5-HTP increases serotonin levels in the body and helps to promote healthy mood balance, to relieve symptoms of fibromyalgia, to reduce severity of migraine headaches. The Progressive 5-HTP formula is designed with enteric coated capsules that are gentle on the stomach. Helps to promote a healthy mood balance Helps to relieve symptoms of fibromyalgia Helps to reduce the severity and duration of migraine headaches when taken as a preventative Used as a sleep aid to promote a restful sleep