Supports a Healthy Heart and Energ. Liquid Dietary Supplement. Concentrated Liquid L-Carnitine Supplement. Carnipure. Carnipure L-Carnitine is the best tasting liquid form of L-carnitine! A great alternative to the capsule and tablet forms of L-carnitine. There are numerous claims associated with L-Carnitine. Promoting healthy weight management, maintaining healthy heart function and enhanced recovery from exercise are just a few. L-Carnitine is known to act by assisting cellular machinery with the transport of Fat into the mitochondria, where it is converted for energy. L-Carnitine is a supplement for both the strength athlete as well as those who wish to augment their fat reduction program.