nature's way l-carnitine 500 mg L-Carnitine, Veggie Capsules L-Carnitine Tablets for Energy Support
Description
Natural Food Sources If you recall from the beginning of this discussion, you can find L-carnitine naturally in foods like red meat, dairy, and fish

doi: 10.1186/s13195-019-0485-0 45 Har-EvenM.RubovitchV.RatliffW

However, you might be aware of Mo Farah having been questioned over his L-Carnitine supplementation before the 2014 London Marathon
Can I request a sample for quality evaluation
