Twinlab Zinc Caps deliver 30 mg of this essential mineral in just one capsule a day. Approximately 100 enzymes rely on zinc to carry out their functions. Specifically, zinc is required for the body to make proteins and DNA. It’s a key nutrient for healthy growth and development during pregnancy, infancy, and childhood. It also assists in healing, helps support the immune system, and maintain healthy skin, and is involved in our senses of taste, smell, and vision.