l carnitine dietary sources Carnitine: the claims and why it may not work What is Carnitine?

A small change in the molecule allows the drug to last weeks in our bodies rather than the natural version our bodies make, which only lasts minutes

This reaction is a rate-controlling step for the -oxidation of fatty acid (13)

Supplementation in high doses (over 1000 mg) relatively shortly before training appears to be advisable, as circulating L-carnitine - in contrast to muscle carnitine - presumably has a vascular-protective effect against oxidative damage in the microvascular area

However, the study did not include a control group, which limits the ability to attribute observed effects solely to L-carnitine supplementation

If the unit expires, discard it

The safety and effectiveness of L-carnitine administration remain an issue for scientific investigation