They may not be appropriate for people with certain medical conditions, and they may not be the best choice for people looking for short-term weight loss only
You should consult with a health care professional before starting any diet, exercise or supplement program, before talking any medication, if you are pregnant or suspect you are prenant, if you are nursing, or if you suspect you might have a health problem
However, only the L-carnitine isomers participate in the lipid metabolism ( via three pathways, namely dietary absorption, limited synthesis rate, and effective renal reabsorption ( Figure 1 The hydroxyl group on carnitine can combine with organic acids or fatty acids to form different short-chain, medium-chain, and long-chain esters, namely ACs
The participants provided their written informed consent to participate in this study