Table 1.

Ubiquinone and ubiquinol distribution in human tissues.

Organ	Ubiquinone Concentration (µg/g)	Ubiquinol Concentration (µg/g)	References
Heart	132.0	61.0	[14,15]
Kidneys	77.0	75.0
Liver	63.6	95.0
Muscle	39.7	65.0
Brain	13.4	23.0
Pancreas	32.7
Spleen	24.6
Lung	7.9	25.0
Thyroid	24.7
Testis	10.5
Intestine	11.5	95.0
Colon	10.7
Ventricle	11.8
Plasma (µmol/mL)	1.1	96.0