Collagen Manufacturers in California
12 collagen manufacturers in California have a GMP-certified facility (NSF/ANSI 455-2) or an Informed Manufacturer certified facility; for 5 of them a USDA Organic certificate lists collagen items, and 7 say on their own website that they make collagen products. USDA Organic item lists checked October 1, 2026; website claims checked October 16, 2026; certification data checked November 1, 2026.
Looking for a collagen manufacturer in the USA? Compare the listings below for private label collagen. Use the country and state links to narrow your shortlist.
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All 12 manufacturers
Order: featured, listings with a website, then A–Z.
Says it makes collagen productscompany website
Rancho Cucamonga, CA, United Statesamaxinutrition.com
- Powders
Operations:- Dry formulation
NSF/ANSI 455-2checked Nov 1, 2026Eagleshine Group Inc.
USDA OrganicUSDA Organic certificate lists collagen itemsUSDA Organic Integrity Database
Corona, CA, United Stateseagleshinegroup.com
- Capsules
- Liquids
- Oils
- Powders
- Softgels
- Tablets
NSF/ANSI 455-2checked Nov 1, 2026USDA Organic certificate lists collagen itemsUSDA Organic Integrity Database
Ontario, CA, United Stateseverestpackaging.com
- Capsules
- Powders
Operations:- Encapsulation
NSF/ANSI 455-2checked Nov 1, 2026Says it makes collagen productscompany website
Riverside, CA, United Stateskelkerpharma.com
- Capsules
- Powders
- Tablets
Operations:- Tablet compression
- Encapsulation
- Dry formulation
NSF/ANSI 455-2checked Nov 1, 2026Organic by Nature, Inc.
USDA OrganicUSDA Organic certificate lists collagen itemsUSDA Organic Integrity Database
Rancho Dominguez, CA, United Statesorganicbynatureinc.com
- Capsules
- Powders
- Tablets
Operations:- Kitting
- Tablet compression
- Encapsulation
- Dry formulation
NSF/ANSI 455-2checked Nov 1, 2026Robinson Pharma, Inc.
USDA OrganicUSDA Organic certificate lists collagen itemsUSDA Organic Integrity Database
Costa Mesa, CA, United Statesrobinsonpharma.com
- Capsules
- Gummies
- Liquids
- Oils
- Powders
- Softgels
- +1 more
Operations:- Molding
- Coating
- Liquid formulation
- Tablet compression
- +2 more
NSF/ANSI 455-2checked Nov 1, 2026Simpson Labs LLC
USDA OrganicSays it makes collagen productscompany website
Valencia, CA, United Statessimpsonlabs.net
- Capsules
- Powders
Operations:- Encapsulation
- Dry formulation
NSF/ANSI 455-2checked Nov 1, 2026Says it makes collagen productscompany website
Temecula, CA, United Statesvitaplusinter.com
- Capsules
- Gummies
- Powders
- Tablets
Operations:- Molding
- Liquid formulation
- Tablet compression
- Encapsulation
- +1 more
NSF/ANSI 455-2checked Nov 1, 2026Says it makes collagen productscompany website
Santa Ana, CA, United Statesvitapluspharm.com
- Gummies
Operations:- Molding
NSF/ANSI 455-2checked Nov 1, 2026Says it makes collagen productscompany website
Norco, CA, United Statesaurasciences.com
- Gummies
- Softgels
Operations:- Molding
- Encapsulation
NSF/ANSI 455-2checked Nov 1, 2026USDA Organic certificate lists collagen itemsUSDA Organic Integrity Database
South Gate, CA, United Stateswcnfoods.com
- Powders
Operations:- Dry formulation
NSF/ANSI 455-2checked Nov 1, 2026Says it makes collagen productscompany website
Stanton, CA, United Stateswhitebottle.com
- Capsules
- Powders
- Softgels
- Tablets
Operations:- Encapsulation
- Dry formulation
NSF/ANSI 455-2checked Nov 1, 2026
Compare collagen manufacturers at a glance in California
- The most common dosage forms in the listed scope of these 12 collagen manufacturers in California are powders (10), capsules (8) and tablets (6).
- 12 of the 12 collagen manufacturers in California list a company website.
| Manufacturer | Location | Dosage forms in listed scope | Certification | Last checked |
|---|---|---|---|---|
| Amaxi Nutrition Products, Inc. | Rancho Cucamonga, CA | Powders | NSF/ANSI 455-2 | |
| Eagleshine Group Inc. | Corona, CA | Capsules, Liquids, Oils, Powders, Softgels, Tablets | NSF/ANSI 455-2, USDA Organic | |
| Everest Formulations | Ontario, CA | Capsules, Powders | NSF/ANSI 455-2 | |
| Kelker Pharma, Inc. | Riverside, CA | Capsules, Powders, Tablets | NSF/ANSI 455-2 | |
| Organic by Nature, Inc. | Rancho Dominguez, CA | Capsules, Powders, Tablets | NSF/ANSI 455-2, USDA Organic | |
| Robinson Pharma, Inc. | Costa Mesa, CA | Capsules, Gummies, Liquids, Oils, Powders, Softgels, +1 more | NSF/ANSI 455-2, USDA Organic | |
| Simpson Labs LLC | Valencia, CA | Capsules, Powders | NSF/ANSI 455-2, Informed Manufacturer (not a GMP audit), USDA Organic | |
| Vita Plus Inter Co., Ltd | Temecula, CA | Capsules, Gummies, Powders, Tablets | NSF/ANSI 455-2 | |
| Vita Plus Pharm Inc | Santa Ana, CA | Gummies | NSF/ANSI 455-2 | |
| Wellnes Holding LLC dba Aura Sciences | Norco, CA | Gummies, Softgels | NSF/ANSI 455-2 | |
| West Coast Naturals | South Gate, CA | Powders | NSF/ANSI 455-2 | |
| White Bottle, Inc. | Stanton, CA | Capsules, Powders, Softgels, Tablets | NSF/ANSI 455-2 |
Questions buyers ask
How do I choose a collagen manufacturer in the USA?
Start with the USA list, check the exact facility and its certificate scope, and confirm private label collagen. Ask for the minimum order, first-run and reorder lead times, testing plan and an itemized quote. Website capabilities are company claims unless a separate registry basis is shown; confirm the proposed work directly.
What should I ask a collagen manufacturer?
Ask which collagen sources they can use (for example bovine or marine), how they document where it comes from, what they test for, such as heavy metals and microbes, and which formats they make, such as powder, capsules or gummies. If you plan claims like grass-fed or wild-caught, ask for supplier paperwork that supports them.
Do you verify that these companies make collagen products?
No. A company is listed here when one of its facilities is on a public registry we check and either its USDA Organic certificate lists collagen items or its own website says it makes collagen products. The USDA Organic item list is the certifier’s record of what the operation is certified to handle organically, as we found it in the USDA Organic Integrity Database on the date shown; it covers organic items only and is not a test of any product. A website claim is the company’s own statement: we keep the quote, the page and the date we checked. Each card says which applies. Confirm either with the manufacturer before you rely on it.
What should I ask for in a quote request?
Ask for minimum order quantity, lead times, formulation options, testing and certificates of analysis, in writing. In detail: ask about minimum order quantity (MOQ) per SKU, lead time for a first run and for reorders, whether they offer stock formulas or custom formulation, who sources raw materials, what testing they run (identity, potency, microbiological, heavy metals) and whether you receive a certificate of analysis (COA) per batch, and whether they support the label claims you plan to make. Terms vary widely by manufacturer, so compare written answers rather than assumptions.
How do I verify a manufacturer’s GMP certification myself?
Ask the manufacturer for their current certificate and the exact facility address it covers, then look that facility up on the certifier’s public listing (for NSF/ANSI 455, NSF’s online listings). Certificates apply to specific sites, so make sure the facility that will make your product is the one listed. Each profile here links to the public listing we checked and the date we checked it.
How do I compare collagen manufacturers in California?
Check the facility address and the scope shown on its registry record, then confirm that the proposed work will take place at that site in California. Ask for a written quote with minimum order, testing, packaging, freight and lead times. A company address alone does not establish where your order will be made.