You may have seen CoQ10 on a supplement label and wondered what it actually does, how much you need, or what to look for when choosing a CoQ10 supplement. If you're comparing 300 mg softgels, different CoQ10 forms, or formulas that include vitamin E, the Supplement Facts label is a useful place to start.
What Is CoQ10?
CoQ10 is short for coenzyme Q10. You may also see it written as Co Q 10 or Q10 on product listings. It is found throughout the body and helps cells make energy. Its antioxidant role means it also helps protect cells from oxidative stress as part of normal body function. The body makes CoQ10, and small amounts are present in foods. The National Center for Complementary and Integrative Health (NCCIH) explains CoQ10's uses and safety.
For some people, that is why a CoQ10 supplement becomes a consideration. A supplement provides a measured amount of CoQ10, but it does not replace a balanced diet, healthy lifestyle habits, or medical care.
What's in OTS CoQ10 300 mg Softgels?
Each softgel provides 300 mg of CoQ10 along with vitamin E. The bottle contains 30 softgels, with one softgel per serving. The softgel formula also lists medium-chain triglycerides and other ingredients in the capsule and filling.
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Product detail |
OTS CoQ10 300 mg |
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CoQ10 per serving |
300 mg |
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Vitamin E |
Included; see the current Supplement Facts label for its amount and Daily Value |
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Serving size |
1 softgel |
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Servings per bottle |
30 |
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Suggested use |
1 softgel daily, or as recommended by a healthcare professional |
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Other ingredients |
D-limonene oil, gelatin, glycerin, purified water, mixed tocopherols, red radish powder, carob extract concentrate, caramel liquid, and medium-chain triglycerides |
The softgel contains gelatin, so it is not a vegetarian or vegan capsule. The product information supplied for this guide says it is made without gluten and corn. Always check the current package if an ingredient or allergen is important to you.
Why include vitamin E?
Vitamin E is an essential, fat-soluble nutrient with antioxidant activity. Its presence is a feature of this formula. However, “includes vitamin E” should not be confused with proof that this specific product is absorbed better than all other CoQ10 products. The amount and form of vitamin E on the current label matter when comparing supplements. NIH's vitamin E fact sheet explains the nutrient and its food sources.
Is 300 mg of CoQ10 Right for You?
More milligrams do not automatically mean a better choice. CoQ10 products come in different strengths, including 100 mg, 200 mg, and 300 mg per serving. OTS provides 300 mg in one softgel, which may appeal to someone who has been advised to use that amount and prefers a single daily serving.
If you are new to CoQ10, do not select a dose from search results alone. A healthcare professional can help you consider your reason for taking it, your other supplements, medications, and the directions on the label. Follow the instructions for the product you purchase.
CoQ10, Ubiquinone, and Ubiquinol: What Is the Difference?
Searches for ubiquinol CoQ10 and ubiquinone CoQ10 often appear alongside searches for CoQ10 supplements. These are two forms of the compound. Products can differ in form, dose, and other ingredients, so compare the actual Supplement Facts and ingredient information instead of assuming that one search term describes every CoQ10 softgel.
The product details supplied here identify the OTS ingredient as CoEnzyme Q10 but do not specify ubiquinone or ubiquinol. Do not label this product as either form until the current manufacturer documentation confirms it.
Do Foods Contain CoQ10?
Yes. CoQ10 occurs in foods as well as being made by the body. Food searches and supplement searches answer different questions: a varied diet provides nutrients and other compounds, while a softgel supplies the specific amount printed on its label. You do not need a supplement simply because a food contains CoQ10, and a supplement does not replace a balanced diet.
What If You Take a Statin or Other Medication?
People often search for CoQ10 and statins because statin use can lower CoQ10 levels. That does not establish that a supplement will treat statin-related symptoms. NCCIH says the overall evidence does not support CoQ10 for reducing muscle pain caused by statins. It also notes potential interactions with warfarin and insulin and possible incompatibility with some cancer treatments. Read NCCIH's CoQ10 overview.
If you take a statin, blood thinner, diabetes medication, or any other regular medicine, ask your doctor or pharmacist before adding CoQ10. Do not change a prescribed treatment on your own.
How Do You Choose a CoQ10 Supplement?
When comparing options, look past “best CoQ10” lists and check what you can verify on the package:
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Amount per serving: Is the dose shown clearly, and how many softgels make one serving?
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Form: Does the manufacturer identify the CoQ10 form, if that matters to your decision?
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Other ingredients: Check for gelatin, oils, color ingredients, and anything you avoid.
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Servings per bottle: Compare cost per serving, not only the bottle price.
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Directions and cautions: Make sure they fit your routine and review them with a professional if you use medication.
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Quality information: Look for specific, verifiable manufacturing or testing information rather than broad promises.
OTS CoQ10 300 mg is a softgel, not a gummy, tablet, or liquid. If you are comparing it with a competing brand, use the same serving-size and ingredient checks rather than assuming similarly named products have identical formulas.
Frequently Asked Questions
What should I look for when choosing a CoQ10 supplement?
Check the amount per serving, serving size, CoQ10 form if identified, other ingredients, directions, servings per container, and any quality or testing information provided by the manufacturer. If you take medication or have a medical condition, discuss the product with your healthcare professional.
What does CoQ10 do in the body?
CoQ10 plays a role in cellular energy production and functions as an antioxidant. This describes its normal biological role; it does not promise that taking a supplement will create a particular health outcome.
Is CoQ10 a vitamin?
No. CoQ10 is a compound the body makes naturally. OTS pairs it with vitamin E, which is a separate nutrient.
Does OTS CoQ10 300 mg contain vitamin E?
Yes. The supplied formula lists vitamin E alongside 300 mg of CoQ10 per softgel. Check the current Supplement Facts panel for the vitamin E amount, form, and Daily Value.
Is the OTS softgel vegan?
No. Gelatin appears in the supplied other-ingredients list.
Can CoQ10 replace a prescription medicine?
No. A CoQ10 supplement is not a replacement for prescribed treatment. Speak with your healthcare professional before changing medication or adding a supplement to your routine.
How do I take OTS CoQ10 300 mg?
The supplied directions say to take one softgel per day, or as recommended by your healthcare professional. Follow the current product label.
A Clearer Way to Decide
CoQ10 has a real role in how cells produce energy, but a product choice still comes down to its dose, form, ingredients, and fit for you. OTS CoQ10 provides 300 mg in a once-daily softgel with vitamin E and 30 servings per bottle. Read the full label and discuss it with a healthcare professional if you take medication or have questions about the dose.
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. This article is for general information and is not medical advice.
