l arginine plus l carnitine Acetyl-L 500 mg, Amino Acid, Suppots Brain & Nerve Health, N – Heivy and caffeine L-Carnitine – The Healthway Store

For moderate exercise, the effect is more limited

Key benefits to optimised L-Carnitine levels and fat metabolism include: Increased rate of fatty acid oxidation, particularly during moderate-intensity exercise Reduced accumulation of metabolic waste products such as lactic acid Improved utilisation of stored body fat as an energy substrate Enhanced endurance during sustained physical activity Support for weight management alongside a balanced diet and regular exercise How do L-Carnitine Injections Work

Intramuscular (IM) Injections IM injections deliver medication deeper into the muscle, where it can be absorbed into the bloodstream more quickly

The science does not guarantee a better outcome but a formulation switch is a reasonable personal experiment