The right one depends on your other conditions, insurance coverage, tolerance, and goals which is exactly why this belongs in a rheumatologists hands, not a weight-loss clinics
Have you considered using one of these weight loss drugs for yourself
zwitterionic small molecule Purity: Manufactured to 99 % chemical purity (typical, specification-based) Appearance: Clear liquid
Since the body can produce carnitine from lysine and methionine, which must be obtained through the diet, and there are some direct dietary sources of carnitine, the effectiveness of carnitine supplementation will depend on how much lysine, methionine, and carnitine are consumed through your normal diet
doi:10.1016/j.bpj.2019.09.046 136