How to Improve egg quality, embryo development and pregnancy rates

Aug 30, 2023

How to Improve egg quality, embryo development and pregnancy rates

Numerous challenges often accompany the journey to parenthood, and for many couples, struggles with fertility can be disheartening. While various factors contribute to fertility issues, recent research has shed light on the potential benefits of supplementing with Coenzyme Q10 (COQ10) to improve fertility. This article will delve into the science-backed advantages of COQ10 supplementation for enhancing fertility, supported by relevant references.

COQ10: An Overview

Coenzyme Q10, also known as COQ10, is a naturally occurring compound found within the cells of the human body (1). It primarily supports energy production through adenosine triphosphate (ATP) during cellular respiration (1). Additionally, COQ10 is renowned for its powerful antioxidant properties, which help to combat oxidative stress and prevent cellular damage (1). Although COQ10 is produced naturally in the body, its levels typically decrease as you get older, which can result in various health issues, such as fertility issues (2).

Boosting Oocyte Quality

Oocyte quality plays a pivotal role in female fertility, and its decline can contribute to difficulties in conceiving. Several studies have explored the link between COQ10 supplementation and improved oocyte quality. One study observed that women who received COQ10 supplementation exhibited enhanced oocyte quality, improving embryo development and pregnancy rates (3). This improvement is attributed to COQ10's role in protecting cellular components from oxidative damage, promoting healthier oocyte development (3).

Enhancing Sperm Health

Male infertility is equally vital in the fertility equation, and COQ10 supplementation has shown promising effects on sperm health. Sperm cells are susceptible to oxidative stress, impairing motility and DNA integrity. One study found that COQ10 supplementation significantly increased sperm count, motility, and morphology (4). These findings suggest that COQ10's antioxidant properties contribute to preserving sperm quality and improving overall male fertility. 

Mitochondrial Support and Energy Production

Mitochondria are commonly referred to as the "powerhouses" of cells because they generate the energy needed for numerous cellular functions, such as fertilization. COQ10 plays a crucial role in mitochondrial function by facilitating electron transport within the mitochondrial respiratory chain. In the context of fertility, adequate mitochondrial function is essential for the energy-demanding processes of oocyte maturation, sperm motility, and embryo development. Research highlights the significance of COQ10 in maintaining optimal mitochondrial function, thereby supporting fertility (5).

Reducing Oxidative Stress

Oxidative stress, characterized by an imbalance between free radicals and antioxidants, can negatively impact fertility by damaging reproductive cells and impairing reproductive function. COQ10's potent antioxidant properties help neutralize harmful free radicals, mitigating oxidative stress and its detrimental effects on fertility. Research suggests that COQ10 supplementation reduced oxidative stress markers in infertile men, improving semen parameters (6), indicating that COQ10's antioxidant effects contribute to a more favorable reproductive environment.

Supporting Assisted Reproductive Techniques

Couples undergoing assisted reproductive techniques, such as in vitro fertilization (IVF), often face additional challenges in achieving pregnancy. COQ10 supplementation has been investigated as a potential adjunct therapy to enhance the success of ART procedures. Several studies have concluded that COQ10 supplementation improved embryo quality, implantation rates, and pregnancy outcomes in women undergoing IVF (7). These findings highlight the potential of COQ10 to enhance the effectiveness of ART procedures. 

The journey to parenthood can be challenging, particularly for couples facing fertility issues. However, emerging scientific research offers a glimmer of hope through the potential benefits of COQ10 supplementation. From improving oocyte and sperm quality to supporting mitochondrial function and reducing oxidative stress, COQ10 demonstrates its prowess in positively impacting fertility. As always, it's essential to consult a healthcare professional before embarking on any supplement regimen, especially if you're trying to conceive. While COQ10 may not be a panacea, its potential benefits present an exciting avenue for those seeking to enhance their fertility journey.

Discover our Fab CoQ10, which includes CoQ10 and other essential supplements to enhance your fertility.


  1. Testai L, Martelli A, Flori L, Cicero AFG, Colletti A. Coenzyme Q10: Clinical Applications beyond Cardiovascular Diseases. Nutrients. 2021 May 17;13(5):1697.
  2. de Barcelos IP, Haas RH. CoQ10 and Aging. Biology (Basel). 2019 May 11;8(2):28.
  3. Bentov Y, Hannam T, Jurisicova A, Esfandiari N, Casper RF. Coenzyme Q10 Supplementation and Oocyte Aneuploidy in Women Undergoing IVF–ICSI Treatment. Clin Med Insights Reprod Health. 2014 Jun 8;8:31–6.
  4. Lafuente R, González-Comadrán M, Solà I, López G, Brassesco M, Carreras R, et al. Coenzyme Q10 and male infertility: a meta-analysis. J Assist Reprod Genet. 2013 Sep;30(9):1147–56.
  5. Ben-Meir A, Burstein E, Borrego-Alvarez A, Chong J, Wong E, Yavorska T, et al. Coenzyme Q10 restores oocyte mitochondrial function and fertility during reproductive aging. Aging Cell. 2015 Oct;14(5):887–95.
  6. Alahmar AT, Calogero AE, Sengupta P, Dutta S. Coenzyme Q10 Improves Sperm Parameters, Oxidative Stress Markers and Sperm DNA Fragmentation in Infertile Patients with Idiopathic Oligoasthenozoospermia. World J Mens Health. 2021 Apr;39(2):346–51.
  7. Xu Y, Nisenblat V, Lu C, Li R, Qiao J, Zhen X, et al. Pretreatment with coenzyme Q10 improves ovarian response and embryo quality in low-prognosis young women with decreased ovarian reserve: a randomized controlled trial. Reprod Biol Endocrinol. 2018 Mar 27;16:29.