injectable l-carnitine 500mg for Fat Burning & Fitness is 500mg of l carnitine

In addition, OCTN2 protein was detected in exosomes released from HEK293 cells [166], indicating that carnitine and its derivatives may be transported between cells through exosomes, a finding that provides new insights into the role of carnitine and its transporters in exosomes and their functions in intercellular communication and pathological processes

First, the enzyme separates the acetyl portion from the Acetyl-CoA and then adds choline to generate the ACh [51]

1 The problem is that as we age, levels of carnitine decline in all our tissues, reducing cellular energy production and metabolic activity

Phytomedicine, 9, 468474