Zinc gluconate

Zinc gluconate is the zinc salt of gluconic acid. Gluconic acid is typically produced by the fermentation of glucose by certain microorganisms. Zinc gluconate is then formed by reacting gluconic acid with a source of zinc, such as zinc oxide or zinc carbonate.

Zinc gluconate is primarily used as a source of zinc in dietary supplements and fortified foods, as it is readily absorbed by the body. It can also be found in some beverages and meal replacements to boost their nutritional content. Manufacturers add it to provide a specific nutrient.

Zinc gluconate is not an additive and is used as a source of the essential mineral zinc. Zinc is important for immune function, wound healing, and cell growth. The UK’s Register of Food Additive Authorisations does not list zinc gluconate as a food additive. EFSA has evaluated zinc compounds and established an Acceptable Daily Intake (ADI) for zinc. Typical intakes from fortified foods and supplements are generally within safe levels, but excessive zinc intake can interfere with copper absorption.