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Inventory Ready
Editorial status
Listed · source-checked
Last reviewed
May 25, 2026
Next review due
May 25, 2027
Commercial relationship
Listed editorially
Challenge window
Self-reported certifications labeled

CONTRACT MANUFACTURING

National Vitamin Company

National Vitamin Company is a contract manufacturer and private-label producer of vitamins and dietary supplements operating a 316,000 square foot facility on a 43-acre site in Casa Grande, Arizona. Founded in 1974 as a vitamin distributor in San Jose, California, the company is family-owned and federally licensed for manufacture of dietary supplements and over-the-counter products. Services include contract manufacturing, private label production, custom formulation, in-house formulas, and packaging. The company holds NPA GMP certification confirmed via the NPA public directory. The company self-reports approximately 34.7 million dollars in 2026 annual revenue.

Casa Grande, Arizona

Directory Listing · Certifications Confirmed

One or more certifications independently confirmed via public registries.

What this means →
MOQ
Not publicly disclosed
LEAD TIME
Not publicly disclosed
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§1Editorial assessment

National Vitamin Company is a contract manufacturer and private-label producer of vitamins and dietary supplements operating a 316,000 square foot facility on a 43-acre site in Casa Grande, Arizona. Founded in 1974 as a vitamin distributor in San Jose, California, the company is family-owned and federally licensed for manufacture of dietary supplements and over-the-counter products. Services include contract manufacturing, private label production, custom formulation, in-house formulas, and packaging. The company holds NPA GMP certification confirmed via the NPA public directory. The company self-reports approximately 34.7 million dollars in 2026 annual revenue.

cGMP (Current Good Manufacturing Practice)FDA Facility RegistrationPrivate LabelFormulationSupplement Packaging

§2Our review

The six checks in our review, applied before any name appears in the directory. Each check is auto-derived from public evidence on this profile.

Independent confirmation: warn.
Sources we traced: miss.
How recent: pass.
Right to respond: pass.
What they told us: pass.
What we don’t know: pass.

§3Inspection history

§4Certifications

1 of 2 certifications independently confirmed. What this means

NPA GMP(Confirmed)FDA Registered(Self-Reported)

§5Capability matrix

PRODUCT TYPES
Tablets · Capsules
CAPABILITIES
Contract Manufacturing · Private Label · Custom Formulation · House Formulas · Packaging
DOSAGE FORMS
tablets · capsules

§6Sources

§7 · What we don't know

  • Federal manufacturing license scope and current status not independently verified
  • Minimum order quantities not disclosed publicly
  • Detail on facility certifications beyond NPA GMP not surfaced

Dietary supplement manufacturers must comply with 21 CFR Part 111 (Current Good Manufacturing Practice for dietary supplements). This includes requirements for personnel, facilities, equipment, production, laboratory operations, and record-keeping.

Disclosures

  • No material connection exists between Inventory Ready and this manufacturer

For the check-by-check breakdown that produces this vendor's score, see our scoring framework. The connection map between National Vitamin Company and other vendors, capabilities, and certifications is in the manufacturer atlas.

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Educational information only. Not legal, regulatory, or professional advice. Inventory Ready provides independent assessments based on publicly available information. See Terms for details.