Now Foods L-Tryptophan 2 oz Powder

L-Tryptophan Is An Essential Amino Acid Important In Human Nutrition For The Synthesis Of Melatonin And Serotonin, Hormones Regulating Mood And Stress Response.  L-Tryptophan Helps Support Relaxation, Sleep, Positive Mood And Immune Function.*  As An Essential Amino Acid, It Is Not Synthesized By The Body And Must Be Obtained Fromt He Diet.  Now⮠L-Tryptophan Is Pharmaceutically Pure - Every Lot Is Tested To Be Free Of Peak E And Microbial Contamination.