Magnesium Sulfate (E518)

Type of additive
(Glossary)
Acidity Regulators
Firming Agents
E NumberE518
Chemical FormulaMgSO4
Also Known AsEpsom salt (Magnesium sulfate heptahydrate)
English salt
Bitter salts
Bath salt

Purpose and Function

Magnesium sulfate is primarily used as an acidity regulator in food applications:

  • Acidity Regulator: It helps maintain pH levels in food products, contributing to flavor and preservation.
  • Nutritional Supplement: Provides magnesium, which is essential for various bodily functions, including muscle and nerve function.
  • Flavor Enhancer: It can enhance the overall flavor profile of food products.
  • Improves Shelf Life: By regulating acidity, it helps enhance the shelf life of food products, preventing spoilage.

Potential Risks and Side Effects

Magnesium sulfate is generally regarded as safe for consumption. However, some considerations include:

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