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Zinc is known as the “Gatekeeper of Immunity” because of its multifaceted roles in regulating the immune system’s activity, ensuring a balanced and effective response to pathogens while also protecting against overactivity that can lead to autoimmune issues or free radicals that cause chronic inflammation.
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$9.99
Zinc is the “Gatekeeper of Immunity” that is essential for optimal immune function.
Immune Cell Development and Function
Zinc is crucial for the normal development and function of immune cells, especially T cells and neutrophils, which are critical in defending the body against infections.1
Antioxidant Properties
Zinc plays a role in protecting cells from oxidative stress, which can damage immune cells and other tissues. By minimizing oxidative damage, zinc helps maintain the integrity of immune cells and their ability to function effectively.
Regulating Inflammation
Zinc helps modulate the body’s natural inflammatory response. It ensures that the body can mount an effective defense against pathogens without creating excessive free radicals, which cause inflammation and tissue damage. This balancing act is crucial in preventing excessive free radicals, which are linked to various diseases.2
Barrier Function
Zinc supports the integrity of physical barriers, such as the skin and the mucous membranes in the respiratory and gastrointestinal tracts, which act as the first line of defense against pathogens.
Gene Regulation
Zinc is involved in the regulation of genes that are critical for immune responses. It influences the expression of cytokines and other signaling molecules that guide the immune system’s response to threats.3
As a dietary supplement, take one (1) capsule with food and water. If you are pregnant, nursing or on medications, you may want to consult with a healthcare provider before using. Keep out of reach of children. To report a serious adverse event or obtain product information, contact 1-800-991-7116. Information provided herein is for informational purposes only.
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View DetailsIf you are not fully satisfied with your purchase, you will receive a full refund, less shipping and handling, within 60 days of the order date. Please call our toll-free number for complete details at 1-877-850-2968, or to receive instructions for returning products for a refund.

Zinc is called the "Gatekeeper of Immunity" because it helps regulate the immune system, ensuring it responds effectively to infections without overreacting, which can lead to issues like autoimmune diseases and too many free radicals, which can cause chronic inflammation.
The suggested use is one (1) capsule daily for adults and adolescents 14 years and older.
It is a major player in the creation of DNA, growth of cells, building proteins, healing damaged tissue and supporting a healthy immune system. Zinc is so important for a healthy immune system that it is called the “Gatekeeper of Immunity.”
- Prasad, A. S. (2008). Zinc in Human Health: Effect of Zinc on Immune Cells. Molecular Medicine, 14(5-6), 353-357.
- Gammoh, N. Z., & Rink, L. (2017). Zinc in Infection and Inflammation. Nutrients, 9(6), 624.
- Haase, H., & Rink, L. (2014). Multiple Impacts of Zinc on Immune Function. Metallomics, 6(7), 1175-1180.







