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Are the protein powders sold at GNC third party tested for heavy metals and purity because I want to make sure my teenagers are consuming safe supplements?

ChatGPTgpt-63 queries11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
Are the protein powders sold at GNC third party tested for heavy metals and purity because I want to make sure my teenagers are consuming safe supplements?
3 real searches · 1 real-search pass
GNC quality testing supplements third party testing heavy metals protein powder policyGoogle ↗
OBSERVED
GNC protein powder third party tested heavy metals purity NSF Informed Choice certificationGoogle ↗
OBSERVED
FDA dietary supplements manufacturer responsibility heavy metals testing protein powder third party certificationGoogle ↗
OBSERVED

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

Classifying 3 queries…

Searches and sources

ChatGPT3 real searches · gpt-6
GNC quality testing supplements third party testing heavy metals protein powder policy Google ↗
GNC protein powder third party tested heavy metals purity NSF Informed Choice certification Google ↗
FDA dietary supplements manufacturer responsibility heavy metals testing protein powder third party certification Google ↗

Queries

3 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
GNC quality testing supplements third party testing heavy metals protein powder policy
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
GNC protein powder third party tested heavy metals purity NSF Informed Choice certification
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
FDA dietary supplements manufacturer responsibility heavy metals testing protein powder third party certification
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1