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Optimum Immune Booster provides the ingredients to promote a healthy immune system. Includes Vitamin C a powerful antioxidant, Zinc an essential mineral and Echinacea which may shorten the duration of a cold.
For additional formula information, view the Supplement Facts panel.
All Windmill supplements are manufactured in the United States in an FDA-inspected facility whose cGMP (current Good Manufacturing Practice) are independently verified by qualified certification organizations.
Free of artificial colors, flavors, and preservatives, Windmill is a trusted name that has been providing America with quality supplements for over 45 years.