when to take l carnitine for running Effect of Acute and Chronic Oral l-Carnitine Supplementation on Exercise Performance Based on the Exercise Intensity: A Systematic Review Liquid L-Carnitine | Energy, Metabolism

No adverse effects were reported in the two studies on humans discussed above

Ingredients Carbonated Water, Acid (Citric Acid), Taurine (0.4%), Acidity Regulator (Sodium Citrate), Flavourings, Panax Ginseng Root Extract (0.08%), Sweeteners (Sucralose, Acesulfame K), Caffeine (0.03%), Preservatives (Sorbic Acid, Benzoic Acid), L-Carnitine L-Tartrate (0.015%), Vitamins (B3, B5, B6, B12), Sodium Chloride, D-Glucronolactone, Guarana Seed Extract (0.002%), Inositol

So you want to entrain those receptors

In the context of progressive supranuclear palsy (PSP), two randomized clinical trials investigated the effects of CoQ10