Tear Stains

Porphyrins

The red/brown discoloration in tears comes from porphyrin. Porphyrins are iron containing molecules produced when the body breaks down iron. Porphyrins are excreted through the gastrointestinal tract, urine, saliva, and TEARS!

See Article By Carrie Hyde

Leave a Reply

Your email address will not be published. Required fields are marked *