Match the strength and how many to your prescription label.
How to pay the least
Ask for the cash price
Generic phentermine
Only Amazon Pharmacy posts a price for phentermine, 30 tablets, and it’s for members.
- Ask your pharmacy for the cash price of generic phentermine.Find pharmacies near you
- Ask one or two other pharmacies too. Cash prices for the same generic can differ a lot from store to store.
With a membership From $8.30 for 30 tablets from Amazon Pharmacy, by mail ($139 a year).
Open Amazon PharmacyEvery company’s phentermine is rated by the FDA to work the same, so any pharmacy can fill your prescription with the one it stocks.
Regular genericWhere to buy it
Pharmacies’ own cash prices for generic phentermine, lowest first. Any of them can fill your prescription.
Pick up in storeDelivered
- Delivered: Amazon Pharmacy $8.30for 30 tablets37.5 mgPrime members only · $139 a year · Free delivery
- Pick up in store: Costco $15.99for 30 tablets37.5 mgMembers only · $65 a yearFind the nearest store
From each pharmacy’s own site, read October 5, 2026. Confirm the price before you fill. Prices change, can differ by store and state, and may depend on the strength and how many you take. With insurance, ask what your plan charges; it can be less.
Regular genericWho makes it
5 companies sell phentermine in this form, each one rated by the FDA as a substitute for the others. A pharmacy fills whichever one it stocks. To get a certain maker, ask for it by name; most pharmacies can order it in a day or two.
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Elite Laboratories37.5 mg
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KVK-Tech8 mg, 37.5 mg
Sold as Lomaira · Made by Avanthi
Packages and NDCs
8 mg
Package NDC Bottle of 30 10702-001-03 Bottle of 60 10702-001-06 Bottle of 90 10702-001-09 Bottle of 250 10702-001-25 Bottle of 500 10702-001-50 Bottle of 1000 10702-001-10 37.5 mg
Package NDC Bottle of 30 10702-025-03 Bottle of 100 10702-025-01 Bottle of 1000 10702-025-10 -
Solco Healthcare37.5 mg
Made by Prinston Pharmaceutical
Packages and NDCs
37.5 mg
Package NDC Bottle of 30 43547-404-03 Bottle of 100 43547-404-10 Bottle of 500 43547-404-50 Bottle of 1000 43547-404-11 -
Sun Pharmaceutical Industries37.5 mg
Packages and NDCs
37.5 mg
Package NDC Bottle of 30 53489-676-07 Bottle of 60 53489-676-06 Bottle of 100 53489-676-01 Bottle of 250 53489-676-03 Bottle of 500 53489-676-05 Bottle of 1000 53489-676-10 -
Sunrise Pharmaceutical37.5 mg
Made by Nuvo Phamaceuticals
Packages and NDCs
37.5 mg
Package NDC Bottle of 30 11534-160-30 Bottle of 100 11534-160-01 Bottle of 1000 11534-160-03
Who sells it: FDA and Medicaid records, updated weekly. Each maker’s page, card and program is from its own site.
What to say at the pharmacy
“Before you fill it, what would I pay for generic phentermine?”
Paying cash? Ask for the cash price. With insurance, ask what your plan charges.
Good to know
- Different companies’ phentermine can look different. The FDA requires each to work the same way.
- Don’t stop or change a medicine without talking to your pharmacist or prescriber.