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Magnesium Sulphate
Magnesium sulphate is an inorganic salt commonly used as a food additive (E518) and supplement. It serves as a magnesium source and is used for electrolyte replenishment. It is generally recognized as safe (GRAS) for consumption in regulated amounts but excessive intake may cause laxative effects.
Mineral or nutrientUpdated Feb 25, 2026
Health score+2.0
-5Good5
Water guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Food and supplement guidelines
- Legal limit
- Not specified
- Health guideline
- Not specified
Risks
Laxative effect, gastrointestinal discomfort in high doses, potential electrolyte imbalance if overused
Benefits
Magnesium source, supports muscle and nerve function, metabolic processes, bone health
References
Waters containing Magnesium Sulphate
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