CoQ10 is one of the most important supplements when it comes to supporting egg quality, especially in cases of reduced egg reserve or advanced age. The substance is naturally found in mitochondria – the “powerhouses” of cells – and is needed both for energy production and as an antioxidant. Studies on women undergoing fertility treatment show that preparing with CoQ10 for several months can result in more mature eggs, better embryos and sometimes better IVF results.
This is also why CoQ10, and especially ubiquinol, is highlighted in many modern fertility protocols.
What is the difference between CoQ10 and ubiquinol?
CoQ10 exists in two forms in the body:
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ubiquinone – the oxidized form
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ubiquinol – the reduced, more active form.
Ubiquinol is more easily absorbed and is the form that circulates in the blood of healthy adults. In dietary supplements, many premium brands choose ubiquinol precisely to get:
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higher bioavailability
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more stable levels in the blood
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better conditions for CoQ10 to actually reach the mitochondria.
Why is CoQ10 important for egg cells?
The egg cell is one of the most energy-intensive cells in the body. When it matures, fertilizes, and divides, enormous amounts of energy are required from the mitochondria. This is where CoQ10 comes in as:
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key player in the energy chain (ATP production)
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antioxidant that protects mitochondria and DNA against oxidative stress.
As we age, the body's own levels of CoQ10 decline, while egg cells place higher demands on mitochondria. This is one of the explanations why CoQ10/ubiquinol supplementation is often discussed for women 30+ who want to optimize egg quality.
How long should you take CoQ10 before pregnancy or IVF?
Since the egg maturation process takes about three months, it is wise to give CoQ10 at least that much time to be able to affect eggs that will soon be used. At the same time, both studies and clinical experience suggest that longer preparation provides better conditions.
A reasonable goal might be:
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minimum: 3 months
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Preferably: 6–12 months if possible, especially if egg reserve is reduced or IVF is planned.
Many people choose to continue with a lower maintenance dose even after pregnancy or egg retrieval, but this should be adapted to the individual situation.
How does Fay Hepper's ubiquinol relate to this?
Fay Hepper has chosen ubiquinol as its CoQ10 form specifically to maximize bioavailability and mitochondrial support. The brand targets its ubiquinol products at women and couples who want to:
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strengthen egg and sperm quality
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prepare for IVF or egg retrieval
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support energy metabolism and antioxidant protection during a sensitive period.
The product is often combined with Fay Hepper's fertility multivitamin, omega-3 and probiotics as part of a complete regimen.
Fay Hepper Ubiquinol
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FAQ: CoQ10 and egg quality
Does everyone need to take CoQ10 before pregnancy?
No, but it is especially relevant for women 30+, with reduced egg reserves or before IVF/egg retrieval. Younger women with good egg reserves can sometimes do well with a good foundation (multivitamin, omega-3, lifestyle).
What time of day should you take CoQ10/ubiquinol?
The most important thing is regularity. Many people take it with a meal that contains little fat, as absorption is better then.
Can CoQ10 be combined with other fertility supplements?
Yes, CoQ10 is often combined with fertility multivitamins, omega-3s, vitamin D, and probiotics. When taking concomitant medications or fertility treatments, it is always wise to check with your doctor.
How long can you continue taking CoQ10?
Many people take it continuously for 6–12 months before and during fertility treatment. After that, you can either take a break or reduce the dose, depending on your energy level, age, and goals.