Vitamin B6, Pantothenic Acid & Niacin

Vitamin B6, pantothenic acid and niacin reference formula with example amounts of 50 mg, 50 mg and 50 mg per serving, developed as a capsule or a tablet.

Vitamin B6, Pantothenic Acid & Niacin is a reference formula for brands building a B-vitamin product, with each vitamin declared by weight. The example serving carries 50 mg of vitamin B6, 50 mg of pantothenic acid and 50 mg of niacin in one capsule, and the brand sets the final amounts, the vitamin forms and the surrounding B-complex base for its market.

A capsule is the lead format because 18 of the 32 reference labels are capsules, with tablets, liquids and other formats as the remainder. The reference labels are B-complex products that also carry thiamin, riboflavin, biotin, inositol and choline, so the development work centers on the vitamin forms, the amounts of vitamin B6 and niacin against upper intake levels, and how much of the B-complex base the brand wants.

Ingredient Composition

IngredientPer ServingRaw Material FormAlternative Form (same amount of active)
Vitamin B650 mg (example amount)Pyridoxine hydrochloride; vitamin B6 declared as pyridoxine, with the form set with the supplierPyridoxal 5′-phosphate at the same vitamin B6 weight
Pantothenic Acid50 mg (example amount)Calcium pantothenate; pantothenic acid declared as the acid, with the salt weight set from the assayD-panthenol at the weight that gives the same pantothenic acid
Niacin50 mg (example amount)Niacin as niacinamide or nicotinic acid; form set with the supplierThe other niacin form at the same weight

The amounts are the weights of each vitamin as declared on the label. The labels name the ingredients as vitamin B6, pantothenic acid and niacin; the forms are set in the specification, since nicotinic acid and niacinamide differ in effect and labeling.

Intended Benefits & Formula Rationale

This formula is designed for products positioned around B-vitamin nutrition and daily energy metabolism. The three vitamins are combined so that the forms, the amounts and the format can be set together.

Intended Benefit DirectionKey IngredientsFormulation Rationale
B-vitamin baseVitamin B6, Pantothenic Acid, NiacinIncluded as three water-soluble B vitamins commonly sold together in B-complex products. Evidence: Product positioning
Niacin and lipidsNiacinNiacin at pharmacologic doses is a lipid-altering agent, yet a large trial found no benefit on cardiovascular endpoints and flushing limits its use [1]. Evidence: Mixed
Vitamin B6 intake levelVitamin B6A systematic review concludes that current scientific evidence supports a neurotoxic role of vitamin B6 at high levels, and also notes that low B6 is a possible risk factor for peripheral neuropathy and that further studies are needed [2]. Evidence: Mixed

The example amounts anchor the first trial batches, and the brand then sets the final amounts and the format for its market.

Available Formats

The reference formula covers a capsule and a tablet version, and counts per serving are design choices that the brand can adjust.

FormatUnitPer ServingPack SizeOther Ingredients (typical)Suitability
Capsule1 capsule50 mg vitamin B6 + 50 mg pantothenic acid + 50 mg niacin60 or 120 capsulesCapsule shell, flow agent, bulking agentLead format; one capsule per serving
Tablet1 tablet50 mg vitamin B6 + 50 mg pantothenic acid + 50 mg niacin60 or 120 tabletsBinder, disintegrant, glidant, coatingCoated tablet for brands that prefer a pill

Raw Material Input & Fill (Design Estimate)

Design estimates. Pyridoxine hydrochloride is assumed at 82% vitamin B6 and calcium pantothenate at 92% pantothenic acid, so the three vitamins weigh about 61 mg, 54 mg and 50 mg, or about 165 mg per serving.

FormatRaw Material Input per UnitDesign FillBalance for ExcipientsVerification Before Scale-Up
Capsule61 mg pyridoxine HCl; 54 mg calcium pantothenate; 50 mg niacinAbout 250 mg in a size 2 capsuleAbout 85 mg bulking agent and flow agentBulk density and flow, fill weight variation, assay of each vitamin, moisture
Tablet61 mg pyridoxine HCl; 54 mg calcium pantothenate; 50 mg niacinAbout 300 mg tabletAbout 135 mg binder, disintegrant and glidantCompression, hardness, disintegration, content uniformity

Liquid and softgel versions are separate projects, because the B-complex base would need its own solubility and stability study there. The wider B-complex base on the reference labels is a development option.

Formulation Considerations

Vitamin B6 amount. The example amount of 50 mg of vitamin B6 is below the adult upper intake level of 100 mg, and a systematic review links high vitamin B6 intake with sensory neuropathy [2]. The reference range reaches 100 mg, and the brand fixes the amount against the limit of each sales market.
Niacin form and amount. Nicotinic acid, not niacinamide, is the form linked to flushing at higher intakes, and the reference amounts run from 20 mg to 150 mg. The example 50 mg is above the 35 mg adult upper intake level for niacin set by NIH ODS, so the brand fixes the niacin form and a lower amount if the market requires it. The form and the amount are fixed early, and the final amount is checked against the adult upper intake level for each sales market.
B-complex color and odor. B vitamins give a yellow color and a characteristic odor. The pilot run checks the blend color, the odor after storage and the compatibility with the shell or the coating.
Evidence and claims. The niacin outcomes were not confirmed [1] and the vitamin B6 safety finding is tied to high intake [2], so claims on a finished product are reviewed for each sales market before a product is developed.

Customization Options

Brands adjust the vitamin amounts and forms, the B-complex base and the format.

ParameterRangeNote
Vitamin B6 per serving2 to 100 mg across the reference labelsChecked against the adult upper intake level of each market
Pantothenic acid per serving3 to 150 mg across the reference labelsSalt weight set from the assay
Niacin per serving20 to 150 mg across the reference labelsForm and amount fixed with the upper intake level in mind
FormatCapsule or tabletLiquid and softgel are separate projects
Add-onsThiamin, riboflavin, biotin, inositol, cholineEvery add-on shifts the unit weight and the stability

The pilot run confirms the capsule fill weight, the tablet hardness, and the assay and color of each vitamin at release and after storage.

Technical Status & Data Sources

ItemStatusDetails
Reference formulaNIH DSLDThe ingredients and amounts come from a labeled product in the NIH DSLD (Vitamin B6 50 mg + Pantothenic Acid 50 mg + Niacin 50 mg on the label of CF043351; example DSLD labels 313580, 313581, 334195). The label names the ingredients as vitamin B6, pantothenic acid and niacin; the forms are set in the specification.
SpecificationSet in formulationPyridoxine hydrochloride, calcium pantothenate and niacin in the forms chosen with the suppliers; assay, heavy metal and microbial limits and methods are fixed with the suppliers. 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] Creider JC, Hegele RA, Joy TR. Niacin: another look at an underutilized lipid-lowering medication. Nat Rev Endocrinol. 2012;8(9):517-528. DOI · PubMed<br>[2] Muhamad R, Akrivaki A, Papagiannopoulou G, Zavridis P, Zis P. The Role of Vitamin B6 in Peripheral Neuropathy: A Systematic Review. Nutrients. 2023;15(13):2823. DOI · PubMed

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