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CoQ10 Fertility 

CoQ10 is a powerful antioxidant that can protect sperm quality, but it’s rarely included in multivitamins. Add CoQ10 to your existing supplement routine to support healthy sperm production.

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The CoQ10 Fertility Supplement is best for anyone who already has a vitamin or supplement routine or “stack,” but wants to add an antioxidant that supports healthy sperm production. This includes:

  • People who are trying to conceive or are planning to start a family soon.
    Sperm takes about 72 days to produce. That means it will take at least 2–3 months for any changes you make to have a measurable impact on your sperm health — so we recommend proactively optimizing your sperm health.
  • Those who are undergoing fertility treatment.
    Fertility treatment is expensive and complex. Maximize your chances of success with each cycle by ensuring your sperm are the healthiest they can be.
  • Those who want to improve sperm quality before freezing their sperm.
    If you’re freezing your sperm in the next 2–3 months, taking CoQ10 beforehand can ensure you’re preserving the healthiest possible sample.

Always talk to your doctor before starting any supplement regimen.

Each softgel contains 100mg of CoQ10 (ubiquinone). The recommended dosage is 2–3 softgels, or 200–300mg of CoQ10, per day.

Inactive ingredients: organic olive oil, sunflower lecithin, gelatin, glycerin, purified water, and natural colors.

These softgels do not contain gluten, dairy, soy, fish, preservatives, genetically modified ingredients, sugar or sweeteners, or artificial colors or flavors.

Monthly payments with Splitit

Break the cost of semen analysis and sperm freezing into easy monthly payments with 0% financing. Select Splitit during checkout for flexible payment plans from 2–12 months. No hard credit checks or interest charged.

Payment methods accepted

No gluten
No dairy
No preservative or dyes
No sweeteners or sugar
NSF-certified manufacturer
GMP-certified manufacturer
USA made

What to expect

Easy-to-swallow softgels
A two- or three-month supply of small, easy-to-swallow softgels with no smell or aftertaste.
Powerful evidence-based dose
Studies show 200–300 mg of CoQ10 daily is most likely to improve sperm health — yet most male fertility supplements contain much lower doses. Taking 2–3 of our CoQ10 softgels daily is the best way to get this evidence-based dose.
No preservatives or common allergens
Our CoQ10 softgels are free from gluten, dairy, soy, fish, preservatives, genetically modified ingredients, or artificial colors or flavors.
Sustainable packaging
Durable glass packaging with minimal plastic.

The details

Research-backed active ingredients.



The science


Clinical studies

Each softgel contains 100mg CoQ10 (ubiquinone), organic olive oil, sunflower lecithin, gelatin, glycerin, purified water, and natural colors.
CoQ10 is an antioxidant. Antioxidants protect the body’s cells against free radicals and oxidative stress.

Free radicals are unstable molecules produced as natural byproducts of daily life, such as toxin exposure, illness, and poor lifestyle.

If left unchecked, free radicals can cause damage to our cells. This damage is known as “oxidative stress,” and can be detrimental to the health of your sperm.

Antioxidants such as CoQ10 neutralize free radicals and prevent damage. That’s why CoQ10 may support the production of healthy sperm.

Additionally, there is evidence that CoQ10 supplementation can enhance your heart health, brain health, and overall wellness.
Balercia et al, 2009: Patients with reduced sperm motility were treated with CoQ10, 200mg per day for 6 months. Supplementation was associated with increased antioxidant levels in semen and improved sperm motility (by about 19%).

Nadjarzadeh et al, 2013: Men with low sperm count and poor motility/morphology received 200mg of CoQ10 daily for 3 months. Compared to the placebo group, the supplement group had a significant improvement in sperm morphology.

Safarinejad et al, 2012: Men with unexplained infertility were treated with 200mg of CoQ10 daily for 26 weeks. Supplementation was associated with a statistically significant improvement in sperm concentration, motility, and morphology.

Safarinejad, 2009: Men with low sperm count and poor motility/morphology received 300mg of CoQ10 daily for 26 weeks. A positive correlation was found between CoQ10 treatment and sperm count, motility, and morphology.

Thakur et al, 2015: Sixty men were treated with 150mg of CoQ10 daily. After 6 months of supplementation, sperm count was increased by 53%, along with significant improvement in sperm motility.

Vishvkarma et al, 2020: Pooling data from three clinical trials on CoQ10, researchers found that supplementation had a profound effect on sperm motility, and that the ideal treatment period was 3–6 months.

Compared to other supplements, there is a good level of scientific evidence supporting the potential benefit of CoQ10 for male fertility. This antioxidant might improve semen parameters, including sperm quantity and quality.

Dr. Ramy Abou Ghayda, urologist, researcher, Legacy Chief Medical Officer

Frequently asked questions

CoQ10 may help enhance sperm health. This is especially important for men who are trying to conceive or men who are considering sperm freezing.

No. Legacy’s Male Fertility Supplement is a comprehensive multivitamin that already includes 300 mg of CoQ10 daily. Therefore, you don’t need to add CoQ10 to your regimen.

CoQ10 is best for you if you already take a daily multivitamin or a vitamin “stack” that contains the ingredients in the Male Fertility Supplement. The Male Fertility Supplement is best for you if you’re looking for a comprehensive multivitamin that addresses all aspects of fertility.

The recommended dosage is 2–3 softgels, or 200–300mg of CoQ10, per day. Do not exceed the recommended dosage.
Sperm production takes 2–3 months, so it may take 3–6 months to see the positive effect of CoQ10 supplementation. We recommend supplementing with CoQ10 for up to 6 months or as directed by your doctor.
When taken at the recommended dosage, side effects are rare and mild. While CoQ10 is safe overall, we recommend talking to your doctor before starting any new regimen.
Supplements aren’t a silver bullet—they’re just one small part of sperm health improvement. Lifestyle changes such as a healthy diet, moderate exercise, and enough sleep are important for your fertility, as is quitting smoking and reducing alcohol consumption. See your personalized recommendations (part of your Legacy semen analysis report) or our Guide to Sperm Improvement for more information.
If you have a flexible spending account (FSA), health savings account (HSA), or health reimbursement arrangement (HRA), Legacy's CoQ10 supplements may be eligible for coverage if it's recommended by your healthcare provider. We recommend consulting your doctor and checking with your benefits coordinator to understand any specific requirements for reimbursement, such as a letter of medical necessity, or limits on usage or protocols. If your purchase is eligible, you can use your HSA/FSA card or submit your itemized receipt — sent to your inbox after purchasing — for reimbursement.
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