Carbamide Forte L Carnitine Liquid 3300mg Per Serving Carnitine Supplement with Added Vitamins Green Apple Flavour 30 Servings 450ml, 500 Millilitre : Amazon.in: Health & Personal Care Customer reviews for Nutricost L Carnitine Tartrate Supplement Powder (100 Grams) 1 Gram per Serving; 100 Servings Walmart.com L CARNITINE Genetix Nutrition Amazon.com: Ronnie Coleman Signature Series L Carnitine XS 3000 Liquid, Amino Acids Metabolism and Lean Muscle Strength Support, Stimulant Free, Sugar Free, Zero Carbs, Orange Smash, 16 Oz : Health & Household Did You Know? Some people report a fishy smell after supplementing with L carnitine. This happens because certain gut bacteria convert carnitine to trimethylamine, a malodorous compound found in rotting fish.