Solubilized Coenzyme Q10

Solubilized coenzyme Q10 reference formula with an example 100 mg per serving, developed as a softgel, with the final amount set by the brand.

Solubilized Coenzyme Q10 is a reference formula for brands building a single-ingredient CoQ10 softgel, with coenzyme Q10 declared by weight. The example serving carries 100 mg of coenzyme Q10 in one softgel, and the brand sets the final amount, the CoQ10 form and the fill system for its market.

A softgel is the only format on the reference labels, with the CoQ10 carried in an oil fill. The reference labels name the ingredient with a branded solubilized CoQ10 name. The development work centers on a solubilized CoQ10 fill, the oxidation stability of the oil, and the choice of a brand-neutral raw material.

Ingredient Composition

IngredientPer ServingRaw Material FormAlternative Form (same amount of active)
Solubilized Coenzyme Q10100 mg (example amount)Solubilized coenzyme Q10 (ubidecarenone) in an oil fill; specification 100 mg CoQ10 per serving, with assay, solubilization system and oxidation limits set with the supplierUbiquinol in an oil fill at the same weight, or a crystalline CoQ10 suspended in oil with a dispersion aid

The amount is the weight of coenzyme Q10 as declared on the label, so the assay of the CoQ10 in the fill is part of the specification and is not inferred from the weight. The reference label names the ingredient with a branded name; the CoQ10 form and the solubilization system are set in the specification with a brand-neutral raw material.

Intended Benefits & Formula Rationale

This formula is designed for products positioned around cellular energy and heart nutrition. Coenzyme Q10 is included as the single active in a solubilized softgel so that the absorption system, the oil and the shell can be set around one ingredient.

Intended Benefit DirectionKey IngredientsFormulation Rationale
Cellular energy nutritionCoenzyme Q10A review describes CoQ10 as having a fundamental role in cellular bioenergetics and notes that absorption of dietary CoQ10 is slow and limited, with solubilized formulations showing enhanced bioavailability [1]. Evidence: Referenced
Heart nutritionCoenzyme Q10A systematic review of seven systematic reviews, in patients with heart failure, found a case for CoQ10 as an adjunct, and could not pool the results because the studies differed [2]. Evidence: Referenced

The example amount is a starting point, and the brand sets the final CoQ10 amount and the format for its market.

Available Formats

The reference formula is built for a softgel version; counts per serving are design choices that the brand can adjust.

FormatUnitPer ServingPack SizeOther Ingredients (typical)Suitability
Softgel1 softgel100 mg coenzyme Q1030 or 60 softgelsCarrier oil, solubilizer, gelatin or plant-based shell, glycerinLead format; oil fill with solubilized CoQ10

Raw Material Input & Fill (Design Estimate)

Design estimates. CoQ10 is assumed at 100% of the declared weight and an oil fill density of 0.92 g/mL, so 100 mg of CoQ10 in a 500 mg fill is a 20% load in the oil system.

FormatRaw Material Input per UnitDesign FillBalance for ExcipientsVerification Before Scale-Up
Softgel100 mg CoQ10About 500 mg fill in a size 10 oval softgelAbout 400 mg carrier oil and solubilizerCoQ10 dissolution or dispersion in the fill, fill weight variation, leak test, assay, oxidation

Capsule, tablet and powder versions are separate projects, because a solubilized CoQ10 depends on its oil system and needs its own absorption and stability plan in those formats.

Formulation Considerations

Solubilization and absorption. CoQ10 is hydrophobic and has a large molecular weight, which limits absorption, and solubilized formulations show enhanced bioavailability [1]. The solubilization system is specified, and the fill is tested for dissolved CoQ10 at storage temperature.
Brand-neutral raw material. The reference label uses a branded ingredient name. A branded raw material is a supply matter between the brand and its owner, so the specification describes the CoQ10 form and the solubilization system without the brand name.
Oil fill and oxidation. The oil is protected from oxidation with an antioxidant and a light-barrier pack. Peroxide value and assay are tracked through shelf life.
Evidence and claims. The cited heart-related result comes from patients with heart failure [2], so claims on a finished product are reviewed for each sales market before a product is developed.

Customization Options

Brands adjust the CoQ10 amount and form, the solubilization system and the shell.

ParameterRangeNote
Coenzyme Q10 per serving30 to 600 mg across the reference labelsFill weight and CoQ10 load limit the amount per softgel
CoQ10 formUbidecarenone or ubiquinolSets stability and cost
ShellGelatin or plant-basedPlant-based shells change the sealing and the drying time
FormatSoftgelCapsule, tablet and powder are separate projects
Add-onsVitamin E, omega-3 oilEach add-on changes the fill composition and the oxidation stability

The pilot run confirms the CoQ10 dissolution in the fill, the fill weight and leak test, and the assay and peroxide value of the first fills.

Technical Status & Data Sources

ItemStatusDetails
Reference formulaNIH DSLDThe ingredient and amount come from a labeled product in the NIH DSLD (100 mg on the label of CF003321; example DSLD labels 21156, 21159, 64454). The label names the ingredient with a branded solubilized CoQ10 name; the CoQ10 form is set in the specification.
SpecificationSet in formulationCoenzyme Q10 in a solubilized oil fill, 100 mg per serving; assay, solubilization system, peroxide value, heavy metal and microbial limits and methods 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):445-453. DOI · PubMed<br>[2] Jafari M, Mousavi SM, Asgharzadeh A, Yazdani N. Coenzyme Q10 in the treatment of heart failure: A systematic review of systematic reviews. Indian Heart J. 2018;70 Suppl 1:S111-S117. DOI · PubMed

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