Know your Amino Acids fact sheet:
| Full name | Lanthionine |
| What you see: | What a biochemist sees: |
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| Speciality | As the monosulfide analog of cystine, lanthionine is composed of two alanine residues that are crosslinked on by a thioether linkage, the Sulfur-Bridge. |
| Sources (animal) | Found widely in nature and has been isolated from human hair, lactalbumin, and feathers |
| Sources (plant) | Beans, nuts, seeds, soy, whey, brewer’s yeast, brown rice, bran, corn, legumes, whole grains |
| Chemical formula | C6H12N2O4S |
| Essential | – |
| Non-essential | X |