Risks and Benefits of Carnitine Supplementation in Diabetes Early research into L carnitine was often cited as underwhelming, showing negligible changes in muscle carnitine content and fat loss outcomes. However, these findings may have been limited by a short study window Acetyl L Carnitine vs L Carnitine: 4 Key Differences Momentous KANGAROO MEAT & L CARNITINE HEALTH RISK Comparison of short term and long term effects of peroral L carnitine intake: clinical implications of elevated TMAO levels in cardiovascular complications