Immun-C is Phyzix MD's daily dose of Vitamin C your body needs. Highly regarded for its energy production, Vitamin C does more for your body than just provide good, healthy energy. Vitamin C is also a primary ingredient for immune function to fight off infection with strong protein cells and antibodies. It's also important in building up collagen in your skin cells for a youthful, healthy glow in your skin and strong connective tissues in your joints. Looking for more energy, more vitality, healthy skin and joints, and a dose of happiness, take your Immun-C once a day everyday.