NSF Certified

certification

GenRank Score

50.8

A certification from NSF International indicating that a product has been tested to meet strict standards for public health protection.

Also Known As

NSF Certified

3 questions•3 categories

What are the most trusted vitamins and supplements?Vitamins & Supplements

Score

30.3

Rank

Score History

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Average Rank

#7.0

Median

Range

#2–#12

Consistency

☆☆☆σ=5.0

🏆Top 3 in 1/2 models

Rankings by Model

GPT-5.4 mini #2Grok 4.3 #12

What are the best eye and vision care products?Eye & Vision Care

Score

10.9

Rank

#37

Score History

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Average Rank

#14.0

Median

#14

Range

#14–#14

Rankings by Model

Grok 4.3 #14

What are the best supplements for overall health?Health & Wellness Products

Score

9.6

Rank

#33

Score History

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Average Rank

#12.0

Median

#12

Range

#12–#12

Rankings by Model

Gemini 3 Flash #12