l carnitine injection in uae L-Carnitine 100ML – Trusted & Effective Red Rex L-Carnitine Shots Liquid:

Endogenous peroxidases were neutralized with hydrogen peroxide (0.3% in PBS for 20 min)

Curative effect of L-carnitine supplementation in the treatment of male infertility

So if you have trimethylaminuria, frequently taking choline-containing vitamins could lead to a buildup of trimethylamine and result in a fishy body odor

Transport of Fatty Acids into Mitochondria Within cells, long-chain fatty acids are dependent on esterification with L-carnitine to form acetyl-carnitine in order to be transported from the cytoplasm to the mitochondrial matrix for oxidation and energy production (Figure 2)

More studies need to be done to know for sure though