L Carnitine for Cutting vs Bulking: How It Works in Both Phases L carnitines acts as a fat burning supplement. During bulking periods, it can help limit fat gains and make a cleaner bulk. If youre cutting, it can help transport the fat you have into your PE Nutrition L Carnitine 30 Tablets 500mg Carnitine 1000 Increases fat burning, saves sugars Etixxsports Beyond the health concerns of over consuming, dirty bulking hasn't been shown to have the promised athletic benefits and shouldn't be promoted. It increases your fat and your risk of chronic disease without