Phentermine Price Without Insurance — $8–$35 Cash (2026)
How much does Phentermine cost?
Phentermine costs from $8/month at verified pharmacies on Script Unlock — up to 78% less than the retail price of $35. No insurance card, no discount coupon, and no membership needed. Cash pay through Script Unlock's competitive bidding marketplace typically beats GoodRx and SingleCare on chronic medications.
- Retail cash price: $35/month at chain pharmacies
- Script Unlock cash price: from $8/month (78% off)
- No PBM middleman — pharmacies bid directly for your prescription
Phentermine (phentermine) cash price ranges from $8 to $46 without insurance depending on which pharmacy you use. Pharmacies compete on Script Unlock — find the lowest price near you.
Why Phentermine Prices Vary So Much
Weight loss medications like Phentermine represent a new frontier in metabolic medicine — but prices remain high due to patent protection and intense demand. Finding the best cash price can save patients hundreds of dollars monthly.
Who Needs Phentermine?
Phentermine is prescribed for chronic weight management alongside diet and exercise. It's prescribed to adults with obesity (BMI ≥30) or overweight (BMI ≥27) with at least one weight-related condition.
How to Save on Phentermine
Compounded versions of the active ingredient may be available through licensed compounding pharmacies at significantly lower cost. Script Unlock connects you with verified compounding and retail pharmacies to help you find the best price.
How Script Unlock Works for Phentermine
Search your drug
Enter Phentermine and your zip code. See verified prices from pharmacies near you instantly.
Pharmacies compete
Local pharmacies bid on your prescription. More competition means lower prices for you.
Fill for less
Pick the pharmacy with the best price for Phentermine. No coupons, no memberships, no surprises.
Phentermine Cost by Dose
Phentermine pricing varies with the prescribed strength. Below are typical Script Unlock cash prices for common Phentermine dose strengths, comparing 30-day and 90-day supplies.
| Strength | 30-day cash | 90-day cash | 90-day savings |
|---|---|---|---|
| Standard dose | $9 | $24 | 11% |
Prices reflect typical Script Unlock verified pharmacy pricing. Your actual price depends on the specific pharmacy you choose and their real-time inventory.
Phentermine Cost by Pharmacy Chain
Chain pharmacy cash prices for Phentermine vary significantly. Below are typical retail cash prices at major US pharmacy chains, without coupons or insurance.
| Pharmacy | 30-day cash | 90-day cash | Coupons? |
|---|---|---|---|
| CVS Pharmacy | $42 | $107 | Available |
| Walgreens | $37 | $94 | Available |
| Walmart | $31 | $79 | Limited |
| Costco Pharmacy | $23 | $59 | Available |
| Kroger Pharmacy | $31 | $79 | Available |
| Rite Aid | $33 | $84 | Limited |
| Publix Pharmacy | $32 | $82 | Available |
| Safeway Pharmacy | $36 | $92 | Available |
| Script Unlock verified pharmacies | $8 | $20 | Cash — no coupon |
Chain prices shown are typical US-average retail cash prices. Coupon apps (GoodRx, SingleCare, RxSaver) are usually 20–40% lower than the "Coupons Available" column — but still typically higher than Script Unlock verified pharmacy prices.
Phentermine Cost by US State
Phentermine cash prices vary state by state due to differences in wholesale networks, PBM regulation, and pharmacy density. Below are typical Script Unlock verified prices in the 12 largest states.
5 Ways to Save on Phentermine
Beyond simply paying retail, here are the five most effective ways to reduce your Phentermine cost. We're listing all options — not just Script Unlock — so you can pick what works best for your situation.
Compare cash prices across pharmacies (Script Unlock)
Pharmacies set different cash prices for Phentermine. Verified independent pharmacies typically charge 40–70% less than chain pharmacies for the same medication. Script Unlock shows you real cash prices from pharmacies near you — no insurance required, no coupon codes, no membership fees.
Use the generic version
Phentermine is already the generic form. There is no cheaper equivalent — but you can still save by buying from pharmacies that price generics competitively rather than at the manufacturer's suggested cash price.
Buy a 90-day supply instead of 30-day
Pharmacies typically discount 90-day supplies of Phentermine by 10–20% compared to buying 30-day quantities three times. Fewer dispensing fees, fewer refill trips. Ask your prescriber to write a 90-day prescription with refills.
Check for manufacturer patient assistance
If Phentermine is a brand-name medication and you meet income thresholds, the manufacturer may offer a Patient Assistance Program (PAP) providing the drug at no cost. Programs typically require prescriber attestation and annual re-enrollment. Note: PAPs usually exclude Medicare patients due to federal anti-kickback rules.
Ask your prescriber about therapeutic alternatives
There may be a clinically similar medication in the same drug class at a lower price. For example, older members of a drug class often cost less than newer options while providing similar clinical outcomes for many patients. Never switch medications without prescriber approval — but a conversation costs nothing.
Phentermine Cost — Frequently Asked Questions
How much does Phentermine cost without insurance?
Why do Phentermine prices vary so much between pharmacies?
Is generic phentermine available?
Can I get Phentermine without a prescription?
What is the cheapest pharmacy for Phentermine?
Does insurance cover Phentermine?
Can I use GoodRx or SingleCare for Phentermine?
Is it safe to buy Phentermine from an independent pharmacy?
Can Medicare patients save on Phentermine?
Do Phentermine prices change frequently?
Should I fill Phentermine at a mail-order pharmacy?
Are Phentermine manufacturer coupons or copay cards useful?
How do I get the price I see on Script Unlock?
Medical Disclaimer
This page provides pricing information only. Always consult your doctor or pharmacist before starting, stopping, or changing any medication. Phentermine requires a valid prescription from a licensed healthcare provider.
Related Guides
Get Phentermine bids in 1–4 hours
Upload your Phentermine prescription once. Verified pharmacies compete — you choose the lowest price. Takes 3 minutes. No account. No insurance needed.