We submitted samples of our In-Kaged and Optimum Nutrition’s Essential Amino Energy to a 3^rd party lab for testing. You can see for yourself the difference is clear.Why KAGED MUSCLE IN-KAGED? More nutrients, less caffeine. One serving of In-Kaged gives you more than 4 times Citrulline than even 2 servings of Essential Amino Energy. In-Kaged also has more leucine, valine and other nutrients for your workout. Don’t be fooled by the label. Test results don’t lie. Try In-Kaged and see the difference yourself. Natural flavoring, natural coloring, and BSCG certified.