About This Product High Potency! 50mg Zinc: Zinc is an essential micronutrient that helps support immune function and contributes to healthy skin, eyes, and heart. Zinc is also believed to aid wound healing, collagen production, and maintain skin radiance. Made in the USA! Third-Party Tested: All of our products, including our 50mg Zinc Immune Support supplement, are encapsulated in vegetable capsules and manufactured in a registered, cGMP-compliant laboratory. No artificial ingredients, binders, color additives, chemicals, fillers, or preservatives. This zinc vitamin is all-natural and free of soy, gluten, milk, egg, wheat, GMOs, peanuts, sweeteners, shellfish, or sugar.