Mentionable Index
ChatGPT
Google AI ModeAIOGoogle AI Overview
Grok
Gemini
Perplexity
Copilot
Is fda.gov cited by AI?
Yes. From May 2026 to September 2026, fda.gov was found 766 times across 269 AI responses analyzed by Mentionable. ChatGPT cites it most often (561 times).
An engine lists more sources than it cites in its text. Here, 57% of citations appear in the answer itself: the rest sits in the list of sources, outside the text.
766
Citations
57%
Visible in answer
138
Pages cited
7
Engines
Which engines cite it
Engines do not lean on the same sources, and do not put them in their text the same way.
EngineCitationsVisible
56150%
7868%
AIO66100%
4038%
12100%
5100%
4100%
What AI engines look for on fda.gov
138 distinct URLs from this domain were recorded. Citations concentrate on these sections.
/medical-devices
70%
/cosmetics
10%
/consumers
9%
/regulatory-information
2%
/food
2%
/inspections-compliance-enforcement-and-criminal-investigations
1%
/safety
1%
/drugs
1%
Month by month
83
May 26
64
Jun 26
184
Jul 26
373
Aug 26
62
Sep 26
In which markets
Frequently asked questions
Which AI engines cite fda.gov?
6 engines cite fda.gov over the period: ChatGPT (561), Google AI Mode (78), Google AI Overview (66), Gemini (12), Perplexity (5), and Copilot (4). Claude has not cited it.
Do AI engines put fda.gov in the text of their answers?
57% of fda.gov citations appear in the text of the answer, the rest sits in the list of sources. Google AI Overview puts it in its text most often (100%).
Which pages of fda.gov do AI engines cite?
Citations cover 138 distinct URLs and concentrate on /medical-devices (70%), /cosmetics (10%), and /consumers (9%).
Where does fda.gov rank among the sources cited in Beauty & cosmetics?
fda.gov ranks 22nd of 1,547 domains recorded in Beauty & cosmetics, with 622 citations in this sector.
And on your own domain, rather than fda.gov?
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Other sources cited in Beauty & cosmetics
| # | Domain | Citations |
|---|---|---|
| 1 | 24,881 | |
| 2 | 6,988 | |
| 3 |  instagram.com | 4,677 |
| 4 | 3,884 | |
| 5 | 3,649 | |
| 6 | 3,399 | |
| 7 | 2,806 | |
| 8 | 2,395 | |
| 9 | 1,763 | |
| 10 | 1,404 |