Energy-Boosting L-Carnitine 1000mg Tablets. Expiry Date: L-Carnitine 1000mg Unit Quantity: 60 Active Ingredients: L-Carnitine Formulation: Tablet. Are you striving for peak performance and vitality?. By facilitating the transport of fatty acids to where they're most needed, these tablets work hard to ensure that your muscles receive the energy they crave.