Roter Vitamin C Effervescent 1000mg supports natural resistance with a high dose of vitamin C. Your body cannot produce vitamin C itself. You must obtain this vitamin through food. Vitamin C is found in vegetables, fruit and potatoes. Vitamin C supports your natural resistance and is necessary for the formation of connective tissue and the absorption of iron. Vitamin C is an antioxidant that supports resistance. It contributes to the protection of healthy cells and tissues against free radicals. Vitamin C is also important for the nervous system and can help reduce fatigue. Taking vitamin C promotes energy metabolism and increases iron levels in the blood. Vitamin C has a positive effect on resistance during and after physical exertion. The benefits of Roter Vitamin C Effervescent 1000mg: Support and increase your natural resistance.