CAN I USE ACETYL L CARNITINE TO PREVENT AGEING? The amino acid acetyl L carnitine boosts mitochondrial energy production through its ability to facilitate fatty acid transport and oxidation in the cell. Since 1995, Life When to Take L Carnitine for Optimal Training Benefits Transparent Labs How L Carnitine Helps with Fat Metabolism Acetyl L Carnitine and Erectile Dysfunction NIH: What the Research Actually Shows Role of L carnitine in female infertility Reproductive Biology and Endocrinology Springer Nature Link L Carnitine is Underrated. New Meta Review Reminds Us Why.