Best Third-Party Tested Supplements by Category
Out of 567 brands in our database, 81 have some form of third-party testing. Here are the best, organized by certification type.
Not all testing is equal. See our certification comparison guide to understand the differences.
NSF Certified for Sport Brands
The gold standard. Every batch tested for 270+ banned substances, label accuracy verified, facilities audited annually.
Enzymedica
Bronson Vitamins
Elysium Health
Wiley's Finest
Vital Choice
ProHealth Longevity
EnergyFirst
NutriDyn
Previnex
Starwest Botanicals
Trace Minerals Research
Priority One Vitamins
...and 26 more. Search all brands →
USP Verified Brands
Identity, strength, purity, and manufacturing verified by the United States Pharmacopeia. Trusted by pharmacists.
Shaklee
21st Century
Kirkland Signature
⚠ Elevated FDA adverse event reports (39)
Qunol
Culturelle
Centrum
⚠ High number of FDA adverse event reports (934)
Herbalife
⚠ High number of FDA adverse event reports (141)
Nature Made
⚠ High number of FDA adverse event reports (93)
Ritual
⚠ Elevated FDA adverse event reports (27)
Informed Sport / Informed Choice Brands
Batch-level banned substance testing by LGC Group. Required by many professional sports organizations.
PhD Nutrition
Dymatize
Transparent Labs
EHP Labs
Driven Nutrition
MyProtein
Promix Nutrition
Bare Performance Nutrition
SIS (Science in Sport)
Rule 1 Proteins (R1)
Legion Athletics
Nuzest
Ghost
REDCON1
Athletic Alliance
PEScience
Promera Sports
Skratch Labs
GU Energy Labs
AllMax Nutrition
Gainful
Optimum Nutrition
Ascent
Nuun
MusclePharm
Transparent Labs Bulk
Xendurance
⚠ No GMP certification visible
Cellucor
Kaged
Cellucor C4
⚠ No GMP certification visible
NOW Sports
SynTech Nutrition
Podium Nutrition
⚠ No GMP certification visible
Momentous
⚠ No GMP certification visible
Rivalus
⚠ No third-party testing certifications found
AdvoCare
⚠ 2 product recall(s) on record
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