L Carnitine 1500 mg with Vitamin B Promote Physical Performance MaxionNutrition My go to supplement routine to stay locked in for summer Pre workout: I always start with Oxyshred, it's my fav for that clean energy and focus before training. My top flavors are High Strength Liquid L Carnitine 5000 Mg, 16 Oz (473 ML) eBay L Carnitine Force Factor @oxyshred is that girl frrr. My go to combo of oxyshred and L carnitine has been making my journey on my cut way easier. Other factors do come into play but i take this supplement every single day