Phentermine ingredients?

What are the active and inactive ingredients in Phentermine?

Phentermine is an oral anorexiant medication, approved for short-term use to treat obesity. The active ingredient in Phentermine is phentermine hydrochloride, which belongs to a class of drugs called sympathomimetic amines [1]. Sympathomimetic amines stimulate the nervous system, helping to suppress appetite and increase energy levels.

According to the FDA label, the inactive ingredients in Phentermine capsules include:

* Corn starch
* Lactose monohydrate
* Magnesium stearate
* Microcrystalline cellulose
* Polysorbate 20
* Povidone
* Sodium lauryl sulfate
* Talc

Are there any variations in Phentermine formulations?

There are two different formulations of Phentermine: the immediate-release and extended-release capsules. The immediate-release capsules contain 15mg or 30mg of phentermine hydrochloride, while the extended-release capsules contain 30mg of phentermine hydrochloride [2].

How are the Phentermine ingredients made?

The manufacturing process for Phentermine involves several stages, including synthesis, purification, and formulation. The phentermine hydrochloride active ingredient is typically synthesized through a multi-step chemical reaction process [3]. The inactive ingredients are then added to the active ingredient in a specific ratio, depending on the desired dosage and formulation.

Are there any generic or biosimilar versions of Phentermine?

Yes, there are several generic and biosimilar versions of Phentermine available on the market. These versions typically contain the same active ingredient, phentermine hydrochloride, as well as the same inactive ingredients [4]. It's essential to note that some generic or biosimilar versions may be manufactured by different companies, which could affect the price and availability of the medication.

Sources:

[1] https://www.drugpatentreview.com/Phentermine-375mg-Extended-Release-Tablets-Drug-Patent-Details
[2] https://www.accessdata.fda.gov/drugsatfda_docs/label/2015/018381s023lbl.pdf
[3] https://pubchem.ncbi.nlm.nih.gov/compound/Phentermine
[4] https://drugpatentwatch.com/drugs/phentermine