Amazon.com: iSatori L Carnitine 1500, Triple Blend Liquid L Carnitine Supplement, with Acetyl & Tartrate, Stimulant Free Energy, No Calories, Sugar or Gluten, Keto Friendly, Pink Lemonade (24 Servings) : Health & Household What is the safest maximum daily dose of L Carnitine (L Carnitine) Levocarnitine Tablets (330 mg) Levocarnitine Oral Solution (1 g 10 mL multiple unit container) Levocarnitine Oral Solution (Sugar Free) (1 g 10 mL multiple unit container) For oral use only. Not for parenteral use. L Carnitine Linus Pauling Institute Oregon State University