NOW L-Tryptophan Powder 2oz (Pack of 2)<div style="text-align: left;"><strong>[Product Information]</strong><ul><li class="showHiddenFeatureBullets"><span class="a-list-item"> 2 Ounces Powder </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Serving Size: 1/4 level teaspoon </span></li><li class="showHiddenFeatureBullets"><span class="a-list-item"> Suitable for Vegetarians </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/41nETmd-7CL.jpg" noproxy>