Yes — nih.gov is cited by ChatGPT on 313 buyer queries in our index, most often alongside fda.gov, drugs.com, mayoclinic.org. These are real recorded answers, not an estimate — the count reflects the queries we’ve scanned and the model we currently track (ChatGPT). For the full list of queries and the exact answers, run the free Domain Check.
How often is nih.gov cited?
Across the queries in our index, ChatGPT cites nih.gov on 313 distinct queries, with 667 citations recorded in total (a domain can be cited more than once for the same query across re-scans).
Which domains are co-cited with nih.gov?
The domains most often cited in the same answers as nih.gov — the sources ChatGPT treats as substitutes or companions. Ranked by how many queries they share.
| # | Co-cited domain | Shared queries |
|---|---|---|
| 1 | fda.gov | 139 |
| 2 | drugs.com | 70 |
| 3 | mayoclinic.org | 63 |
| 4 | medlineplus.gov | 58 |
| 5 | www.nhs.uk | 41 |
| 6 | clevelandclinic.org | 34 |
| 7 | reddit.com | 33 |
| 8 | health.com | 30 |
| 9 | wolterskluwer.com | 30 |
| 10 | webmd.com | 27 |
Sample queries nih.gov is cited on
A few examples from the index. The complete, dated list — with the domains co-cited in each answer — is what the free Domain Check returns.
- medical research site
- site for medical research
- sites for medical research
- medical research websites
- open evidence medical — informational
- nih and reporter
- open evidence login — navigational
- what is openevidence
How is this measured?
We run real buyer questions through ChatGPT and record which domains each answer cites. This page aggregates those records for nih.gov. Figures are live and dated — see the methodology. To track nih.gov (or your own domain) over time, start with the free Domain Check.