Inositol

Inositol reference formula at a default of 1,000 mg per serving, developed as a powder or capsule.

Inositol is a reference formula for brands building a single-ingredient inositol product around 1,000 mg per serving. The brand sets the final amount for its market, and reference labels span 375 to 6,000 mg per serving.

Powder is the lead format because inositol is a free-flowing, mildly sweet powder that dissolves in water, and capsule is developed for brands that want a portable unit. The work centers on identity and dose: the label word inositol covers several isomers, and the serving ranges from a single capsule to a full scoop.

Ingredient Composition

IngredientPer ServingRaw Material FormAlternative Form (same amount of active)
Inositol1000 mg (example amount)Myo-inositol powder, specified on a declared-weight basis; 1,000 mg per servingD-chiro-inositol or a stated ratio of myo-inositol to D-chiro-inositol, which are separate specifications with their own input

The amount is stated as mg of inositol. Inositol is C6H12O6, 180.16 g/mol (PubChem CID 892), and the isomers share this formula weight; the free form has no salt or hydrate conversion. The specification names the isomer, because the reference label says only inositol.

Intended Benefits & Formula Rationale

This formula is designed for products positioned around cell-signaling nutrition. Inositol is included as the single ingredient so that the concept stays on one naturally occurring compound.

Intended Benefit DirectionKey IngredientsFormulation Rationale
Inositol as a signaling nutrientInositolA review describes myo-inositol and D-chiro-inositol as natural compounds involved in many biological pathways, including endocrine signal transduction [1]. Evidence: Referenced

The amount is an example. The review in [1] covers the inositol isomers in general and does not test this formula, so the isomer, the amount and any claim on a finished product are reviewed for each market.

Available Formats

Reference labels are mostly powders and capsules; both are developed here.

FormatUnitPer ServingPack SizeOther Ingredients (typical)Suitability
Powder1 scoop, 3 gInositol 1,000 mg90 g tub (30 servings)Flavor, acid, flow agent, or noneLead format; unflavored or flavored
Capsule2 capsulesInositol 1,000 mg120 capsules (60 servings)Vegetable capsule shell, flow agentPortable unit; two capsules per serving

Raw Material Input & Fill (Design Estimate)

Design estimates. Myo-inositol is assumed at 100% of its declared weight, so 1,000 mg per serving needs 1,000 mg of raw material; the supplier’s assay is applied once the lot is chosen.

FormatRaw Material Input per UnitDesign FillBalance for ExcipientsVerification Before Scale-Up
Powder1,000 mg per scoop3 g per scoop2,000 mgScoop volume against weight, dissolution, clumping, taste
Capsule500 mg per capsule520 mg per capsule20 mgPowder flow and bulk density, fill weight variation, disintegration

Tablet, liquid and gummy are separate projects, because a gram-level dose changes the compression work and the liquid format needs its own stability testing.

Formulation Considerations

Isomer identity. Inositol on a label can mean myo-inositol alone or a blend with D-chiro-inositol. The two behave differently in formulation and regulation, so the specification states the isomer and its ratio before the amount is fixed.
Moisture. The powder can pick up moisture and cake in a humid room. Moisture limits, humidity-controlled filling and a desiccant are part of the plan.
Taste in a drink. Inositol is mildly sweet and dissolves readily in water, so the powder format needs less sweetener than most amino acids. Flavor and acid are tuned in the pilot run.
Capsule count. At 500 mg per capsule the serving needs two capsules. A larger serving, such as the 6,000 mg seen on some reference labels, moves to the powder format.

Customization Options

Brands adjust the amount, the isomer, the format and the add-ons.

ParameterRangeNote
Inositol per serving500, 1000 or 2000 mgExamples for the brand; capsule count or scoop size rises with the amount
IsomerMyo-inositol, or a myo to D-chiro blendSeparate specifications
FormatPowder or capsuleTablet, liquid and gummy are separate projects
Add-onsFolate, choline, vitamin DA second ingredient changes the unit weight and the claim wording

The pilot run confirms scoop weight reproducibility, capsule fill at the chosen lot, and the dissolution of the powder in water.

Flavor Options

FormatSuggested FlavorsWhy
PowderUnflavored, lemon, berryInositol is mildly sweet and carries light fruit flavors well

Technical Status & Data Sources

ItemStatusDetails
Reference formulaNIH DSLDThe ingredient and amount come from a labeled product in the NIH DSLD (1000 mg on the label of CF048614; example DSLD labels 331140, 331141). The label names the ingredient as inositol; myo-inositol is set as the isomer.
SpecificationSet in formulationMyo-inositol powder at 1,000 mg per serving; assay, isomer identity, moisture, microbial 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] Dinicola S, Unfer V, Facchinetti F, et al. Inositols: From Established Knowledge to Novel Approaches. Int J Mol Sci. 2021;22(19):10575. DOI · PubMed

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