What is the Difference Between Adipex and Phentermine?

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Adipex and Phentermine are both brand names for the drug phentermine, which is an appetite suppressant and a central nervous system stimulant used to help manage body weight in certain adults. The main differences between Adipex and Phentermine are:

  1. Brand vs. Generic: Adipex is a brand name for phentermine, while Phentermine is the generic name. The generic version of phentermine is available in a wider range of strengths, from 15 mg to 37.5 mg, whereas Adipex is available only in one strength, which is 37.5 mg.
  2. Drug Formulation: Adipex contains phentermine as its active ingredient, but it also has inactive ingredients such as corn starch and colorants. On the other hand, Phentermine only contains pure phentermine.
  3. Absorption: The absorption of the salt form of phentermine is higher than the resin form, and the absorption of Adipex is not specified in the search results.
  4. Formats: Phentermine is available in various oral forms, such as tablet, capsule, and disintegrating tablet. Adipex, on the other hand, is available only in tablet or capsule form.
  5. Cost: The cost of Adipex and Phentermine may vary depending on factors such as whether the drug has a savings program, and generic drugs usually cost less than brand-name drugs.

Comparative Table: Adipex vs Phentermine

Adipex and Phentermine are both prescription medications used for weight loss by decreasing appetite and increasing feelings of fullness. They have some differences in terms of brand names, formulation, and dosage. Here's a table comparing the two:

Feature Adipex Phentermine
Brand Name Adipex is a brand name Phentermine is a generic name
Active Ingredient Phentermine HCl (Hydrochloride) Phentermine HCl (Hydrochloride)
Manufacturer Gate Pharmaceuticals Produced by various companies
Dosage Forms Primarily 37.5 mg formulation Available in strengths from 15 to 37.5 mg
Effectiveness Effective for short-term weight loss Effective for short-term weight loss

Both Adipex and Phentermine contain the active ingredient phentermine hydrochloride, which affects the central nervous system by suppressing the appetite. The effectiveness in controlling one's appetite is determined by the formulation strength of the drug. Adipex is only available in the 37.5 mg formulation, whereas Phentermine is available in a range of strengths, starting at 15 mg.