Real ChatGPT answer · index seedh24BLmxoNvEcompleteHealth and wellness · women's healthinformational
Which brands of prenatal vitamins are third party tested for heavy metals and purity to ensure safety during pregnancy
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Which brands of prenatal vitamins are third party tested for heavy metals and purity to ensure safety during pregnancy
1 real search · 1 real-search pass
prenatal vitamins third party tested heavy metals purity NSF USP certification brands Thorne Ritual FullWell Needed MegaFood 2026Google ↗
OBSERVEDOther / navigational
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.
ChatGPT real searches (1)
Classes come from the query-classifier (a local Laya model). 1 of 1 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT1 real searches · gpt-6
prenatal vitamins third party tested heavy metals purity NSF USP certification brands Thorne Ritual FullWell Needed MegaFood 2026 Google ↗
- 15 of 17 Prenatal Vitamins Contained Inaccurate Nutrient Amounts · consumerreports.org
- How to Choose a Prenatal Vitamin · consumerreports.org