- Crystalline Amino Acid - Dietary SupplementDietary ConsiderationsWheat FreeVegetarianSoy FreeYeast FreeSugar FreeStarch FreeCorn FreeFree of Artificial Colors/FlavorsServing Size:2 TeaspoonServings Per Container:75Amount Per Serving L-Tyrosine 2000mg Other ingredients: Gelatin, Magnesium Stearate, Silicon Dioxide Directions: Take two teaspoons (approximately 2 grams), or as directed by a physician. This product may be taken in conjunction with vitamins and minerals. Do not refrigerate. Do not take with dairy products. Only the purest, crystalline form of the amino acid L-Tyrosine is present in this formula. Free of corn, soy, yeast, wheat, sugar, starch, meat products, coloring agents or artificial flavoring.