Amazon.com: THORNE Acetyl L Carnitine 500 mg Supports Brain Function, Mood & Healthy Nerve Sensations in the Hands & Feet* Third Party Certified Gluten, Dairy & Soy Free 60 Capsules : PDF) Comparison of pharmacokinetics of L carnitine, Acetyl L carnitine and Propionyl Lcarnitine after single oral administration of L carnitine in healthy volunteers Carnitine and Acetyl L Carnitine. Differences, functions and method of use L carnitine and vitamin C improve the quality of sheep oocytes after in vitro maturation and subsequent pregnancy outcome ScienceDirect