Sulphur
Functions
The body does not use sulphur itself as a nutrient, but it is a component of essential nutrients used by the body e.g. thiamine and some amino acids (i.e. methionine, cysteine).
Sulphur plays a role in determining the contour of proteins. The sulphur containing amino acids can link together to form bridges, which stabilise the protein structure. Proteins in the body that have a high sulphur content tend to be more rigid including hair, skin and nails.
Recommended Intakes
There is no recommended intake for sulphur
Food Sources
All protein-containing foods are good sources of sulphur e.g. meats, fish, poultry, eggs, milk, legumes, nuts.
Deficiency
Deficiencies of sulphur are unknown. Those with severe protein-energy malnutrition will lack the sulphur-containing amino acids.
Toxicity
Toxicity of sulphur would only occur if excess sulphur-containing amino acids were eaten. In animals, this has been shown to depress growth. | 
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