is injectable l carnitine bullshit liquid injection L- carnitine has been studied fairly extensively. And the current consensus L-Carnitine Liquid vs Capsules: Which
Description
RAW format supplements are ideal for making blends

Its principal physiological role is to transport long-chain fatty acids into the mitochondria the energy-producing structures within cells where they are broken down to generate energy
Nielsen JB, Thorolfsdottir RB, Fritsche LG, Zhou W, Skov MW, Graham SE, et al
Patients with Chronic Liver Disease have Low Levels of L-Carnitine There are several pieces of evidence pointing to low levels of L-carnitine in patients with chronic liver disease, particularly those with cirrhosis

What exact molecule