Source Naturals L-Tryptophan with Coenzyme B-6， Enhances healthy mood， sleep， &amp; stress reduction， 120 Tablets<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> Helps support relaxation， restful sleep， and positive mood </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Also supports immune functions </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> L-Tryptophan is extremely pure and is regularly tested to ensure the highest standards of quality </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Converts to niacin， which supports circulation， a healthy nervous system， the metabolism of food， and the production of hydrochloric acid for the digestive system </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Contains vitamin B-6， which is required to convert tryptophan to serotonin </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41FFrPLt70L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41S9re4huFL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/4149WDdb5FL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31WENkTjXwL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51xARnI5IPL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/219RJPCUHkL.jpg" noproxy>