How Much Does Zepbound Cost at Costco? Savings Guide 2026
- This review covers the most current clinical evidence available
- Medication has been studied in multiple large-scale clinical trials
- Always consult your prescribing physician before making changes
How Much Does Zepbound Cost at Costco? Full Savings Guide 2026
Costco fills millions of prescriptions annually , and Zepbound costs matters greatly for people dealing with their health. Here’s what Zepbound actually costs at Costco in 2026 — every pricing scenario.
Cash Price of Zepbound at Costco
Without insurance, the price for Zepbound (tirzepatide) at Costco is $1,060–$1,200 per month for a 30-day supply. That puts Costco competitive with typical retail pharmacy costs.
Variables that change your price:
- Pen size — Lower doses like 0.25mg cost less than maintenance doses
- Insurance status — With insurance typically pay copays rather than full price
- Savings cards — Often lower your bill by significantly
Zepbound With Insurance at Costco
For patients insured through an employer or marketplace plan, the amount you owe at Costco is determined by formulary classification.
| Tier | Average Copay |
|---|---|
| Tier 2 (Preferred Brand) | $30–$75/month |
| Tier 3 (Non-preferred Brand) | $75–$150/month |
| Tier 4 (Specialty) | $150–$500/month or 25-33% coinsurance |
Prior authorization is needed no matter pharmacy you use, and Costco.
Money-Saving Strategies at Costco
Eli Lilly Savings Offer
The manufacturer has a copay assistance program that may reduce out-of-pocket expenses to $25/month for eligible patients. Eligibility: must have private insurance.
GoodRx and Discount Platforms
No-cost pharmacy savings platforms such as GoodRx can provide discounted Costco pricing on Zepbound. Be sure to run your prescription through several services prior to filling.
Patient Assistance Programs
Without insurance and have limited income, Eli Lilly offers Zepbound through their PAP via their patient assistance program.
Should You Use Costco for Zepbound?
The cheapest option is always cheapest for Zepbound. Costco is competitive but make sure to check competitors before committing, especially since prices fluctuate based on supply and demand.
- FDA-approved with extensive clinical data
- Evidence-based treatment option
- Clinically studied in large randomized trials
- Potential side effects (discussed above)
- High out-of-pocket cost without insurance
- Requires ongoing medical supervision