Supplement Brand Directory

We score every product on the same four-pillar rubric regardless of brand reputation or marketing spend. Below are the brands in our database, ranked by average product grade across all supplements we have scored.

Sort by:

Optimum Nutrition

2 products scored

91/100
avg score
Third-party tested

100%

Avg cost/day

$0.71

Optimum Nutrition is one of the most recognized names in sports nutrition, best known for their Gold Standard Whey Protein and micronized creatine.

Informed ChoiceGMP Certified

Nordic Naturals

1 product scored

91/100
avg score
Third-party tested

100%

Avg cost/day

$0.47

Nordic Naturals is a specialist brand focused almost entirely on omega-3 fish oil.

IFOS 5-StarFriend of the Sea

Carlson

1 product scored

91/100
avg score
Third-party tested

100%

Avg cost/day

$0.46

Carlson is a family-owned company that, like Nordic Naturals, specializes in fish oil.

IFOS CertifiedFDA-registered lab tested

Nature Made

10 products scored

89/100
avg score
Third-party tested

100%

Avg cost/day

$0.09

Nature Made is the #1 pharmacist-recommended supplement brand in the US and carries USP Verified status on many products.

USP VerifiedGMP Certified

Jarrow Formulas

6 products scored

88/100
avg score
Third-party tested

33%

Avg cost/day

$0.20

Jarrow Formulas has been producing science-based supplements since 1977.

GMP Certified

Doctor's Best

4 products scored

88/100
avg score
Third-party tested

75%

Avg cost/day

$0.15

Doctor's Best is a value-focused brand that frequently uses branded, patented ingredients - Albion TRAACS chelated minerals, BioPerine, C3 Complex curcumin.

GMP Certified

Thorne

14 products scored

87/100
avg score
Third-party tested

100%

Avg cost/day

$0.65

Thorne is a practitioner-grade supplement company trusted by Mayo Clinic, multiple professional sports teams, and the US Olympic Committee.

NSF Certified for SportcGMP+

NOW Foods

15 products scored

86/100
avg score
Third-party tested

60%

Avg cost/day

$0.22

NOW Foods is one of the largest supplement manufacturers in the US, founded in 1968.

NPA GMP AuditedISO 17025 lab

Sports Research

5 products scored

86/100
avg score
Third-party tested

100%

Avg cost/day

$0.33

Sports Research is a newer entrant in the supplement space that has differentiated itself through third-party testing credentials.

Informed Sport CertifiedIFOS 5-Star

Kirkland Signature

3 products scored

86/100
avg score
Third-party tested

100%

Avg cost/day

$0.04

Kirkland Signature is Costco's private-label brand, and it consistently punches above its weight in supplement quality.

USP Verified

Nutricost

3 products scored

85/100
avg score
Third-party tested

67%

Avg cost/day

$0.14

Nutricost is a budget brand with a minimalist approach: simple, single-ingredient formulations at the lowest possible price.

GMP Certified

Solgar

2 products scored

85/100
avg score
Third-party tested

100%

Avg cost/day

$0.22

Solgar has been manufacturing supplements since 1947, making them one of the oldest brands in the industry.

GMP Certified

Ritual

2 products scored

84/100
avg score
Third-party tested

100%

Avg cost/day

$1.15

Ritual built its reputation on one thing: ingredient traceability.

NSF CertifiedThird-party tested

Nootropics Depot

6 products scored

83/100
avg score
Third-party tested

83%

Avg cost/day

$0.50

Nootropics Depot is a specialty supplier that built its reputation on one thing: purity verification.

HPLC testedCOA available (per batch)

Life Extension

9 products scored

82/100
avg score
Third-party tested

89%

Avg cost/day

$0.31

Life Extension is a research-focused brand that funds its own clinical studies and tends to use patented, branded ingredients in its formulations.

Third-party testedGMP Certified

Momentous

4 products scored

82/100
avg score
Third-party tested

100%

Avg cost/day

$1.58

Momentous is a performance supplement brand that has done something few competitors manage: achieving both NSF Certified for Sport and Informed Sport certification across its product line.

NSF Certified for SportInformed Sport

Pure Encapsulations

11 products scored

81/100
avg score
Third-party tested

91%

Avg cost/day

$0.60

Pure Encapsulations is a practitioner-grade brand built around one principle: hypoallergenic formulations with no unnecessary additives.

Eurofins/Silliker testedGMP+ certified

Transparent Labs

4 products scored

81/100
avg score
Third-party tested

100%

Avg cost/day

$2.34

Transparent Labs built its entire brand around the thing most supplement companies avoid: showing you exactly what is in the product and at what dose.

Informed ChoiceThird-party tested

Garden of Life

8 products scored

78/100
avg score
Third-party tested

75%

Avg cost/day

$0.40

Garden of Life positions itself as the organic, whole-food supplement brand.

USDA OrganicNon-GMO Project Verified

Legion Athletics

2 products scored

77/100
avg score
Third-party tested

100%

Avg cost/day

$2.22

Legion Athletics, founded by Mike Matthews, operates on a simple promise: every product uses only ingredients backed by peer-reviewed research, dosed at clinically effective levels, with no proprietary blends.

Labdoor CertifiedGMP Certified

Double Wood Supplements

5 products scored

76/100
avg score
Third-party tested

40%

Avg cost/day

$0.49

Double Wood Supplements is an Amazon-native brand focused on nootropics and specialty cognitive supplements.

GMP CertifiedThird-party tested

Gaia Herbs

5 products scored

71/100
avg score
Third-party tested

80%

Avg cost/day

$0.65

Gaia Herbs is one of the oldest and most respected herbal supplement companies in the US, founded in 1987 on an organic farm in North Carolina.

NSF Contents CertifiedNon-GMO Project Verified

BulkSupplements

3 products scored

71/100
avg score
Third-party tested

0%

Avg cost/day

$0.07

BulkSupplements is exactly what the name suggests: a raw ingredient supplier that sells pure, single-ingredient powders with minimal processing, minimal packaging, and minimal price markup.

GMP CertifiedFDA-registered facility

AG1

1 product scored

71/100
avg score
Third-party tested

100%

Avg cost/day

$2.63

AG1 (formerly Athletic Greens) is a greens powder that packages 75 vitamins, minerals, probiotics, and phytonutrients into a single daily drink.

NSF Certified for SportGMP Certified

Spring Valley

13 products scored

64/100
avg score
Third-party tested

0%

Avg cost/day

$0.10

Spring Valley is Walmart's store-brand supplement line and one of the highest-volume supplement brands in the US by sheer unit sales.

USP Verified (select products)GMP Certified

Horbaach

8 products scored

49/100
avg score
Third-party tested

0%

Avg cost/day

$0.37

Horbaach is an Amazon-native supplement brand that competes on price.

GMP CertifiedThird-party tested (internal)

Seeking Health

0 products scored

0/100
avg score
Third-party tested

0%

Avg cost/day

$0.00

Seeking Health was founded by Dr.

Third-party testedGMP Certified