Oral drops and sublingual formulations interact directly with the upper GI lining, which can cause more upper GI symptoms (nausea) but sometimes less lower GI disruption (constipation)
Common gastrointestinal side effects nausea, constipation, and diarrhoea can be reduced through dietary choices such as plain foods, adequate hydration, and gradual fibre increases
Last page review: 2026-04-01
Competition centers on enhancing efficacy, weight-loss outcomes, dosing convenience, oral formulations, and cardiovascular benefits
This may be due to the way L-Carnitine influences cellular energy production and lactate clearance
Shiraishi, D., Fujiwara, Y., Komohara, Y., Mizuta, H., & Takeya, M