Core Champs L Carnitine 3000mg JNK Nutrition L carnitine is a naturally occurring amino acid structure that is made in the human brain, liver, and kidneys. L carnitine plays a critical role in energy production, as it converts fat into energy. AP Regimen L Carnitine Liquid Fat Metabolizer 3000mg Zero Calories, Carbs or Sugars Stimulant Free Keto Friendly 16oz 31 Servings (Rainbow Candy) Buy Now with Express International Delivery GoSupps.com Liquid L Carnitine 1000mg CoQ10 100mg Amazon.com: L Carnitine 3000 Liquid 3000 mg Carnitine Supplement Zero Calorie Zero Sugar Keto Friendly for Men and Women Great Tasting 31 Servings (Patriot Pop, 16 fl. oz.) : Health & Household