If at 67 my heart is ok so far, but have 5 years of hypertension, how to know what is the ubiquinol levels in my body so i can supplement correctly?

Ubiquinol: The most common laboratory procedures used for diagnosis of CoQ10 deficiency are based on high-pressure liquid chromatography with ultraviolet (HPLC-UV) or electrochemical (HPLC-ED) detection systems. Other procedures, such as tandem-mass spectrometry, have been employed for tissue CoQ10 assessment. From:Mol Syndromol. Jul 2014; 5(3-4): 147–155. Delia Yubero,a Raquel Montero,a Rafael Artuch,a John M. Land,b Simon J.R. Heales,c and Iain P. Hargreavesb,*