Fatty Acid Transport an overview ScienceDirect Topics L Carnitine is Underrated. New Meta Review Reminds Us Why. Nutritional and Hormonal Regulation of Citrate and Carnitine Acylcarnitine Transporters: Two Mitochondrial Carriers Involved in Fatty Acid Metabolism Short Note On Carnitine Shuttle: Fatty acids are oxidized in mitochondria, and synthesized in the cytoplasm. Long chain fatty acids must form an active intermediate, fatty acyl CoA, before being oxidized inside mitochondria. Catherine