GenRank™

NSF Certified for Sport

certification
GenRank Score
64.7

A specific certification mark from NSF International, ensuring sports supplements are free of banned substances and tested for contaminants.

Also Known As

NSF Certified for SportNSF Certified for Sport®
2 questions•1 category
What are the most trusted vitamins and supplements?Vitamins & Supplements
Score
50.0
Rank
#2

Score History

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Average Rank
#5.0
Median
#3
Range
#2–#9
Consistency
★☆☆σ=2.9
🏆Top 3 in 3/5 models

Rankings by Model

Gemini 3.7 Flash #2Gemini 3.1 Flash Lite #3GPT-5.6 Luna #3Sonar #8Grok 4.3 #9
Which vitamins and supplements offer the best value?Vitamins & Supplements
Score
14.7
Rank
#24

Score History

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Average Rank
#11.0
Median
#11
Range
#11–#11

Rankings by Model

Claude Sonnet 5 #11