Zahler L-Tryptophan 500mg Supplement， Supports Sleep Mood and Relaxation， Certified Kosher， 60 Capsules<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> ABOUT: Zahler’s L-Tryptophan supplement 500mg is used by the brain as a precursor to serotonin and melatonin， neurotransmitters that are necessary for normal sleep </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> BENEFITS: In addition to normal sleep， changes in the level of serotonin in the brain can impact mood and satiety </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> EFFECTS: Adequate sleep is crucial for a healthy immune and nervous system </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> ALL NATURAL SAFE &amp; EFFECTIVE: Zahlers L-Tryptophan is a natural， potent， purified form， which effectively crosses the blood brain barrier </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> MADE IN THE USA: Manufactured in the USA in a state of art GMP and NSF certified facility </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41LFncXWjCL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/411mJCX3rmL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/4114b-QRarL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41QRdlGmuZL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51STgZg-jGL.jpg" noproxy>