CAI
Clinical Asset Index
by VOS Supply Group
Drugs · acquisition-cost intelligence

Ambien

zolpidem tartrate· ingredient zolpidemBenzodiazepine related drugs· ZOLPIDEM TARTRATE 10 mg/1; ZOLPIDEM TARTRATE 5 mg/1
What this is. Acquisition-cost intelligence for pharmacy & clinic buyers — the historical trend, generic-equivalent costs, and Part D posture. NADAC is a pharmacy acquisition cost (the national average pharmacies pay), not a retail or cash price — for consumer cash prices use GoodRx/your plan.
Acquisition benchmark · NADAC per EA
$0.03392
NADAC — pharmacy acquisition cost, not a retail/cash price

Acquisition-cost history

Weekly NADAC per EA — the trend nobody else shows. 10 weeks.

2025-02-192026-05-27

Same-ingredient options by acquisition cost

Other zolpidem products, cheapest acquisition cost first. Per EA — confirm strength/form equivalence before switching.

ProductNADAC / EAvs this
Zolpidem$0.03392+$0.00000
Ambien CR$0.11608+$0.08220
zolpidem tartrate$5.63+$5.59
zolpidem tartrate$7.96+$7.92

Medicare Part D coverage · CY2026

On 328 plan formularies · typical tier 2
Prior auth 31% · Step therapy 0% · Quantity limit 97% of formularies

Sources: CMS NADAC (pharmacy acquisition cost), FDA NDC + RxNorm (identity), RxClass (therapeutic class), CMS Medicare Part D formulary (coverage). Observed reference data for professional buyers — not a retail/cash price, not pricing or medical advice. Verify before purchasing or substituting.