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Top 88 Assessed Supplement Ingredient Suppliers (2026)

Recorded sources last checked on October 10, 2026. 3 of 3 recorded claims have no open issue recorded. Source check due March 30, 2027.

By Greg Huang, founder since 2009 in the dietary supplement and nutrition industry

The short answer

The ingredient suppliers listed first, by certifications we confirmed in public registries, are AIDP (2 confirmed) and Stauber Performance Ingredients (2 confirmed). 41 of 88 suppliers hold at least one certification we confirmed in a public registry, such as the NSF listings directory or the FSSC 22000 public register. 88 suppliers listed, each with cited sources.

This order reflects publicly confirmable credentials, not ingredient quality. A supplier near the bottom of this list may be the best fit for your product.

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.

How We Ordered These Suppliers

This list uses two criteria, applied in order:

  1. Independently confirmed certifications (more = higher on the list). “Confirmed” means we found the certification in a public registry and it covers the supplier. Any other credential on a profile, such as one the supplier states or a listing whose scope we have not confirmed, is shown for each supplier and does not count toward the order.
  2. Alphabetical order as the tiebreaker when confirmed certification counts are equal.

Listing tier and commercial status play no part in the order. The list rewards public accountability and credential transparency. It does not measure ingredient quality, purity, potency, pricing, or service.

Quick Comparison

The Confirmed column counts certifications we found in a public registry. The Not confirmed column counts every other credential the profile lists, including compliance and registration statements, which are not certifications.

#SupplierConfirmedNot confirmedLocation
1AIDP21City of Industry, California
2Stauber Performance Ingredients22Fullerton, California
3Alvinesa Natural Ingredients10Daimiel, Spain
4Bioseutica14Abbotsford, British Columbia, Canada
5Biotron Laboratories LLC (dba Talus Mineral / Actylis)10Centerville, Utah
6Bizen Chemical Co., Ltd.10Akaiwa, Okayama, Japan
7Botanic Healthcare Private Limited10Hyderabad, Telangana, India
8Dr. Paul Lohmann GmbH & Co. KGaA13Emmerthal, Germany
9dsm-firmenich Health, Nutrition & Care11Parsippany, New Jersey, Netherlands
10Embria Health Sciences, L.L.C.10Ankeny, Iowa
11Fermenta Biotech Limited10Haridwar, Uttarakhand, India
12GELITA AG11Eberbach, Germany
13Gustav Heess Oleochemische Erzeugnisse GmbH12Leonberg, Baden-Wurttemberg, Germany
14HBI Enzymes Inc.10Shiso, Hyogo, Japan
15Indena S.p.A.11Milan, Italy
16Indfrag Biosciences Private Limited10Hosur, Tamil Nadu, India
17Indus Biotech Limited10Lonand, Maharashtra, India
18Ingex Botanicals Pvt Ltd10Bengaluru, Karnataka, India
19Ingredient Innovations International dba 3i Solutions10Wooster, Ohio
20Ingredients by Nature LLC10Montclair, California
21Katra Phytochem [India] Private Limited10Bengaluru, Karnataka, India
22Konark Herbals and HealthCare Pvt Ltd10Daman, Daman, India
23Laila Nutra Private Limited10Vijayawada, Andhra Pradesh, India
24Liquadry, Inc.10Abraham, Utah
25Lonza Capsules & Health Ingredients12Switzerland
26Maruzen Pharmaceuticals Co., Ltd.10Onomichi, Hiroshima, Japan
27Matsutani Chemical Industry Co., Ltd.10Itami, Hyogo, Japan
28Monteloeder S.L.10Elche, Alicante, Spain
29NAGASE VIITA CO., LTD.10Okayama, Okayama, Japan
30Natural Remedies Private Limited10Bangalore, Karnataka, India
31Nektium Pharma S.L.12Spain
32Novotech Nutraceuticals, Inc.10Ventura, California
33NP Nutra12Gardena, California
34Sabinsa Corporation14East Windsor, New Jersey
35Synergia Life Sciences Pvt. Ltd.10Palghar, Maharashtra, India
36Thar Process, LLC10Pittsburgh, Pennsylvania
37Toyo Shinyaku Co., Ltd.10Tosu, Saga, Japan
38TSI Group Co., Ltd.10Jiangyin, Jiangsu, China
39Unicorn Natural Products Private Limited10Hyderabad, Telangana, India
40Unique Biotech Limited10Hyderabad, Telangana, India
41Yaegaki Biotechnology, Inc.10Himeji, Hyogo, Japan
42Ajinomoto Co., Inc.01Tokyo, Japan
43Aker BioMarine01Lysaker, Norway
44Albion Minerals (Balchem)01Clearfield, Utah
45Amino Up Co., Ltd.01Sapporo, Japan
46Arjuna Natural00India
47Asahi Group Foods01Tokyo, Japan
48AstaReal (Fuji Chemical Industries)01Moses Lake, Washington, Japan
49BASF Newtrition01Ludwigshafen, Germany
50Bergstrom Nutrition02Vancouver, Washington
51Bioenergy Life Science, Inc.03Ham Lake, Minnesota
52BioGaia AB01St. Louis, Missouri, Sweden
53Blue California00Not disclosed
54Croda. Incromega01Princeton, New Jersey, United Kingdom
55ESM Technologies LLC dba Stratum Nutrition01Carthage, Missouri
56Euromed (Dermapharm)01Bridgeville, Pennsylvania, Spain
57Evonik Health Care. Nutrition01Essen, Germany
58FutureCeuticals04Not disclosed
59GC Rieber VivoMega01Kristiansund, Norway
60Glanbia Nutritionals. Health & Nutrition01Chicago, Illinois, Ireland
61Gnosis by Lesaffre01Desio, Italy
62Golden Omega S.A.01Arica, Arica y Parinacota, Chile
63Horphag Research01Geneva, Switzerland
64JBSL-USA (Japan Bio Science Laboratory)01Walnut Creek, California, Japan
65Kaneka Nutrients01Pasadena, Texas, Japan
66Kerry ProActive Health01Beloit, Wisconsin, Ireland
67Kyowa Hakko USA01New York, New York
68Lallemand Health Solutions01Blagnac, France
69Lycored01Somerville, New Jersey, Israel
70Martin Bauer Group / Finzelberg01Vestenbergsgreuth, Germany
71Maypro Industries00Purchase, New York
72Mineral Resources International02Ogden, Utah
73Mitsubishi Gas Chemical. BioPQQ01Tokyo, Japan
74Morinaga Milk Industry Co., Ltd.01Tokyo, Japan
75Nexira01Rouen, France
76Niagen Bioscience (formerly ChromaDex)00Los Angeles, California
77Nitta Gelatin (Wellnex)01Morrisville, North Carolina, Japan
78Novonesis (formerly Chr. Hansen)01Hoersholm, Denmark
79Nutriventia Limited01India
80OmniActive Health Technologies01India
81Oryza Oil & Fat Chemical Co., Ltd.01Ichinomiya, Japan
82PLT Health Solutions00Morristown, New Jersey
83Prinova (Nagase Group)01Chicago, Illinois, Japan
84Probi AB (Symrise)01Redmond, Washington, Sweden
85Probiotical S.p.A.02Novara, Italy
86Rousselot (Darling Ingredients)01Mukwonago, Wisconsin, Belgium
87Taiyo International (Taiyo Kagaku)01Minneapolis, Minnesota, Japan
88Vidya Herbs Pvt. Ltd.01India

Detailed Profiles

1

AIDP

City of Industry, California

Confirmed certifications (2)

  • NSF GMP Registered
  • QAI Certified Organic

Listed on the profile, not confirmed in a public registry: NSF for Sport

2

Stauber Performance Ingredients

Fullerton, California

Confirmed certifications (2)

  • SQF Certified
  • QAI Organic (USDA NOP)

Listed on the profile, not confirmed in a public registry: cGMP Compliant, HACCP

Confirmed certifications (1)

  • FSSC 22000
4

Bioseutica

Abbotsford, British Columbia, Canada

Confirmed certifications (1)

  • FSSC 22000

Listed on the profile, not confirmed in a public registry: EU GMP, HACCP, Kosher, Halal

Confirmed certifications (1)

  • NSF GMP Registered
6

Bizen Chemical Co., Ltd.

Akaiwa, Okayama, Japan

Confirmed certifications (1)

  • FSSC 22000
7

Botanic Healthcare Private Limited

Hyderabad, Telangana, India

Confirmed certifications (1)

  • NSF GMP Registered

Confirmed certifications (1)

  • FSSC 22000

Listed on the profile, not confirmed in a public registry: cGMP Compliant, ISO 9001, FDA Registered

9

dsm-firmenich Health, Nutrition & Care

Parsippany, New Jersey, Netherlands

Confirmed certifications (1)

  • FSSC 22000

Listed on the profile, not confirmed in a public registry: cGMP Compliant

Confirmed certifications (1)

  • NSF GMP Registered
11

Fermenta Biotech Limited

Haridwar, Uttarakhand, India

Confirmed certifications (1)

  • NSF GMP Registered
12

GELITA AG

Eberbach, Germany

Confirmed certifications (1)

  • FSSC 22000

Listed on the profile, not confirmed in a public registry: cGMP Compliant

13

Gustav Heess Oleochemische Erzeugnisse GmbH

Leonberg, Baden-Wurttemberg, Germany

Confirmed certifications (1)

  • USDA Organic

Listed on the profile, not confirmed in a public registry: ISO 9001, ISO/IEC 17025

14

HBI Enzymes Inc.

Shiso, Hyogo, Japan

Confirmed certifications (1)

  • FSSC 22000
15

Indena S.p.A.

Milan, Italy

Confirmed certifications (1)

  • FSSC 22000

Listed on the profile, not confirmed in a public registry: cGMP Compliant

16

Indfrag Biosciences Private Limited

Hosur, Tamil Nadu, India

Confirmed certifications (1)

  • NSF GMP Registered
17

Indus Biotech Limited

Lonand, Maharashtra, India

Confirmed certifications (1)

  • NSF GMP Registered
18

Ingex Botanicals Pvt Ltd

Bengaluru, Karnataka, India

Confirmed certifications (1)

  • NSF GMP Registered

Confirmed certifications (1)

  • NSF GMP Registered
20

Ingredients by Nature LLC

Montclair, California

Confirmed certifications (1)

  • NSF GMP Registered
21

Katra Phytochem [India] Private Limited

Bengaluru, Karnataka, India

Confirmed certifications (1)

  • NSF GMP Registered

Confirmed certifications (1)

  • NSF GMP Registered
23

Laila Nutra Private Limited

Vijayawada, Andhra Pradesh, India

Confirmed certifications (1)

  • NSF GMP Registered
24

Liquadry, Inc.

Abraham, Utah

Confirmed certifications (1)

  • NSF GMP Registered

Confirmed certifications (1)

  • FSSC 22000

Listed on the profile, not confirmed in a public registry: FDA Registered, cGMP Compliant

26

Maruzen Pharmaceuticals Co., Ltd.

Onomichi, Hiroshima, Japan

Confirmed certifications (1)

  • FSSC 22000

Confirmed certifications (1)

  • FSSC 22000
28

Monteloeder S.L.

Elche, Alicante, Spain

Confirmed certifications (1)

  • NSF GMP Registered
29

NAGASE VIITA CO., LTD.

Okayama, Okayama, Japan

Confirmed certifications (1)

  • FSSC 22000
30

Natural Remedies Private Limited

Bangalore, Karnataka, India

Confirmed certifications (1)

  • NSF GMP Registered

Confirmed certifications (1)

  • FSSC 22000

Listed on the profile, not confirmed in a public registry: FDA Registered, USDA Organic

32

Confirmed certifications (1)

  • NSF GMP Registered
33

NP Nutra

Gardena, California

Confirmed certifications (1)

  • QAI Organic (USDA NOP)

Listed on the profile, not confirmed in a public registry: Kosher, GFSI/SQF (Partner Facilities)

34

Sabinsa Corporation

East Windsor, New Jersey

Confirmed certifications (1)

  • NSF GMP (Sami-Sabinsa Group)

Listed on the profile, not confirmed in a public registry: FSSC 22000, ISO 22000, Kosher, Halal

35

Synergia Life Sciences Pvt. Ltd.

Palghar, Maharashtra, India

Confirmed certifications (1)

  • NSF GMP Registered
36

Thar Process, LLC

Pittsburgh, Pennsylvania

Confirmed certifications (1)

  • NSF GMP Registered
37

Toyo Shinyaku Co., Ltd.

Tosu, Saga, Japan

Confirmed certifications (1)

  • FSSC 22000
38

TSI Group Co., Ltd.

Jiangyin, Jiangsu, China

Confirmed certifications (1)

  • NSF GMP Registered
39

Unicorn Natural Products Private Limited

Hyderabad, Telangana, India

Confirmed certifications (1)

  • NSF GMP Registered
40

Unique Biotech Limited

Hyderabad, Telangana, India

Confirmed certifications (1)

  • NSF GMP Registered
41

Yaegaki Biotechnology, Inc.

Himeji, Hyogo, Japan

Confirmed certifications (1)

  • FSSC 22000
42

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

43

Aker BioMarine

Lysaker, Norway

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

44

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

45

Amino Up Co., Ltd.

Sapporo, Japan

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

Confirmed certifications (0)

No certifications independently confirmed at time of review

47

Asahi Group Foods

Tokyo, Japan

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

48

AstaReal (Fuji Chemical Industries)

Moses Lake, Washington, Japan

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

49

BASF Newtrition

Ludwigshafen, Germany

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

50

Bergstrom Nutrition

Vancouver, Washington

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant, ISO Compliant

51

Bioenergy Life Science, Inc.

Ham Lake, Minnesota

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: Non-GMO Project Verified, Kosher, Halal

52

BioGaia AB

St. Louis, Missouri, Sweden

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

53

Blue California

Not disclosed

Confirmed certifications (0)

No certifications independently confirmed at time of review

54

Croda. Incromega

Princeton, New Jersey, United Kingdom

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

56

Euromed (Dermapharm)

Bridgeville, Pennsylvania, Spain

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

58

FutureCeuticals

Not disclosed

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: Non-GMO Project Verified, USDA Organic, Rainforest Alliance Certified, Kosher

59

GC Rieber VivoMega

Kristiansund, Norway

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

60

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

61

Gnosis by Lesaffre

Desio, Italy

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

62

Golden Omega S.A.

Arica, Arica y Parinacota, Chile

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

63

Horphag Research

Geneva, Switzerland

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

64

JBSL-USA (Japan Bio Science Laboratory)

Walnut Creek, California, Japan

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

65

Kaneka Nutrients

Pasadena, Texas, Japan

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

66

Kerry ProActive Health

Beloit, Wisconsin, Ireland

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

67

Kyowa Hakko USA

New York, New York

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

69

Lycored

Somerville, New Jersey, Israel

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

70

Martin Bauer Group / Finzelberg

Vestenbergsgreuth, Germany

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

71

Maypro Industries

Purchase, New York

Confirmed certifications (0)

No certifications independently confirmed at time of review

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant, Non-GMO Project Verified

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

75

Nexira

Rouen, France

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

Confirmed certifications (0)

No certifications independently confirmed at time of review

77

Nitta Gelatin (Wellnex)

Morrisville, North Carolina, Japan

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: Clean Label Project

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: Non-GMO Project Verified

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

82

PLT Health Solutions

Morristown, New Jersey

Confirmed certifications (0)

No certifications independently confirmed at time of review

83

Prinova (Nagase Group)

Chicago, Illinois, Japan

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

84

Probi AB (Symrise)

Redmond, Washington, Sweden

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

85

Probiotical S.p.A.

Novara, Italy

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: ISO 22000, ISO 9001

86

Rousselot (Darling Ingredients)

Mukwonago, Wisconsin, Belgium

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

87

Taiyo International (Taiyo Kagaku)

Minneapolis, Minnesota, Japan

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: cGMP Compliant

Confirmed certifications (0)

No certifications independently confirmed at time of review

Listed on the profile, not confirmed in a public registry: NPA GMP Certified

What this analysis does not cover

  • Ingredient quality, purity, potency, or lot-to-lot consistency
  • Pricing, minimum order quantities, payment terms, or volume discounts
  • Customer service quality or communication responsiveness
  • Whether credentials we have not confirmed are accurate (they may be; we could not confirm them in a public registry)
  • Facility conditions (no on-site inspections were conducted)

Last updated: October 10, 2026. Each supplier profile shows the date it was last reviewed. Certifications can change between reviews. Confirm current credentials directly with any supplier you are evaluating. Read our full assessment method →

Filter these suppliers in the directory

The ingredient supplier directory lists the same suppliers with filters, and each profile documents its certifications and sources. Browse all ingredient suppliers →

Greg Huang, founder since 2009 in the dietary supplement and nutrition industry

Founder of Inventory Ready. Previously founded and operated multiple consumer brands in the dietary supplement and nutrition industry since summer 2009.

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