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 capsules, 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 $5.31 for 30 capsules 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.
Delivered
- Delivered: Amazon Pharmacy from $6.84for 30 capsules15 mg $6.84 · 30 mg $5.31 · 37.5 mg $9.24Prime members only · $139 a year · Free delivery
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
2 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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KVK-Tech15 mg, 30 mg, 37.5 mg
Packages and NDCs
15 mg
Package NDC Bottle of 30 10702-026-03 Bottle of 100 10702-026-01 Bottle of 1000 10702-026-10 30 mg
Package NDC Bottle of 30 10702-027-03 Bottle of 100 10702-027-01 Bottle of 1000 10702-027-10 30 mg
Package NDC Bottle of 30 10702-028-03 Bottle of 100 10702-028-01 Bottle of 1000 10702-028-10 37.5 mg
Package NDC Bottle of 30 10702-029-03 Bottle of 100 10702-029-01 Bottle of 1000 10702-029-10 -
Sunrise Pharmaceutical15 mg, 30 mg, 37.5 mg
Made by Nuvo Phamaceuticals
Packages and NDCs
15 mg
Package NDC Bottle of 100 11534-157-01 Bottle of 1000 11534-157-03 30 mg
Package NDC Bottle of 100 11534-176-01 Bottle of 1000 11534-176-03 37.5 mg
Package NDC Bottle of 30 11534-159-30 Bottle of 100 11534-159-01 Bottle of 1000 11534-159-03
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.