Coenzyme Q10 Capsule: Uses, Dosage, Side Effects, Precautions and Alternates

Quick overview

Coenzyme Q10 Capsule is an antioxidant supplement that may support heart and blood vessel health and help protect cells from damage. It is sometimes used for migraines, heart failure, and high blood pressure. The FDA has not evaluated this supplement for any medical use.

What is Coenzyme Q10 Capsule

Coenzyme Q10 Capsule contains Coenzyme Q10, an antioxidant supplement. It may support heart and blood vessel health and helps protect your cells from damage. The FDA has not evaluated this supplement for any medical use.

Coenzyme Q10 Capsule uses

• Migraines
• Heart failure
• High blood pressure

Benefits of Coenzyme Q10 Capsule

• May help improve treatment outcomes for people with heart failure
• May help with fertility
• May support skin health as you age
• May reduce migraine frequency and severity
• May benefit exercise performance
• May help with diabetes management by improving insulin sensitivity and blood sugar regulation
• May play a role in cancer prevention by reducing oxidative stress
• May benefit brain health
• May have a protective effect on the lungs

How Coenzyme Q10 Capsule works

Coenzyme Q10 is found in the mitochondria of cells, where it plays a key role in producing energy for the body. It also acts as an antioxidant, helping to protect cells from damage.

Coenzyme Q10 Capsule dosage

Take this medication by mouth with water. Take it as directed on the package labeling or as directed by your care team. Take it with a high-fat meal, since it is fat-soluble and taking it with food helps your body absorb it better. Do not take it more often than directed. Talk to your care team about use in children, since special care may be needed.

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, just take that one dose. Do not double up.

Available forms and strengths

• Capsule
• Tablet

Side effects of Coenzyme Q10 Capsule

Common

• Diarrhea
• Heartburn
• Nausea
• Trouble sleeping
• Upset stomach

Serious

• Allergic reactions—skin rash, itching, hives, swelling of the face, lips, tongue, or throat

Warnings and precautions

• This supplement may interact with medications for high blood pressure and with warfarin, a blood thinner. It may also reduce how well warfarin works. Inform your doctor if you take blood thinners such as warfarin.
• Herbal and dietary supplements are not regulated like medications, so their purity and strength can vary. The safety and effects of this supplement for treating a specific disease are not well known, and it is not intended to diagnose, treat, cure, or prevent any disease.
• People who are at risk of gastrointestinal bleeding should be cautious, since a case of severe gastrointestinal bleeding was reported in one study, though this appears to be rare.
• Some CoQ10 products have been found to contain different amounts of the ingredient than what's on the label, and some may absorb poorly due to slow disintegration.
• There is limited research on using this supplement during pregnancy, so caution is advised. Tell your care team if you are pregnant or trying to get pregnant.
• Coenzyme Q10 occurs naturally in breast milk, but there isn't enough research on taking it as a supplement while breastfeeding, so caution is advised. Tell your care team if you are breastfeeding.
• Consult a doctor before use if you are pregnant or breastfeeding, for kidney-related precautions.
• Tell your health care provider if you drink alcohol, since it may interact with your medication.
• Stop use if allergic reactions or unusual symptoms occur, including while driving.

Storage

• Keep out of the reach of children and pets.
• Store at room temperature or as directed on the package label.
• Get rid of any unused medication after the expiration date.
• Take the medication to a medication take-back program; check with your pharmacy or law enforcement to find a location.
• If you cannot return the medication, check the label or package insert to see if it should be thrown out in the garbage or flushed down the toilet. If unsure, ask your care team.
• If it is safe to put in the trash, empty the medication out of the container, mix it with cat litter, dirt, coffee grounds, or other unwanted substance, seal the mixture in a bag or container, and put it in the trash.

When to see a doctor

• Report allergic reactions to your care team right away, including skin rash, itching, hives, or swelling of the face, lips, tongue, or throat.
• If you think you have taken too much of this medicine, contact a poison control center or emergency room right away.
• Visit your care team for regular checks on your progress and tell them if your symptoms do not improve or get worse.

Alternatives

• L-Carnitine
• Alpha-Lipoic Acid
• Omega-3 Fish Oil
• Magnesium Supplements