The 50 Most Trusted Supplement Brands of 2026

We ranked all 7,882 supplement brands in our database by an independent trust score — based on FDA recall data, NSF, USP, and Informed Sport certifications, and transparency signals. Here are the 50 brands that came out on top for 2026.

· · Data last updated April 3, 2026

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What the Data Shows

Across 7,882 supplement brands analyzed:

64.4
avg trust score
501
A+/A grade brands
186
brands with FDA action
99.8
avg score, top 50

Of the top 50: 22 NSF certified · 1 USP verified · 28 Informed Sport/Choice · 50 with zero FDA recalls or warnings.

How We Ranked Them

Every brand starts at a baseline of 70/100. We then add bonuses for quality signals and subtract penalties for red flags — all from publicly available data.

Bonuses (+)

  • +15 NSF Certified for Sport
  • +15 USP Verified
  • +10 Informed Sport / Informed Choice
  • +10 Publishes batch lab results
  • +10 Clean FDA record
  • +10 10+ years in business
  • +5 GMP certified

Penalties (−)

  • −50 FTC pyramid scheme action
  • −25 FDA warning letter
  • −20 FDA recall
  • −20 FTC deceptive claims
  • −15 High adverse event count
  • −15 No third-party testing
  • −10 Proprietary blends / no GMP

Data sources: FDA recalls (openFDA), FDA adverse events (CAERS), FDA warning letters, NSF certified products database, USP verification program, Informed Sport/Choice registries, Health Canada LNHPD, and FTC enforcement actions. Ties on trust score are broken by total number of recognized certifications, then fewer FDA recalls, then years in business. See our full methodology page.

The Top 10 Most Trusted Supplement Brands

Each of the top 10 holds at least one recognized third-party certification and has a publicly verifiable trust record. Click any brand for the full report with FDA history, score breakdown, and red/green flags.

Rank
#1
Rule 1 Proteins (R1)
100 /100 A+
NSFInformed SportGMP

Rule 1 Proteins (R1) has a SupplementChecker.co trust score of 100/100, which is Grade A+ and indicates a LOW risk level. Rule 1 Proteins (R1) products are certified by NSF Certified for Sport and Informed Sport, indicating rigorous third-party testing for ...

Founded 2014 HQ US 0 recalls 0 warning letters

Why it's trusted

NSF Certified for Sport, Informed Sport certified, holds GMP certification and clean FDA record. Trust score 100/100.

Rank
#2
Shaklee
100 /100 A+
USPGMP

Shaklee has a SupplementChecker trust score of 100/100, which is an A+ grade and indicates a low level of risk. Shaklee products are USP Verified, meaning they have undergone third-party testing for identity, strength, and purity. This, combined with a clea...

Founded 1956 HQ US 0 recalls 0 warning letters

Why it's trusted

USP Verified, holds GMP certification, clean FDA record and 70+ years in business. Trust score 100/100.

Rank
#3
Bronson Vitamins
100 /100 A+
NSFGMP

Bronson Vitamins has a SupplementChecker.co trust score of 100/100, which is an A+ grade and indicates a low risk level. Bronson Vitamins is NSF Certified for Sport, meaning their products are tested for banned substances. This, combined with a long history...

Founded 1960 HQ US 0 recalls 0 warning letters

Why it's trusted

NSF Certified for Sport, holds GMP certification, clean FDA record and 66+ years in business. Trust score 100/100.

Rank
#4
NaturesPlus
100 /100 A+
NSFGMP

NaturesPlus has a SupplementChecker trust score of 100/100, which is an A+ grade, indicating a LOW risk level. NaturesPlus is NSF Certified for Sport, meaning their products are tested for banned substances. While they do not publish lab results, their clea...

Founded 1972 HQ US 0 recalls 0 warning letters

Why it's trusted

NSF Certified for Sport, holds GMP certification, clean FDA record and 54+ years in business. Trust score 100/100.

Rank
#5
NSFGMP

Trace Minerals Research has a SupplementChecker trust score of 100/100, which is an A+ grade and indicates a LOW risk level. Trace Minerals Research is NSF Certified for Sport, meaning their products are tested for banned substances. This certification, com...

Founded 1972 HQ US 0 recalls 0 warning letters

Why it's trusted

NSF Certified for Sport, holds GMP certification, clean FDA record and 54+ years in business. Trust score 100/100.

Rank
#6
Starwest Botanicals
100 /100 A+
NSFGMPOrganic

Starwest Botanicals has a SupplementChecker.co trust score of 100/100, which is an A+ grade and indicates a LOW risk level. Starwest Botanicals is NSF Certified for Sport, meaning their products are tested for banned substances. This, combined with a long h...

Founded 1975 HQ US 0 recalls 0 warning letters

Why it's trusted

NSF Certified for Sport, holds GMP certification, clean FDA record and 51+ years in business. Trust score 100/100.

Rank
#7
NSFGMP

Integrative Therapeutics has a SupplementChecker.co trust score of 100/100, which is an A+ grade and indicates a LOW risk level. Integrative Therapeutics products are NSF Certified for Sport, meaning they are tested for banned substances. This, combined wit...

Founded 1981 HQ US 0 recalls 0 warning letters

Why it's trusted

NSF Certified for Sport, holds GMP certification, clean FDA record and 45+ years in business. Trust score 100/100.

Rank
#8
Optimum Nutrition
100 /100 A+
Informed SportGMP

Optimum Nutrition has a SupplementChecker.co trust score of 100/100, which is an A+ grade, indicating a low level of risk. Optimum Nutrition products are Informed Sport certified, meaning every batch is tested for banned substances. This is a positive signa...

Founded 1986 HQ US 0 recalls 0 warning letters

Why it's trusted

Informed Sport certified, holds GMP certification, clean FDA record and 40+ years in business. Trust score 100/100.

Rank
#9
Priority One Vitamins
100 /100 A+
NSFGMP

Priority One Vitamins has a SupplementChecker trust score of 100/100, which is an A+ grade and indicates a low risk level. Priority One Vitamins is NSF Certified for Sport, meaning their products are tested for banned substances. This is a positive indicato...

Founded 1988 HQ US 0 recalls 0 warning letters

Why it's trusted

NSF Certified for Sport, holds GMP certification, clean FDA record and 38+ years in business. Trust score 100/100.

Rank
#10
ProHealth Longevity
100 /100 A+
NSFGMP

ProHealth Longevity has a SupplementChecker trust score of 100/100, which is an A+ grade and indicates a LOW risk level. ProHealth Longevity products are NSF Certified for Sport, which means they are tested for banned substances. This certification, combine...

Founded 1988 HQ US 0 recalls 0 warning letters

Why it's trusted

NSF Certified for Sport, holds GMP certification, clean FDA record and 38+ years in business. Trust score 100/100.

The Full Top 50 Ranking

Every brand linked below has a full trust report — FDA history, certification verification, score breakdown, red/green flags, and where to buy.

# Brand Score Grade Certifications Founded
1 Rule 1 Proteins (R1) 100 A+
NSFInformed SportGMP
2014
2 Shaklee 100 A+
USPGMP
1956
3 Bronson Vitamins 100 A+
NSFGMP
1960
4 NaturesPlus 100 A+
NSFGMP
1972
5 Trace Minerals Research 100 A+
NSFGMP
1972
6 Starwest Botanicals 100 A+
NSFGMPOrganic
1975
7 Integrative Therapeutics 100 A+
NSFGMP
1981
8 Optimum Nutrition 100 A+
Informed SportGMP
1986
9 Priority One Vitamins 100 A+
NSFGMP
1988
10 ProHealth Longevity 100 A+
NSFGMP
1988
11 Bluebonnet Nutrition 100 A+
NSFGMP
1991
12 SIS (Science in Sport) 100 A+
Informed SportGMP
1992
13 GU Energy Labs 100 A+
Informed SportGMP
1993
14 Juice Plus+ 100 A+
NSFGMP
1993
15 Dymatize 100 A+
Informed SportGMP
1994
16 EnergyFirst 100 A+
NSFGMP
1997
17 Enzymedica 100 A+
NSFGMP
1998
18 AllMax Nutrition 100 A+
Informed SportGMP
2000
19 Vital Choice 100 A+
NSFGMP
2001
20 Cellucor 100 A+
Informed SportGMP
2002
21 NutriDyn 100 A+
NSFGMP
2003
22 MyProtein 100 A+
Informed SportGMP
2004
23 Nuun 100 A+
Informed SportGMP
2004
24 PhD Nutrition 100 A+
Informed SportGMP
2005
25 MusclePharm 100 A+
Informed SportGMP
2010
26 Promera Sports 100 A+
Informed SportGMP
2010
27 Athletic Alliance 100 A+
Informed SportGMP
2011
28 Promix Nutrition 100 A+
Informed SportGMP
2011
29 Wiley's Finest 100 A+
NSFGMP
2011
30 Bare Performance Nutrition 100 A+
Informed SportGMP
2012
31 EHP Labs 100 A+
Informed SportGMP
2012
32 NatureWise 100 A+
NSFGMP
2012
33 Nuzest 100 A+
Informed SportGMP
2012
34 PEScience 100 A+
Informed SportGMP
2012
35 Skratch Labs 100 A+
Informed SportGMP
2012
36 Bulk Supplements (BulkSupplements.com) 100 A+
NSFGMP
2013
37 BulkSupplements 100 A+
NSFGMP
2013
38 Vital Proteins 100 A+
NSFGMP
2013
39 Driven Nutrition 100 A+
Informed SportGMP
2014
40 Elysium Health 100 A+
NSFGMP
2014
41 Kaged 100 A+
Informed SportGMP
2014
42 Legion Athletics 100 A+
Informed SportGMP
2014
43 OLLY 100 A+
NSFGMP
2014
44 Ascent 100 A+
Informed SportGMP
2015
45 Transparent Labs 100 A+
Informed SportGMP
2015
46 Ghost 100 A+
Informed SportGMP
2016
47 Previnex 100 A+
NSFGMP
2016
48 Gainful 100 A+
Informed SportGMP
2017
49 Cellucor C4 95 A+
Informed Sport
2002
50 Xendurance 95 A+
Informed Sport
2005

Don't see a brand you're curious about? Search all 7,882 brands in our database.

What the Data Reveals

The top tier is small. Out of 7,882 brands, only 501 (6%) earned an A or A+ grade. The supplement industry is large, but the quality tier at the top is narrow — most brands fall into B+ or lower.

FDA issues are not rare. 186 brands (2%) have at least one FDA recall or warning letter on record. That is 186 with recalls and 8 with warning letters. A clean FDA record alone is a meaningful differentiator.

Third-party certification is the biggest lift. Every brand in the top 10 holds at least one recognized certification from NSF, USP, Informed Sport, or Informed Choice. Certification is the single most reliable signal that a brand's label claims match what is in the bottle.

The average trust score across the whole dataset is 64.4/100. The average for the top 50 is 99.8/100 — a 35.4-point gap that reflects the difference between industry-average brands and the ones that actually invest in quality verification.

Frequently Asked Questions

How are the most trusted supplement brands ranked?

Every brand starts with a baseline score of 70/100. We add bonuses for recognized certifications (NSF Certified for Sport +15, USP Verified +15, Informed Sport +10, GMP +5, 10+ years in business +10, clean FDA record +10, publishes lab results +10) and subtract penalties for FDA warning letters (-25), recalls (-20), high adverse event counts (-15), no third-party testing (-15), proprietary blends (-10), and FTC enforcement (-20 to -50). The algorithm runs against 7,882 brands and the top 50 are ranked by final score with tie-breakers on total certifications, fewer FDA recalls, and years in business.

What are the best supplement brands in 2026?

The highest-scoring supplement brands in 2026 are Rule 1 Proteins (R1), Shaklee, Bronson Vitamins, NaturesPlus, Trace Minerals Research. Each holds a recognized third-party certification (NSF, USP, or Informed Sport) and has a clean FDA record. The full top 50 list above is sorted by trust score and verified against NSF, USP, Informed Sport, Informed Choice, Health Canada, and FDA databases.

What data sources did you use?

We cross-referenced every brand against the FDA recall database (openFDA), FDA adverse event reports (CAERS), FDA warning letters, NSF certified products database, USP verification program, Informed Sport/Choice public registries, Health Canada Licensed Natural Health Products database, and FTC enforcement actions. Certifications are verified against each certifier's public database, not just label claims.

Is a higher trust score always better?

Yes, within our methodology. A higher score means more independently verifiable quality signals (certifications, clean FDA record, published lab results, GMP manufacturing) and fewer red flags (recalls, warning letters, proprietary blends, FTC actions). However, trust score is not a guarantee of efficacy for a specific health goal — it measures manufacturing integrity and transparency, not whether a given supplement works for you.

How often is the list updated?

The full dataset is recomputed monthly via our automated pipeline. FDA data refreshes pull from openFDA directly; NSF and Informed Sport registries are re-scraped on the same schedule. Certifications can be added or removed between updates — always verify the current status on a brand's individual page before purchasing.

Why isn't [my favorite brand] on the list?

This is the top 50 out of 7,882 brands in our database, so most brands don't make the cut. The biggest reason a well-known brand misses the top 50 is the absence of a recognized third-party certification (NSF, USP, Informed Sport, or Informed Choice). Brands that only "claim" testing on their label without holding a verifiable certification lose points. Search any brand at supplementchecker.co/check/ to see its full trust report and score breakdown.

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