Mistral
At the request of Grzbear, here is information I posted another forum:
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Yes, I'm not sure why it [sulphur] has been so overlooked. I have a book on human nutrition and metabolism, and there is less than a paragraph in it about sulphur, yet other minerals get 4-5 pages.
Here's a link that might interest you:
http://www.epsomsaltcouncil.org/articles/Sulfation_Benefits_072204.pdf
Even that is only a small part of the picture because of its emphasis on sulfates. Many enzymatic processes use sulphur in other forms.