ONA-MAST vs PHENTERMINE HYDROCHLORIDE

Independent side-by-side comparison.

Rated against independent regulatory sources·Last updated June 7, 2026·How we rate

Attribute	ONA-MAST	PHENTERMINE HYDROCHLORIDE
Rating	New	New
Pharmacy pays	~$2.58 /30	~$2.58 /30
Type	RX	RX
Active ingredient	PHENTERMINE HYDROCHLORIDE	PHENTERMINE HYDROCHLORIDE
Manufacturer	Mast Mm	Camall
Dosage forms	Capsule, Tablet	Capsule, Tablet
Drug class	Sympathomimetic Amine Anorectic	Sympathomimetic Amine Anorectic
Boxed warning	None	None
Treats	Obesity	Obesity

ona-mast phentermine hydrochloride

Rating

New

Pharmacy pays

~$2.58 /30

Type

Active ingredient

PHENTERMINE HYDROCHLORIDE

Manufacturer

Mast Mm

Camall

Dosage forms

Capsule, Tablet

Drug class

Sympathomimetic Amine Anorectic

Boxed warning

None

Treats

Obesity

Frequently asked questions

Which is cheaper, Ona-Mast or Phentermine Hydrochloride?

Pharmacies pay about the same to acquire either one — roughly $2.58 for a 30-count supply, per the CMS NADAC survey. That is not what you will be charged: your price is set by your insurer and the pharmacy, not by what the drug cost them.

What is the difference between Ona-Mast and Phentermine Hydrochloride?

Both Ona-Mast and Phentermine Hydrochloride share the active ingredient Phentermine Hydrochloride.

Ratings are based on FDA regulatory (recall-safety) data. This comparison is for general reference only — not medical advice. Always consult a licensed professional before choosing or switching a medication.