Low bioavailability = no meaningful effect, Oral L carnitine has very low bioavailability., Most of it isnt absorbed, and even what is doesnt increase fat burning., ., ., ., ., #workout #malayalam Pharmacokinetics of L Carnitine Clinical Pharmacokinetics Springer Nature Link Carnitine: the claims and why it may not work IV Carnitine Therapy Energy Boost & Metabolism Support Minnerva Clinic Pharmacokinetics of L Carnitine Clinical Pharmacokinetics Springer Nature Link