How Much Does Phentermine Cost?
Phentermine (Phentermine Hydrochloride) costs from $14/month when pharmacies compete on Script Unlock — vs $45 or more at chain pharmacies without insurance.
Updated May 2026 · Verified pharmacy data
Phentermine Price Comparison 2026
Chain pharmacy retail$45–$63
Coupon app price (approx)$18–$25
Script Unlock cash pricefrom $14
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Phentermine Cost by State
Frequently Asked Questions
How much does Phentermine cost without insurance?
Phentermine (Phentermine Hydrochloride) costs from $14 per month without insurance when you compare pharmacy cash prices on Script Unlock. The retail price at chain pharmacies can be $45 or more. Comparing pharmacies saves you up to 70%.
Why do Phentermine prices vary so much between pharmacies?
Each pharmacy sets its own cash price for Phentermine. Large chain pharmacies often charge significantly more than independent pharmacies for the same medication. Script Unlock creates real competition — pharmacies bid to fill your prescription, driving the price to its true floor.
Is there a generic version of Phentermine that costs less?
Yes — generic Phentermine Hydrochloride is FDA-approved and bioequivalent to brand-name Phentermine. Generic versions typically cost significantly less. Compare generic prices at scriptunlock.com.
How can I get the lowest price on Phentermine?
Upload your Phentermine prescription to Script Unlock — verified pharmacies will compete with their best cash price. You choose the lowest bid. No coupons, no insurance card, no data sharing. Most patients save 70% or more vs retail.