Pharmex Phenomax Defense Vitamin C + Zinc + Propolis 20U is a supplement designed to boost daily immune defenses. The combined formula of Vitamin C, Zinc, and Propolis offers synergistic support, helping to strengthen the body's natural barriers and protect it from external agents. Vitamin C promotes collagen production and acts as a powerful antioxidant, while Zinc is essential for the proper functioning of the immune system. Propolis, known for its antiviral and antibacterial properties, adds an additional protective effect. This supplement comes in a convenient format of 20 units, ideal for those seeking effective and natural support during seasonal changes or periods of increased stress.