Ingredients for mitochondrial health: L carnitine. Used for energy production Maintains mitochondrial function and structure Learn more about L carnitine and five other ingredients we love for supporting mitochondrial health Mitochondrial control of fuel switching via carnitine biosynthesis Science Mito Carnitine is our mitochondrial supplement for those who need carnitine support, one of the most common supplements used to support healthy mitochondrial function. It contains the activated, preferred form, Acetyl L Carnitine. Mito Carnitine, Acylcarnitines and Beta Oxidation Carnitine: Genetic Variants Affecting Mitochondrial Energy and Health