l carnitine liquid от optimum nutrition L-Carnitine L-Carnitine Supplement | Liquid L-Carnitine
Description
Figure 2 ALC regulated hepatic mRNA and protein levels of cholesterol metabolism-related genes in mice To clarify the mechanism by which ALC affects plasma lipid levels in mice, we analyzed hepatic gene and protein expression related to cholesterol metabolism

Hamed, A.H

These effects are usually temporary and can be avoided by taking the supplement with food

While researching I found that lamb has the highest level of naturally occurring carnitine at 45 mg of carnitine per ounce of meat
