... , from griffonia seed ,stable quality and aggressive price, enough goods in stock.Function:Treating Depression, Anxiety, Insomnia, Fibromyalgia, Migraine, and effect ... of 5-HTP are small enough to do so. Once in the brain, they're converted into an important nervous system ... chemical, or neurotransmitter, called serotonin. In 1994, 5-HTP was introduced in the U. S.; 5-HTP is thought to ...