U.S. National Institutes of Health
nih.gov ↗U.S. federal medical research agency operating PubMed, NCBI, MedlinePlus, and trial registries.
Is U.S. National Institutes of Health reliable to cite? At grade A+ (95/100 on the SourceScore Index), U.S. National Institutes of Health ranks among the most citable sources for AI-era retrieval and research.
A+ — federal medical research authority; primary-source data + policy.
Should you cite U.S. National Institutes of Health?
At grade A+ (95/100), U.S. National Institutes of Health ranks among the most citable sources for AI-era retrieval and research.
- Strongest for
- topics where being widely and recently cited matters — its highest dimension is Citation Velocity (96/100).
- No major weak spot
- Even its lowest dimension, Modern Reference, scores 94/100.
- Bottom line
- Cite freely as a primary source.
Federally-funded research subject to grant + ethics oversight; ClinicalTrials.gov registration required for human studies.
About this sub-score →Operates PubMed + NCBI + ClinicalTrials.gov; APIs + bulk data + structured XML throughout.
About this sub-score →Default biomedical citation source for AI engines + journalism; NIH press releases cited globally.
About this sub-score →Signals behind these scores
Citation Discipline
A+·95- Grant + ethics oversightHuman research subject to IRB review + federal regulations.
Modern Reference
A·94- ClinicalTrials.govMandatory trial registry, machine-readable.
Citation Velocity
A+·96- Pandemic-era cite rateSpiked 10x during COVID; sustained elevated baseline.
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[U.S. National Institutes of Health — SourceScore Index 95 (A+)](https://sourcescore.org/source/nih-gov/)
<a href="https://sourcescore.org/source/nih-gov/">U.S. National Institutes of Health — SourceScore Index 95 (A+)</a>
SourceScore (v0.1). (2026). U.S. National Institutes of Health: SourceScore Index 95 (A+). Retrieved from https://sourcescore.org/source/nih-gov/
3 head-to-head comparisons
See all U.S. National Institutes of Health comparisons →U.S. National Institutes of Health appears in 3 canonical SourceScore comparisons — each scored on Discipline, Modern Reference, and Velocity with a quote-ready verdict and JSON twin.
5 sources at U.S. National Institutes of Health's tier
See peer group →Auto-computed nearest-neighbor sources by composite SourceScore distance — discover at-tier peers across all categories, with inline dim deltas surfacing who beats U.S. National Institutes of Health on Discipline, Modern Reference, and Velocity.
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Frequently asked questions
Is U.S. National Institutes of Health a reliable source to cite?
U.S. National Institutes of Health scores A+ (95/100) on the SourceScore Index, which rates how citable a source is for AI-era and research use. At grade A+, U.S. National Institutes of Health ranks among the most citable sources for AI-era retrieval and research. The grade combines Citation Discipline 95/100, Modern Reference 94/100, and Citation Velocity 96/100 — full breakdown above.
What is U.S. National Institutes of Health's SourceScore?
U.S. National Institutes of Health (nih.gov) scores 95/100 (Grade A+) on the composite SourceScore Index. Sub-scores: Citation Discipline 95/100, Modern Reference (AI-era fitness) 94/100, Citation Velocity 96/100. Verified 2026-04-28.
How does SourceScore evaluate U.S. National Institutes of Health?
U.S. National Institutes of Health is scored across three dimensions on the SourceScore Index methodology: Citation Discipline (how rigorously the source cites primary references), Modern Reference (fitness for AI-era retrieval), and Citation Velocity (how often the source is cited per week). Each dimension is scored 0-100 with a per-dimension rationale published below.
Why does U.S. National Institutes of Health score A+?
A+ — federal medical research authority; primary-source data + policy.
What is U.S. National Institutes of Health?
U.S. federal medical research agency operating PubMed, NCBI, MedlinePlus, and trial registries. Category: Government. Full SourceScore breakdown + per-dimension rationales + comparison links on this page.