg of vitamin C, which corresponds to 875% of the daily reference value for an adult. How does vitamin C work? It helps keep the immune system functioning properly during and after intense physical exercise. It helps in the proper production of collagen to ensure the proper functioning of blood vessels and bones, cartilage, skin, gums and teeth. Contributes to maintaining proper energy metabolism. It helps the proper functioning of the nervous system. It helps to maintain proper psychological functions. It helps the proper functioning of the immune system. Helps protect cells against oxidative stress. It helps to regenerate the reduced form of vitamin E. Increases iron absorption. It helps to reduce the feeling of tiredness and fatigue. The wild rose (Rosa canina) contained in the dietary supplement is a natural source of antioxidants that help protect cells and tissues against oxidative stress caused by free radicals. Wild rose also helps boost the bodys immunity to protect against health-threatening microorganisms. A 300g package is enough for 300 recommended daily servings.