Your dog's heart works hard and L Carnitine helps fuel every beat. This natural protein like substance supports healthy heart function by helping carry fatty acids to where the body needs them most. Carnicare DuoMax L Carnitine & Taurine Supplement for Dogs Ace Canine Ace Canine Healthcare Let's talk about L carnitine a powerful ingredient found in our puppy food that plays a vital role in your little one's development. , , L carnitine is not just any ordinary component. It's a L Citrulline Malate: Pump & Endurance MST Nutrition Compounded Carnitine (L) Injection Empower Pharmacy