✓ OUR GUARANTEE – we have a no questions asked, money back guarantee policy so you can improve your health with no risk. ✓ PEACE OF MIND – our nutritional food supplements, vitamins, tablets, powders, drops and extracts are manufactured with care exclusively in the UK to GMP code of practice and ISO 9001, so you are safeguarded by the highest standards in the world. ✓ PURE – xSpan Labs L-Tyrosine is manufactured using only the finest quality raw materials in their highest grade and purest form so that we can guarantee you receive a consistently high-quality product. Our formulation is free from: ?lactose, ?gluten, ?wheat, ?yeast, ?dairy. Suitable for Vegetarians but not Vegans. ✓ EFFICACIOUS– L-Tyrosine is an amino acid found in the diet that is metabolized to produce catecholamines such as dopamine and norepinephrine. It is often taken as a supplement to help increase catecholamine levels depleted during stressful conditions. It is taken commonly alone or as part of weight loss or pre-workout supplementation. ✓ POTENT– xSpan Labs L-Tyrosine capsules each contain 500mg of pure L-Tyrosine in a vegetarian capsule shell with no fillers , binders or flow agents added.