aka CoQ10, also ubiquinone
- Helps create ATP (intimately linked to Vitamin B2/Vitamin B3), free radical scavenger (antioxidant). helps against peroxidation (oxygen and unsaturated fats) like Vitamin E but is not destroyed in the process.
- Can be manufactured by the body
- Seafood: White albacore tuna is the highest ranked. Polyunsaturated oils (e.g soybean oil)