Supplement Contract Manufacturers Compared
Last verified: March 15, 2026
33 contract manufacturers compared by certifications, minimum order quantities, dosage forms, and capabilities. Organized alphabetically. This is not a ranking.
How to read this page. Every manufacturer on this page meets our published editorial inclusion criteria, including FDA facility registration, no unresolved enforcement actions, and verifiable capabilities. Each row presents factual, publicly available information. Certification status indicates whether we confirmed the credential through an independent database (confirmed) or are reporting the manufacturer's own claim (self-reported). Read our full comparison method →
Disclosure: 3 manufacturers on this page (GMP Laboratories of America, Kelker Pharma and Rose City Nutritionals) have a material connection (direct professional relationship) with Greg Huang. They are assessed using the same criteria as all other manufacturers. See individual profiles for details.
Editorial independence: No company has paid for inclusion, position, or preferential treatment on this page. All listings are editorially determined. How we get paid →
| Manufacturer | Location | Confirmed certs | MOQ | Lead time | Dosage forms |
|---|---|---|---|---|---|
| AHF Vitamins | Hauppauge, New York | 0(+4 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, gummies, liquids, powders, softgels, tablets |
| Arizona Nutritional Supplements | Chandler, AZ | 1(+5 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, gummies, powders, softgels, tablets |
| Bactolac Pharmaceutical | Hauppauge, New York | 1(+4 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, liquids, powders, sachets, softgels, tablets |
| Best Formulations (Sirio Americas) | City of Industry, California | 1(+4 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, gummies, liquids, powders, softgels, tablets |
| BL Bio Lab | Clearwater, Florida | 0(+3 self-reported) | Low MOQ available (specific quantities not publicly disclosed) | Not publicly disclosed | capsules, gummies, powders, softgels, tablets |
| Captek Softgel International | Cerritos, California | 2(+3 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, gummies, softgels |
| Catalyst Nutraceuticals | Buford, GA | 0(+2 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, powders, tablets |
| Eva Nutra | Las Vegas, Nevada | 0(+3 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, tablets |
| Gemini Pharmaceuticals | Commack, New York | 0(+8 self-reported) | 300,000 units | Not publicly disclosed | capsules, tablets |
| GMP Laboratories of Americadisclosed | Anaheim, California | 2(+2 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, gummies, liquids, powders, softgels, tablets |
| Intermountain Nutrition | Salt Lake City, Utah | 0(+3 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, powders |
| Kelker Pharmadisclosed | Riverside, California | 2(+5 self-reported) | Not publicly disclosed (website states 'low minimums') | Not publicly disclosed | capsules, powders, tablets |
| Lief Labs | Valencia, California | 0(+7 self-reported) | 2,500 units | 8-10 weeks (capsules and powders; varies by ingredient sourcing) | capsules, gummies, powders, tablets |
| Makers Nutrition | Commack, New York | 1(+2 self-reported) | 500 bottles (private label), 1,500 bottles (custom) | 4-6 weeks | capsules, gummies, powders, softgels, tablets |
| Matsun Nutrition | Murrieta, California | 0(+3 self-reported) | 12 bottles (private label) | 1-2 days (in-stock), custom varies | capsules, gummies, liquids, powders |
| Natural Alternatives International | Carlsbad, CA | 0(+3 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, powders, tablets |
| Nufacturing | Brunswick, OH | 0(+4 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, powders, tablets |
| Nutra Manufacturing | Greenville, South Carolina | 0(+2 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, powders, softgels, tablets |
| NutraPak USA | Carlstadt, New Jersey | 0(+2 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, liquids, powders, softgels, tablets |
| NutraScience Labs | Farmingdale, New York | 0(+3 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, powders, softgels, tablets |
| NutriSport Pharmacal | , New Jersey | 0(+3 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, powders, softgels, tablets |
| Pharmatech Labs | Lindon, UT | 0(+2 self-reported) | Not publicly disclosed | Not publicly disclosed | liquids, powders |
| Pro Safe Nutritionals | , | 0(+6 self-reported) | 3,000 units (capsules/tablets), 5,000 units (gummies) | Not publicly disclosed | capsules, gummies, powders, softgels, tablets |
| Robinson Pharma | Santa Ana, California | 2(+6 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, gummies, liquids, powders, softgels, tablets |
| Rose City Nutritionalsdisclosed | Vancouver, Washington | 0(+3 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, powders, tablets |
| Sawgrass Nutra Labs | Jacksonville, Florida | 0(+2 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, powders |
| SMP Nutra | Largo, Florida | 1(+2 self-reported) | 1,000 bottles (stock), 1,500-2,000 bottles (custom) | 6-8 weeks (stock products) | capsules, gummies, powders, softgels, tablets |
| SRK Nutritionals | Ronkonkoma, New York | 0(+3 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, gummies, powders, softgels, tablets |
| Summit Rx | Bayonne, New Jersey | 1(+3 self-reported) | 120,000 capsules, 500 kg powder, 120,000 gummies, 120,000 softgels, 120,000 tablets, 2,000 liquid units, 25,000 stick packs | 6-8 weeks (first orders), 4-6 weeks (reorders) | capsules, gummies, powders |
| Sun-Pac Manufacturing | Tampa, FL | 0(+5 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, powders, tablets |
| Tishcon Corporation | Westbury, New York | 0(+6 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, powders, softgels, tablets |
| Vitalpax | La Verkin, Utah | 1(+5 self-reported) | Not publicly disclosed | Not publicly disclosed | capsules, liquids, powders, softgels, tablets |
| Vitaquest International | West Caldwell, New Jersey | 1(+7 self-reported) | 4,100+ bottles (varies by format) | 12-16 weeks | capsules, chewables, effervescent, powders, tablets |
What This Comparison Shows
Certification status
Most contract manufacturers in this comparison hold independently confirmed cGMPcGMP (Current Good Manufacturing Practice)FDA's mandatory quality standards for supplement manufacturing facilities. and FDA registrationFDA Facility RegistrationMandatory registration of food/supplement manufacturing facilities with FDA. credentials. Certification counts range from 0 to 2 confirmed. “Confirmed” means we found the credential in an independent public database (NSFNSF InternationalIndependent third-party organization that tests and certifies supplement manufacturing facilities and products. directory, USPUSP (United States Pharmacopeia)Independent scientific organization that sets quality standards for medicines and supplements. registry, SQFSQF (Safe Quality Food)GFSI-benchmarked food safety and quality management certification program.database). FDA facility registration is a legal requirement, not a certification, and is not publicly searchable; we note it as self-reported. “Self-reported” means the manufacturer claims the credential on their website or marketing materials.
Minimum order quantities
MOQsMOQ (Minimum Order Quantity)The smallest production run a manufacturer will accept for an order. vary significantly across dosage formsDosage FormThe physical form in which a supplement is delivered (capsule, tablet, powder, etc.).. Some manufacturers accept orders as low as 500 bottles (private labelPrivate LabelPre-made supplement formulas that a brand can sell under its own label.), while others require 300,000+ units. 23 manufacturers do not publicly disclose their MOQ. MOQ information is sourced from manufacturer websites and may differ from actual quotes.
Scope of our review
Our review covers publicly available information: certifications, capabilities, location, dosage forms, and FDA compliance history. Items like financial stability, insurance coverage, specific batch capacity, quality agreementQuality AgreementA contract defining quality responsibilities between a brand and its contract manufacturer. templates, and detailed quality control procedures are beyond our current review scope and should be evaluated through direct conversation with the manufacturer.
What This Comparison Does Not Show
- Product quality or batch consistency. These require on-site audits, batch records, and product testing.
- Pricing. Contract manufacturing pricing depends on formulation, volume, ingredients, and packaging. Get quotes directly.
- Customer satisfaction or delivery reliability. We do not collect or publish subjective reviews.
- All available manufacturers. Many qualified contract manufacturers are not yet in our directory.
This comparison reflects information available at the time of each manufacturer's last review. Individual profiles show their specific review dates. Manufacturer capabilities and certifications can change. Check individual profiles and manufacturer websites for the most current information.
What This Comparison Does Not Cover
- Manufacturing quality, batch-to-batch consistency, or facility conditions
- Pricing, payment terms, or financial stability
- Responsiveness, communication quality, or project management
- Ingredient sourcing practices or supply chain integrity
- Capacity utilization or current production backlog
Disclaimer: This comparison is educational content based on publicly available information. It is not a recommendation, endorsement, or guarantee of any manufacturer. Inventory Ready's assessments represent editorial opinions, not certifications or audits. Always conduct your own due diligence, including facility visits, before entering into manufacturing agreements. See our Terms of Service.