Coenzyme Q10 & Vitamin E

Coenzyme Q10 and vitamin E reference formula at example amounts of 100 mg and 67 mg per serving, developed as a softgel or capsule.

Coenzyme Q10 & Vitamin E is a reference formula for brands building a two-active antioxidant softgel around example amounts of 100 mg of coenzyme Q10 and 67 mg of vitamin E per serving. Both actives are fat soluble, so the development work centers on dissolving or suspending coenzyme Q10 in an oil fill, the form and unit of the vitamin E, and the oxidative stability of the finished softgel.

Softgel is the lead format because a lipophilic active with a large molecule absorbs best from an oil-based, solubilized fill, and a capsule with an oil-suspended or powder-blend fill is the alternative. The amounts are examples that the brand moves for its market, and the vitamin E amount is listed in mg and in IU as separate option sets.

Ingredient Composition

IngredientPer ServingRaw Material FormAlternative Form (same amount of active)
Coenzyme Q10100 mg (example amount)Ubidecarenone (ubiquinone), crystalline, dissolved or suspended in the oil fill; specification 100 mg coenzyme Q10 per servingSolubilized coenzyme Q10 or a powder blend, with the input recalculated to 100 mg of coenzyme Q10
Vitamin E67 mg (example amount)Tocopherol oil, with the form (natural d-alpha-tocopherol, mixed tocopherols or a synthetic form) and the label basis set in the specificationA different tocopherol form or a tocotrienol-containing grade, declared on its own basis

Amounts are stated as mg of coenzyme Q10 (C59H90O4, 863.3 g/mol) and mg of vitamin E. No salt or hydrate conversion applies to coenzyme Q10. Reference labels state vitamin E in mg and in IU, and the conversion from IU to mg depends on the natural or synthetic form, so the two option sets are listed apart and no conversion is applied on this page.

Intended Benefits & Formula Rationale

This formula is designed for products positioned around antioxidant nutrition and heart and circulatory nutrition. Coenzyme Q10 and vitamin E are included together so that one oil fill carries both fat-soluble actives.

Intended Benefit DirectionKey IngredientsFormulation Rationale
Cellular energy and antioxidant nutritionCoenzyme Q10Included because coenzyme Q10 has a fundamental role in cellular bioenergetics and is also an important antioxidant [1]. Evidence: Referenced
Antioxidant nutritionVitamin EIncluded as a group of tocopherol and tocotrienol compounds essential for animal cells that prevent lipid oxidation in plants, with some evidence that antioxidant potency may differ between natural and synthetic sources [2]. Evidence: Referenced
Delivery of a lipophilic activeCoenzyme Q10A review reports that absorption of dietary coenzyme Q10 is slow and limited because of hydrophobicity and large molecular weight, and that solubilized formulations show enhanced bioavailability [1]. Evidence: Referenced

The amounts are examples, and the combination is a design choice that the brand and its market review confirm. The review in [1] describes the plasma kinetics of coenzyme Q10 with a Tmax around 6 hours and an elimination half-life of about 33 hours, which informs dosing schedule options.

Available Formats

The coenzyme Q10 and vitamin E reference formula is built for a softgel version and a capsule version; counts per serving are design choices that the brand can adjust.

FormatUnitPer ServingPack SizeOther Ingredients (typical)Suitability
Softgel1 softgelCoenzyme Q10 100 mg, vitamin E 67 mg30 or 60 softgelsSunflower oil, white beeswax, sunflower lecithin, shell of starch, carrageenan and glycerinLead format; oil fill with both actives
Capsule1 capsuleCoenzyme Q10 100 mg, vitamin E 67 mg60 or 90 capsulesOil-suspended or powder-blend fill, flow agent, capsule shellAlternative where a shell without liquid fill is preferred

Raw Material Input & Fill (Design Estimate)

Design estimates. The inputs are the labeled amounts divided by the assumed assay of each raw material, taken at 100% coenzyme Q10 and 100% tocopherol, so 100 mg of coenzyme Q10 and 67 mg of vitamin E are used per unit.

FormatRaw Material Input per UnitDesign FillBalance for ExcipientsVerification Before Scale-Up
SoftgelCoQ10 100 mg, vitamin E 67 mg500 mg fill333 mg of oil and waxDissolution or suspension of coenzyme Q10, shell compatibility, content assay of both actives
CapsuleCoQ10 100 mg, vitamin E 67 mg450 mg per capsule283 mgBlend uniformity, fill weight variation, content assay of both actives

Tablet, liquid and gummy versions are separate projects, because coenzyme Q10 is a poorly soluble crystalline solid that needs its own solubilization plan in those systems.

Formulation Considerations

Dissolving a crystalline lipophilic active. At 100 mg in a 500 mg oil fill, coenzyme Q10 sits at 20% of the fill, which approaches the limit for a simple suspension. A solubilized grade, a warming step during preparation and a suspending wax are tested to keep the fill homogeneous through shelf life.
Bioavailability through the fill. The review in [1] states that solubilized formulations improve bioavailability, so the fill system is part of the specification rather than a free choice, and any change of fill is a change of product.
Vitamin E form and unit. Reference labels state vitamin E in mg and in IU, and the natural and synthetic forms differ in potency [2]. The specification states the form and the unit, and the two sets of option amounts are not converted into each other.
Oxidation and color. Coenzyme Q10 is orange and stains shells and equipment, and vitamin E in the fill acts as an antioxidant partner. Shell color, light protection of the bottle and potency through shelf life are checked in stability work.

Customization Options

Brands adjust the coenzyme Q10 amount, the vitamin E amount and form, the format and the fill system.

ParameterRangeNote
Coenzyme Q10 per serving60 or 100 mgExamples for the brand; fill density scales with the amount
Vitamin E per serving40 or 67 mg, or 5 or 10 IU as a separate option setNot converted into each other; form and unit set in the specification
FormatSoftgel or capsuleTablet, liquid and gummy are separate projects
Fill systemOil solution, solubilized grade or powder blendChanges bioavailability, stability and cost
Add-onsOmega-3, vitamin DA third active changes the fill weight and the shell plan

The pilot run confirms dissolution or suspension of coenzyme Q10 in the fill, shell compatibility and color, potency of both actives in the first units, and the content assay against the labeled amounts.

Technical Status & Data Sources

ItemStatusDetails
Reference formulaNIH DSLDThe ingredient and amount come from a labeled product in the NIH DSLD (coenzyme Q10 100 mg and vitamin E 67 mg on the label of CF011979; example DSLD labels 178585, 279734, 284565). The label names the two ingredients by name; ubidecarenone and tocopherol are set as the forms.
SpecificationSet in formulationCoenzyme Q10 (ubidecarenone) 100 mg and vitamin E 67 mg per serving; assay, vitamin E form and unit, peroxide value and limits and method are fixed with the supplier. Unit size, fill weight and stability are set in formulation.
Data sourceNIH DSLDDSLD v9.4.0, downloaded 2026-01-10: 50,824 reference formulas merged from on-market labels with complete ingredient amounts. Counts show how labels are distributed.
Market reviewPer marketDose limits, labeling and claims are reviewed for each sales market before a finished product is developed.
ReferencesSources[1] Bhagavan HN, Chopra RK. Coenzyme Q10: absorption, tissue uptake, metabolism and pharmacokinetics. Free Radic Res. 2006;40(5):445-53. DOI · PubMed<br>[2] Colombo ML. An update on vitamin E, tocopherol and tocotrienol-perspectives. Molecules. 2010;15(4):2103-13. DOI · PubMed

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