5-htp hydroxytryptophan, it is an amino acid. It takes tryptophan that we find in foods and converts it to hydroxytryptophan, which then turns into serotonin which helps with pain sensation anxiety depression sleep problem.

Yup I take it...I get a sleep thing from health shop. It has 5htp, cherry tart, and I think elderflower or something and also magnesium...I definitely notice pain increases when I don't take it.

What is HTP.