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Supplement manufacturers with a manufacturing or packaging facility on a public registry we check.

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Dosage form

Gummies0
Soft chews & chewables0
Capsules2
Tablets3
Softgels2
Powders3
Liquids2
Oils0
Lozenges0
Oral dissolving films0
Bars0

Operations

Dry formulation4
Encapsulation2
Tablet compression3
Liquid formulation2
Coating0
Molding0
Baking0
Kitting0
Sterilization0
Pasteurization0
Extraction1
Granulation0
Fermentation0
Enrobing0
Freeze-drying0
High-pressure processing0
Oil refining0
Spheronization0
Spray drying0

Certification

NSF/ANSI 455-25
NSF/ANSI 455-30
NSF/ANSI 455-40
Health Canada site licence0
NPA GMP0
Informed Manufacturer (not a GMP audit)0
USDA Organic0

Country

US state1 selected

US facilities only

Products & services

What each company’s own website says (not verified by us), or for product types its USDA Organic certificate lists.

Probiotics0
Collagen0
Herbal & botanical0
Protein0
Omega-3 & fish oil0
Vitamins & minerals1
Mushrooms0
CBD & hemp1
Electrolytes & hydration1
Pre-workout0
Creatine0
Pet supplements0
Prenatal0
Private label1
Custom formulation2
Contract manufacturing1
Turnkey1
Low minimums0
Small batches0
Packaging & bottling0
Stick packs & sachets1
Vegan0
Non-GMO0
Kosher0
Halal0
Gluten-free0
Organic products0

5 manufacturers

Connecticut

Blueroot Health, Inc.
Middletown, CT, United Statesvitalnutrients.net
- Capsules
- Powders
- Softgels
- Tablets
Operations:
- Tablet compression
- Encapsulation
- Dry formulation
NSF/ANSI 455-2checked Nov 1, 2026
JD Quality Pouches, LLC
Weston, CT, United Statesjdqualitypouches.com
Operations:
- Liquid formulation
- Dry formulation
NSF/ANSI 455-2checked Nov 1, 2026
Tower Laboratories, Ltd
Centerbrook, CT, United Statestowerlabs.com
- Powders
- Tablets
Operations:
- Tablet compression
- Dry formulation
NSF/ANSI 455-2checked Nov 1, 2026
Ultimate Nutrition Inc. / Prostar
Farmington, CT, United Statesultimatenutrition.com
- Capsules
- Liquids
- Powders
- Softgels
- Tablets
Operations:
- Tablet compression
- Encapsulation
- Dry formulation
NSF/ANSI 455-2checked Nov 1, 2026
Essential Herbal Formulas
Hebron, CT, United States
- Liquids
Operations:
- Extraction
- Liquid formulation
NSF/ANSI 455-2checked Nov 1, 2026

Certified Manufacturers

A directory of supplement manufacturers, each checked against public certification and licensing registries.

Dosage forms

All supplement manufacturers
NSF-certified manufacturers
Organic manufacturers
Gummy manufacturers
Capsule manufacturers
Tablet manufacturers
Softgel manufacturers
Powder manufacturers
Liquid manufacturers
Best supplement manufacturers

Product types

Prenatal vitamin manufacturers
Probiotic manufacturers
Collagen manufacturers
Herbal supplement manufacturers
Protein powder manufacturers
Fish oil & omega-3 manufacturers
Vitamin manufacturers
Mushroom supplement manufacturers
CBD & hemp manufacturers
Electrolyte manufacturers
Pre-workout manufacturers
Creatine manufacturers
Pet supplement manufacturers

Services

Stick pack manufacturers
Supplement packaging companies
Private label manufacturers
Custom formulation manufacturers
Contract manufacturers
Turnkey manufacturers
Low MOQ manufacturers
Small-batch manufacturers

Dietary & certifications

Vegan supplement manufacturers
Kosher supplement manufacturers
Halal supplement manufacturers
Non-GMO supplement manufacturers

Countries

Manufacturers in the USA
Manufacturers in the UK
Manufacturers in Canada
Manufacturers in Australia
Manufacturers in China
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Testing labs

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Guides

What is a certified manufacturer?
Certifications explained
How to verify a certification
Best certification to look for
How to find a manufacturer
Start a supplement business
Private label vs custom formula
Questions to ask a manufacturer
Are manufacturers FDA approved?
Supliful alternatives: choosing a supplement supply model
Supplement manufacturer sourcing platforms compared
How to sell supplements on Amazon: compliance steps
DSHEA and US dietary supplement regulation
New dietary ingredient notification: buyer checklist
Structure/function claims for dietary supplements
Dietary supplement label requirements: US checklist
Supplement shelf life: what buyers should ask
How is protein powder manufactured?
Supplement supplier vs manufacturer: who does what?
Supplement capability snapshot
Where Nature Made vitamins are made

Tools

Manufacturer audit checklist
Supplement cost calculator
Supplement Facts label generator
Capsule size chart
% Daily Value calculator
Certification checker
RFQ spec builder

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Certified Manufacturers is an independent directory and is not affiliated with or endorsed by NSF International, any government agency, or any certifier or regulator. Certification data is taken from public listings and may change between our checks; confirm current status with the certifier or regulator before relying on it.