Health effects of sulphur<span>. All living things need </span>sulphur. It is especially important for humans<span> because it is part of the amino acid methionine, which is an absolute dietary requirement for us. ... Elemental </span>sulphur<span> is not </span>toxic<span>, but many simple </span>sulphur <span>derivates are, such as </span>sulphur<span> dioxide (SO</span>2<span>) and hydrogen sulfide.</span>
