L-TYROSINE: Nonessential amino acid produced from essential amino acid phenylalanine THERAPEUTIC GRADE: 1000 mg of free form Tyrosine per serving in quick-release capsules ROOTED IN WELLNESS: Carlyle provides premium, honest supplements in your pursuit to healthy living CARLYLE MANUFACTURERS: Laboratory Tested, Trusted Ingredients, Superior Quality, 100% Guaranteed! NATURALLY FREE OF: Gluten, Wheat, Yeast, Milk, Soy, Artificial Flavor, Preservatives & Non-GMO