Ubiquinol: Our Natural DNA Repair System

Ubiquinol: Our Natural DNA Repair System

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Oxidative Damage To DNA

DNA is constantly exposed to natural reactive oxygen species (ROS) which may produce oxidative modifications[1]. It is also possible that other chemicals and physical agents also attack the DNA molecule, potentially leading to further oxidative disruption[2].

Cellular Regeneration and Antioxidants

To counteract ROS, our cells also posses DNA repair systems[3]. However, if these repair systems are not sufficient, the ROS may have a long-term impact on our DNA[4]. Antioxidants may counteract ROS, however if exposure to oxidative stress is too excessive, or antioxidant defenses are insufficient, the result may be increased levels of unrepaired DNA[5].

Ubiquinol Defends Against Oxidative Stress

Ubiquinol, as the active form of CoQ10, is a fat-soluble antioxidant found naturally in the body. Ubiquinol has several health benefits, including supporting cardiovascular health[6], assisting cellular energy production[7], supporting sperm motility and morphology[8] and supporting healthy levels of cholesterol in healthy adults[9][10].

Ubiquinol may also help reduce the impact of long-term oxidative stress on the body[11]. As Ubiquinol is an antioxidant, this means that it may be able to help neutralise the free radicals that cause oxidative stress[12].

Why Does Ubiquinol Decline As We Age?

After age 30, our body’s natural levels begin to slowly decline[13]. Ubiquinol is found naturally in foods, such as steak, peanuts, sardines, spinach, avocado, chicken and olive oil. However, trying to replenish the body’s natural levels of Ubiquinol through food alone could lead to consuming excessive amounts of these foods. For example, to reach 100mg of Ubiquinol from food sources alone you would need to eat per day 10kg of broccoli, 20 steaks, 1.5kg of peanuts, 120 cans of sardines, 50 cups of spinach, 60 avocados, 100 table spoons of canola oil, 34 chicken breasts or 133 table spoons of olive oil. If you wish to replenish your body’s natural levels of Ubiquinol, you may wish to consult your healthcare practitioner about supplementing with Ubiquinol.

Before taking a ubiquinol supplement seek medical advice from a doctor or consult your healthcare practitioner to find out whether a supplement is right for you. Always read the label.


[1] Geacintov, NE & Broyde, S. (2010). The chemical biology of DNA damage, Wiley-VCH, Weinheim.

[2] Geacintov, NE & Broyde, S. (2010). The chemical biology of DNA damage, Wiley-VCH, Weinheim.

[3] Geacintov, NE & Broyde, S. (2010). The chemical biology of DNA damage, Wiley-VCH, Weinheim.

[4] Geacintov, NE & Broyde, S. (2010). The chemical biology of DNA damage, Wiley-VCH, Weinheim.

[5] Geacintov, NE & Broyde, S. (2010). The chemical biology of DNA damage, Wiley-VCH, Weinheim.

[6] Kloer, H-U,  Berlardinelli, R, Ruchong, O & Rosenfeldt F. (2020). Heart, Lung and Circulation, 29, 188–195 1443-9506/04. <https://www.heartlungcirc.org/article/S1443-9506(19)31444-1/fulltext>

[7] Alf D, Schmidt ME & Siebrecht SC. (2013). Journal of the International Society of Sports Nutrition, 10:24. <https://www.ncbi.nlm.nih.gov/pubmed/23627788>

[8] Safarinejad MR, Safarinejad S, Shafiei N & Safarinejad S. (2012). The Journal of Urology, 188(2):526-31. <www.ncbi.nlm.nih.gov/pubmed/22704112>

[9] Zlatohlavek L, Vrablik M, Grauova B, Motykova E & Ceska R. (2012). Neuro Endocrinology Letters, 33 Suppl 2:98-101. <www.ncbi.nlm.nih.gov/pubmed/23183519>

[10] Schmelzer C, Niklowitz P, Okun JG, Haas D, Menke T & Döring F. (2011). IUBMB Life, 63(1):42-8. <www.ncbi.nlm.nih.gov/pubmed/21280176>

[11]Sarmiento A, Diaz-Castro J, Pulido-Moran M, Moreno-Fernandez J, Kajarabille N, Chirosa I, Guisado IM, Javier Chirosa L, Guisado R & Ochoa J. (2016). Biofactors, 42(6):612-622.

[12] Sarmiento A, Diaz-Castro J, Pulido-Moran M, Moreno-Fernandez J, Kajarabille N, Chirosa I, Guisado IM, Javier Chirosa L, Guisado R & Ochoa J. (2016). Biofactors, 42(6):612-622.

[13] Barcelos, I., & Haas, R. (2019). CoQ10 and Aging. Biology8(2), 28. <10.3390/biology8020028>

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