Valerian Root Extract

Single-ingredient valerian root extract reference formula at 500 mg per serving, developed as a capsule or powder.

Valerian is a reference formula for brands building a single-ingredient botanical product at a default amount of 500 mg of valerian root extract per serving. The extract is the only active ingredient, so the development work centers on the choice between a standardized extract and the whole root, the strong odor of the root, and the capsule or powder system that carries it.

Capsule is the lead format because 500 mg of extract fits one standard capsule, and a powder version serves brands that sell a stick pack. Options of 250, 450 and 1,000 mg sit beside the default. Valerian root powders and standardized extracts are different raw materials, and a review on valerian notes that outcomes may depend on the quality of the extract, so the raw material choice is part of the specification.

Ingredient Composition

IngredientPer ServingRaw Material FormAlternative Form (same amount of active)
Valerian500 mg (default amount)Valerian root extract standardized to valerenic acids, for example the Valerian Extract 0.8–1% Valerenic Acids grade; specification 500 mg extract per serving, valerenic acid content set with the supplierValerian Root Powder for a whole-root product with a larger fill weight, or general Valerian Root Extract Powder with a different marker content

Amounts are stated as mg of valerian extract, not of valerenic acids. A 500 mg serving of a 0.8% to 1% extract carries about 4 to 5 mg of valerenic acids, and the grade, the marker compounds and the extraction solvent are part of the specification.

Intended Benefits & Formula Rationale

This formula is designed for products positioned around botanical sleep and relaxation nutrition. Valerian extract is included as the single active so that the standardization, the amount and the excipient system can be set without interaction with other actives.

Intended Benefit DirectionKey IngredientsFormulation Rationale
Traditional botanical nutritionValerianIncluded because extracts of valerian roots are widely used for inducing sleep and improving sleep quality, and a popular herbal medicine is used as a sleep aid [1][2]. Evidence: Referenced
Sleep quality studiesValerianA meta-analysis of 16 randomized placebo-controlled studies in 1,093 patients found a relative risk of improved sleep of 1.8, with significant methodologic problems and publication bias [2]; a later review of 60 studies reports inconsistent outcomes that may reflect variable extract quality [1]. Evidence: Mixed

The extract weight is the stated amount, and the grade moves the dose of the marker compounds. Both reviews call for work on standardized preparations and doses, so amount, claims and target market are brand decisions reviewed for each sales market.

Available Formats

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

FormatUnitPer ServingPack SizeOther Ingredients (typical)Suitability
Capsule1 capsule500 mg extract60 or 120 capsulesRice flour, flow agent, vegetable capsule shellLead format; extract in a standard fill
Powder1 stick pack500 mg extract30 stick packsDiluent, sweetener, flavor, anti-caking agentDrink mix; the odor of the root needs masking

Raw Material Input & Fill (Design Estimate)

Design estimates. The input is the labeled extract weight at an assumed 100% assay of the extract as purchased, so 500 mg of extract per unit is used as the input; the valerenic acid content follows from the grade and is fixed in the specification.

FormatRaw Material Input per UnitDesign FillBalance for ExcipientsVerification Before Scale-Up
Capsule500 mg extract570 mg per capsule70 mgFlow, fill weight variation, valerenic acid assay, odor
Powder500 mg extract3000 mg per stick2500 mgDispersion in water, odor masking, valerenic acid assay

Tablet, softgel and gummy versions are separate projects, because the odor and instability of some root constituents need their own matrix and protection work in those systems.

Formulation Considerations

Marker grade sets the dose. A 500 mg serving carries about 4 to 5 mg of valerenic acids across the 0.8% to 1% range. The specification names the marker assay, and a change of grade is a change of dose.
Odor of the root. Valerian has a strong, characteristic odor that carries through capsules and bottles. A sealed shell, an inner liner on the bottle and, for powders, a strong flavor system are tested in the pilot run, and odor on opening is part of the release check.
Instability of active constituents. The review in [1] notes the presence of multiple active constituents and the relatively unstable nature of some of them. Storage conditions, moisture and shelf-life potency are measured by assay, and the extract lot is checked against the marker specification.
Extract or whole root. The review in [1] suggests that more reliable effects may be expected from the whole root or rhizome, while extracts vary in quality. The page carries the extract as the default and the whole root as an alternative, and the choice is made together with the target claim and market.

Customization Options

Brands adjust the extract weight, the marker grade, the format and the add-ons.

ParameterRangeNote
Extract per serving250, 450, 500 or 1000 mgExamples for the brand; capsule count or stick weight follows the chosen tier
Marker grade0.8% to 1% valerenic acidsChanges the marker dose per serving and the input weight
Raw material formExtract or whole root powderWhole root needs a much larger fill weight
FormatCapsule or powderTablet, softgel and gummy are separate projects
Add-onsLemon balm, passionflower, magnesiumThe review in [1] notes that benefits may improve with suitable herbal partners; each partner adds fill weight and an assay

The pilot run confirms flow and fill weight of the extract blend, odor control, powder dispersion, and the marker assay of the first units against the specification.

Flavor Options

FormatSuggested FlavorsWhy
PowderMint, chamomile-lemon, vanillaStrong herbal and mint profiles cover the earthy odor of the root

Technical Status & Data Sources

ItemStatusDetails
Reference formulaNIH DSLDThe ingredient and amount come from a labeled product in the NIH DSLD (500 mg on the label of CF036948; example DSLD labels 294511, 294512, 294514). The label names the ingredient as valerian extract; a valerenic acid-standardized root extract is set as the form.
SpecificationSet in formulationValerian root extract, 500 mg per serving, standardized to valerenic acids; marker assay, solvent residue, pesticide and heavy-metal 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] Shinjyo N, Waddell G, Green J. Valerian Root in Treating Sleep Problems and Associated Disorders-A Systematic Review and Meta-Analysis. J Evid Based Integr Med. 2020;25:2515690X20967323. DOI · PubMed<br>[2] Bent S, Padula A, Moore D, et al. Valerian for sleep: a systematic review and meta-analysis. Am J Med. 2006;119(12):1005-12. DOI · PubMed

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