How to Self Administer Subcutaneous & Intramuscular Injections L carnitine is an amino acid derivative that plays a crucial role in the bodys energy production processes. As an injectable supplement, L carnitine has been employed to support various health L Carnitine: Boost Energy & Performance at Ultimate IV Know About L Carnitine Injections for Weight Loss L CARNITINE Dermaqual L Carnitine doesnt magically burn fat, it helps your body use fat as energy. Combine it with training and consistency, and youll feel the difference @Marybosch shows us how L Carnitine will boost