CoQ10 – Coenzyme Q10

Coenzyme Q10 is an endogenously produced compound present in human cells (9,11). It plays a fundamental role in mitochondrial energy metabolism as a key component of the electron transport chain, where it supports the production of adenosine triphosphate (ATP) (11,14). Beyond its role in bioenergetics, CoQ10 functions as a potent antioxidant, protecting cellular structures from oxidative stress and free radical–induced damage (8,9). Its antioxidant activity contributes to cardiovascular health (2,15), supports healthy aging processes (9) and enhances immune function.  

Mechanisms of Action and Biological Effects

CoQ10 acts as a coenzyme in oxidative phosphorylation, ensuring efficient mitochondrial ATP generation. Its antioxidant and anti-inflammatory properties contribute to several clinically relevant physiological benefits (15), including:

• Cardiovascular Support: Improvement of endothelial function and reduction of oxidative stress (1,2,3)
• Statin-Associated Myopathy Relief: Reduction of muscle discomfort by restoring statin-depleted CoQ10 levels (4,11)
• Enhanced Energy & Physical Performance: Improved mitochondrial efficiency leading to elevated energy and exercise capacity (5,14,15)
• Neuroprotection: Potential slowing of age-related cognitive decline and reduced neural oxidative damage (6, 10, 12)
• Fertility Support: Protection of reproductive cells through antioxidant activity (7,15)

On a molecular level, CoQ10 modulates gene expression involved in inflammation and apoptosis, decreases lipid peroxidation, and stabilizes cellular membranes (11,15).  

Precautions

• Do not use this product during pregnancy or breastfeeding unless advised by a healthcare professional.
• Consult your physician before use, if you are taking prescription medications.
• Discontinue use if any unusual symptoms occur.

International Shipping Policy

For customers ordering from outside Europe (including Russia), we recommend placing a minimum order of three products to optimize shipping costs, though this is not mandatory. For large orders (100 units or more), please contact orders@wel-nutra.com. All shipments are handled through trusted logistics partners. Upon dispatch, you will receive an email with tracking information. Please note:

• Customers are responsible for monitoring their shipment and paying any applicable customs or import duties.
• If an order is returned to us, the product cost will be refunded, but shipping fees are non-refundable.

To place a new order, visit Wel-Nutra. Scientific References

1. Effects of coenzyme Q10 on endothelial and cardiac function in patients undergoing haemodialysis: study protocol for a pilot randomised controlled trial, Yongxing Xu, Xinlou Li, Xiaowen Zuo, Huaping Jia, Enhong Han, Fugui Liang, Lei Xie, Jianjun Gao, BMJ open 2020
2. The use of CoQ10 in cardiovascular diseases, Yoana Rabanal-Ruiz, Emilio Llanos-González, Francisco Javier Alcain, Antioxidants 2021
3. Efect of Coenzyme Q10 Supplementation on Vascular Endothelial Function: A Systematic Review and Meta‑Analysis of Randomized Controlled Trials, Shahrzad Daei, Azam Ildarabadi, Sima Goodarzi, Mohsen Mohamadi‑Sartang, High Blood Pressure Cardiovascular Prevention 2024
4. Effects of Coenzyme Q10 on Statin-Induced Myopathy: An Updated Meta-Analysis of Randomized Controlled Trials, Hua Qu, Ming Guo, Hua Chai, Wen-ting Wang, Zhu-ye Gao, Da-zhuo Shi, Journal of the American Heart Association 2025
5. Effect of Coenzyme Q10 on Physical Performance in Older Adults with Statin-Associated Asthenia: A Double-Blind, Randomized, Placebo-Controlled Clinical Trial, Federica Fogacci, Marina Giovannini, Giuliano Tocci, Egidio Imbalzano, Claudio Borghi and Arrigo F. G. Cicero, Journal of Clinical Medicine 2024
6. Coenzyme Q10 and Cognition: A Review, Madeleine C. Nankivell, Franklin Rosenfeldt, Andrew Pipingas, Matthew P. Pase, Jeffery M. Reddan and Con Stough, Nutrients 2025
7. Coenzyme Q10 Improves Sperm Parameters, Oxidative Stress Markers and Sperm DNA Fragmentation in Infertile Patients with Idiopathic Oligoasthenozoospermia, Ahmed T. Alahmar, Aldo E. Calogero, Pallav Sengupta, Sulagna Dutta, Thi-Qar, World J Mens Health 2021
8. Effects of coenzyme Q10 administration on blood pressure and heart rate in adults: A systematic review and meta-analysis of randomized controlled trials, Mehdi Karimi^, Samira Pirzad^, Farnaz Hooshman, Niyousha Shirsalimi^, Seyed Morteza Ali Pourfaraji, International Journal of Cardiology Cardiovascular Riskand Prevention 2025
9. Effects of acute and 14-day coenzyme Q10 supplementation on exercise performance in both trained and untrained individuals, Matthew Cooke, Mike Iosia, Thomas Buford, Brian Shelmadine, Geoffrey Hudson, Chad Kerksick, Christopher Rasmussen, Mike Greenwood, Brian Leutholtz, Darryn Willoughby and Richard Kreider, Journal of the International Society of Sports Nutrition 2008
10. Coenzyme Q10 and Dementia: A Systematic Review, Félix Javier Jiménez-Jiménez,Hortensia Alonso Navarro, Elena García-Martín and José A. G. Agúndez, Antioxidants 2023
11. Coenzyme Q10 for the treatment of heart failure: a review of the literature, James J DiNicolantonio, Jaikrit Bhutani, Mark F McCarty, James H O’Keefe, Open heart 2015
12. Neuroprotective effects of coenzyme Q10 on neurological diseases: A review article, Shokufeh Bagheri, Rasool Haddadi, Sahar Saki, Masoumeh Kourosh-Arami, Masome Rashno, Ali Mojaver and Alireza Komaki, Frontiers in Neuroscience 2023
13. The Effect of Coenzyme Q10 on Morbidity and Mortality in Chronic Heart Failure Results From Q-SYMBIO: A Randomized Double-Blind Trial, Svend A. Mortensen, Franklin Rosenfeldt, Adarsh Kumar, Peter Dolliner, Krzysztof J. Filipiak, Daniel Pella, Urban Alehagen, Günter Steurer, Gian P. Littarru, JACC : HEART FAILUR E 2014
14. Coenzyme Q10 Supplementation and Its Impact on Exercise and Sport Performance in Humans: A Recovery or a Performance-Enhancing Molecule?, Franchek Drobnic, Antonia Lizarraga, Alberto Caballero-García and Alfredo Cordova, nutrients 2022

15. Role of Coenzyme Q10 in Health and Disease: An Update on the Last 10 Years (2010–2020), Ilenia Cirilli, Elisabetta Damiani, Phiwayinkosi Vusi Dludla, Iain Hargreaves, Fabio Marcheggiani, Lauren Elizabeth Millichap, Patrick Orlando, Sonia Silvestri and Luca Tiano, Antioxidants 2021