Zinc Silicate (E557)

Type of additive
(Glossary)		Anti-caking Agents
E NumberE557
Chemical FormulaZn4Si2O7(OH)2·H2O
Also Known AsHemimorphite

Purpose and Function

Zinc silicate is primarily used as a nutritional supplement in food applications:

  • Nutritional Supplement: Provides zinc, which is essential for various bodily functions, including immune response and skin health.
  • Anticaking Agent: It can also be used to prevent clumping in powdered foods.
  • Improves Shelf Life: By stabilizing food products, it helps enhance shelf life and prevent spoilage.

Potential Risks and Side Effects

Zinc silicate is generally regarded as safe for consumption. However, some considerations include:

  • Gastrointestinal Issues: Excessive intake may lead to gastrointestinal discomfort, including nausea or diarrhea.
  • Allergic Reactions: Rarely, individuals may experience allergic reactions to zinc silicate, particularly those with sensitivities to zinc.
  • Contaminants: Sourcing from reputable suppliers is essential to minimize the risk of contaminants in food formulations.