L-Tryptophan is an essential amino acid: therefore, it is not synthesized by the body and must be obtained from the diet. L-Tryptophan is critical for the production of serotonin and melatonin, which help to support a positive mood, healthy sleep patterns and proper immune system function. Every lot of NOW L-Tryptophan is tested to be free of Peak E and microbial contamination.
L-Tryptophan , Croscarmellose Sodium , Hydroxypropyl Cellulose , Stearic Acid (Vegetable Source) , Magnesium Stearate (Vegetable Source) , Vegetarian Coating and Silicon Dioxide .
Contains Eggs and Their Derivatives,Fish and Their Derivatives,Soybean and its Derivatives,Shellfish,Milk and its Derivatives,Tree Nuts and Their Derivatives.
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