Doppelherz Aktiv Vitamin C + Zn 600Mg Lemon 15TABVitamin C and Zinc contribute to the normal function of the immune system and to the protection of cells against oxidative stress. Our effervescent tablets, with a lemon flavor, dissolve effortlessly, making them a convenient option. In times of stress or physical exertion, our immune system may encounter challenges, increasing the importance of these nutrients. Since our bodies cannot produce these vital nutrients on their own, it is crucial to