does l-carnitine keep you awake doesn't magically burn fat, it helps your body use fat as energy. Combine it with training and consistency, and you'll feel the difference @Marybosch shows us how L-Carnitine will boost your Does L-Carnitine Really Work? An
Description
Knapp M European journal of case reports in internal medicine 2025

It also increases exercise performance as it uses fat for energy, which leads to better energy production and expenditure during any physical activity, leading to a greater weight drop

Surprisingly, intervention longer than 24 weeks showed no significant effect on BMI [40]

Pediatr Clin North Am

Propionyl-L-carnitine: This form helps increase levels of nitric oxide in the body, which dilates the blood vessels to promote better blood flow