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

Tretinoin (Microsphere)

tretinoin· ingredient tretinoinRetinoids for cancer treatment· TRETINOIN .6 mg/g; TRETINOIN .8 mg/g
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 GM
$8.71
NADAC — pharmacy acquisition cost, not a retail/cash price

Acquisition-cost history

Weekly NADAC per GM — the trend nobody else shows. 6 weeks.

2025-12-172026-05-20

Same-ingredient options by acquisition cost

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

ProductNADAC / GMvs this
Retin-A$0.86759−$7.84
tretinoin$0.94183−$7.77
tretinoin$1.26−$7.45
Tretinoin$3.04−$5.67
Atralin$4.23−$4.48
Clindamycin Phosphate 1.2% and Tretinoin 0.025%$4.30−$4.41
TRI-LUMA$7.82−$0.88660
Tretinoin$9.65+$0.94250

Medicare Part D coverage · CY2026

On 5 plan formularies · typical tier 4
Prior auth 100% · Step therapy 0% · Quantity limit 0% 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.