Acetyl-L-carnitine (ALCAR) is an acetylated form of L-carnitine used to support mitochondrial and nerve function. Evidence is strongest for some neuropathies and mixed for cognitive decline; claims of major fat-loss effects are not well supported. Consult a clinician before use.
CoQ10 is a mitochondrial compound involved in energy production and antioxidant protection. Supplements may help heart failure, migraines, and some statin-related issues, but evidence varies by condition. Discuss dose and interactions with your clinician.
Alpha-lipoic acid is a mitochondrial cofactor and antioxidant with clinical support for reducing symptoms of diabetic neuropathy. It is available from small dietary sources and in supplement form; evidence for other claimed benefits is limited or mixed.