Tryptophan
Tryptophan : Essential amino acid. Natural relaxant and sleep aid due to its precursor role in serotonin (a neurotransmitter) synthesis. Along with tyrosine, it is used in the treatment of addictions. A natural relaxant, Tryptophan helps alleviate insomnia by inducing normal sleep; helps in the treatment of migraine headaches; helps the immune system; reduces anxiety & depression; helps reduce the risk of artery & heart spasms and works with Lysine in reducing cholesterol levels