Tryptophan Supplement: Each serving of Protocol for Life Balance L-Tryptophan has 1,000mg of this essential amino acid for relaxation, sleep support, and more* Sleep Support Supplement: L-Tryptophan comes in the form of easy-to-take tablets that help to regulate appetite and synchronize sleep patterns* Made Without Gluten: These amino acids are made without gluten and free from dairy, egg, soy, and nuts, plus are vegan, vegetarian, halal, and kosher Protocol For Life Balance: We firmly believe that natural products are safer and more effective A-Rated GMP Manufacturer: Premium dietary supplements created for healthcare practitioners L-Tryptophan is an essential amino acid; therefore, it is not synthesized by the body and must be obtained from the diet. In the brain, tryptophan is converted into serotonin, a neurotransmitter involved in feelings of well-being, calmness, personal security, and relaxation.* It also plays a role in the regulation of appetite and synchronization of sleep patterns.* Every lot of Protocol For Life Balance L-Tryptophan is tested to be free of Peak E and microbial contamination.Tryptophan supplements may interact with CNS depressants, antidepressants (SSRIs, MAOIs), and other serotonergic agents such as St. John’s Wort and 5-HTP. Consult your healthcare practitioner if you are taking medications or herbs, are pregnant/nursing, or if you have liver impairment. May cause drowsiness. Do not use with alcoholic beverages or while operating heavy machinery. California Proposition 65 WARNING: Consuming this product can expose you to chemicals including lead which is known to the State of California to cause birth defects or other reproductive harm. Natural color variation may occur in this product.At Protocol For Life Balance, our mission is to provide high-quality, affordable solutions that empower people to lead healthy and happy lives. Our extensive line of premium natural health products uses well-researched ingredients that meet the highest quality standards. Every Protocol For Life Balance product must pass a rigorous internal review to ensure relevance, efficacy, and quality.