This product is a pack of 40 Vitamin C and Zinc Effervescent Tablets, with each tube containing 20 tablets. The main purpose of these tablets is to provide immune support, and they are formulated as effervescent tablets that dissolve in water. The active ingredient is Zinc, and they have an orange flavour. These tablets should be taken after meals and weight . Ideal for supporting the immune system in an easy and convenient for daily use