Data provenance

Sources of truth

Every external data source we rely on, the cadence we re-verify it, and the most-recent verification date. Updated by the editorial team monthly.

FDA prescribing information (accessdata.fda.gov)
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Drug labels, dosing, side-effect frequencies, contraindications
Checked monthly; updated within 7 days of label revisions Verified 2026-05-01
FDA drug shortage database
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Live shortage status feeding /shortage-tracker and per-drug banners
Polled weekly; banner updated within 24 hours of status change Verified 2026-05-15
NEJM, JAMA, Lancet — primary trials
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STEP-1, SURMOUNT-1, SURMOUNT-OSA, STEP-4 efficacy + safety data
Re-reviewed quarterly; new publications flagged on the day of release Verified 2026-04-22
ADA Standards of Care
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T2D treatment guidelines underpinning Ozempic / Mounjaro positioning
Annual major revision; mid-year updates monitored Verified 2026-01-20
AACE / Obesity Society guidelines
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Obesity-medicine framing + BMI threshold criteria
Re-reviewed annually Verified 2026-02-15
CMS Part D coverage manual
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Medicare coverage rules for GLP-1 indications
Re-reviewed twice yearly; carrier coverage policy changes tracked Verified 2026-03-10
State medical boards (50 + DC)
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Telehealth licensing rules in /legal/glp1-telehealth/[state]
Re-verified annually; major rule changes tracked in real-time Verified 2026-04-05
Manufacturer self-pay programs
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Wegovy Savings Card, LillyDirect pricing on /medications/[drug]
Re-checked monthly; price changes flagged in admin price-alerts Verified 2026-05-01
Partner pharmacy 503A directories
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Compounded pharmacy listings on /pharmacies/compounded
Quarterly verification of state licensure + COA availability Verified 2026-04-15
State Medicaid drug formularies
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Weight-management coverage map on /tools/medicaid-coverage
Re-verified semi-annually; formulary changes tracked Verified 2026-03-30
CDC Adult Obesity Prevalence Maps
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Per-state obesity rates on /providers/by-state/[state]
Annual refresh (BRFSS data); state context block updated within 30 days Verified 2026-04-12
KFF (Kaiser Family Foundation) — coverage of GLP-1 drugs
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Medicaid GLP-1 coverage categorization (covers / T2D-only / no) per state on /providers/by-state/[state]
Annual major report; mid-cycle updates monitored Verified 2026-03-08
Cochrane Database of Systematic Reviews
Visit
Meta-analyses cited on dose-equivalence and side-effect comparison pages
Re-reviewed quarterly per topic Verified 2026-04-01
NICE — National Institute for Health and Care Excellence
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UK guidance pages (/uk-glp1-guide) and BMI-eligibility cross-reference
Re-reviewed twice yearly Verified 2026-02-28
European Medicines Agency (EMA)
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EU regulatory framing on /eu-glp1-regulations + Wegovy/Saxenda EU labels
Re-reviewed twice yearly; opinions tracked monthly Verified 2026-03-15

In-house datasets

Numbers sourced from our own pipelines, not the external references above. Each entry states the table, the refresh cadence, and where you can audit the result on the public site.

provider_price_history
Monthly starting-price snapshots across all listed providers
Refresh cadence
First-of-month editorial pull + flagged ad-hoc updates
Public surface
/cost-trends + 12-month chart on /providers/[slug]
drug_shortages
FDA-shortage mirror with editorial notes for each affected dose
Refresh cadence
Weekly sync via scripts/shortages:sync; daily during active shortages
Public surface
/shortage-tracker + per-drug StockStatusBanner
cohort_entries
Anonymous opt-in patient outcomes (drug × dose × week × % lost)
Refresh cadence
Continuous; readers contribute on /cohort
Public surface
CohortOutcomesByDrug block on /medications/[drug]
provider_reviews
Reader reviews with verified-purchase flag from affiliate-click attribution
Refresh cadence
Editorial moderation queue; published within 48h of submission
Public surface
ReviewList on /providers/[slug] + verified-buyer chip on cards

Spot a stale source?

We re-verify on schedule, but FDA labels and state coverage rules can change between checks. If you find a citation that is out of date — wrong dose, wrong indication, wrong coverage rule — tell us and we'll re-verify within 7 business days.

Email editorial → [email protected]

Editorial standards: any claim citing a primary source links directly to the source page. The consolidated bibliography lives at /references with stable #cite-{id} anchors.