L-tyrosine is a conditionally essential amino acid found naturally in food, particularly as part of protein. It is one of 22 amino acids used by cells to synthesize protein.Dietary L-tyrosine is supplied through varied dietary protein intakes from different sources and can also be consumed in supplement form. It is popular with athletes to take pure L-tyrosine prior to exercise, especially with caffeine .Format:Bottle of 100 capsules.How to use:Take one serving (2 capsules) daily, 60 minutes before training.Ingredients:L-tyrosine, bulking agent (dextrose, magnesium stearate), glazing agent (gelatin).Nutritional information: for 2 capsules (1 dose)L-tyrosine1000mgAllergen Information:Manufactured in a facility that processes milk, soy and egg proteins, gluten and tree nuts.Warnings:Just like before starting any nutritional and exercise program, consult your doctor first. Food supplements should not be used as a substitute for a balanced and varied diet and a healthy lifestyle. Do not exceed the expressly recommended daily dose. Keep out of the reach of little kids.