BOGO 50% + 10% OFF side wide with A1Supplements coupon ‘4THSAVE‘ during checkout. Add two of the PROSUPPS L-Carnitine 3000 (3000mg L-carnitine per serving!) to your cart and use the coupon to get to a final price of $26.5 ($13.2 each). Even with flat shipping $5.95 this is the lowest total price we could currently find for this quantity by at least $15. L-Carnitine assists in the breakdown of energy stores in cells and plays an essential role in making fat available for muscle tissue – promoting muscular energy.