Difference Between Adipex and Phentermine

“How does one control weight? By not overeating. How does one stay in shape? One plays sports. There are no magic pills here.”

This is a quote by Vladimir Putin and, to an extent, is also right. Of course, everyone’s body, their way of life is different, and sometimes it is necessary for people to take these “magic pills.”

Adipex and Phentermine are a type of these pills that are officially prescribed by doctors for people who want to lose weight.

Though, the prescription is dependent from client to client and how they and the professional want to solve their problem. They should be taken while having a regular balanced diet and regular exercise.

Adipex vs Phentermine 

The main difference between Adipex and Phentermine is that Adipex is the name of the brand that produces Phentermine diet pills. While Phentermine is the generic name, that is the active ingredient that is used in the medicine is the same, but it is not branded or produced by any big brands.

Adipex vs Phentermine

Adipex is a drug that helps in lessening the appetite of a person that in turn makes the person. It is an anorectic that is used to metabolize fat in a body.

The medicine should not be taken under people who are sixteen, adults who are pregnant, suffer from hypertension and other heart problems. It uses Phentermine as an active ingredient but has some other inactive ingredients as well.

Phentermine is a drug that acts on the hypothalamus gland, which in turn helps in suppressing the appetite of the person. It is a generic name for the weight loss pill and is manufactured by different pharmaceutical companies at different sizes of dosages.

Comparison Table Between Adipex and Phentermine

Parameters of ComparisonAdipex Phentermine
Available under namesAdipex itself. Adipex-P and Lomaira
Definition Adipex is a brand type for pills that help in the process of weight loss.Phentermine is a generic name used for a short period of time to lose weight.
Dosages available Mainly available in 37.5 mg dosages.Phentermine is available at a larger amount of various types of dosages in comparison with Adipex. 15 mg, 30 mg, and 37.5 mg to be approx.
Marketed byGate PharmaceuticalsPhentermine is available by different pharmaceutical companies under various names.
Forms of the drugCapsules and Tablets Capsules, Tablets, and disintegrating tablets.

What is Adipex?

Adipex is a pill used to suppress appetite, overall hunger so that the person doesn’t eat food and lose weight.

It is prescribed to people who have a (BMI) of 27 or greater, overweight and obese (BMI of 30 for an adult) respectively, and have failed to lose weight just by exercising and control on their food.

The drug should be used only when the person has a prescription. One shouldn’t just take the medication by just reading it from somewhere.

It can have side effects like hypertension. Also, the person may become addicted to it, dependent on the drug. Pregnant women shouldn’t take this drug as well.

It has been seen that Adipex doesn’t generally leave the person taking the pill with fatal reactions afterward, but it is advised to not take the medication for a long period of time since then it might leave the taker with heart problems or hypertension, or any other big problem.

What is Phentermine?

Phentermine is a generic name of a pill that is prescribed by officials to people who want to lose weight. The cost of the drug may vary from brand to brand and their dosage sizes. The drug is available in three forms: tablets, capsules, and disintegrating tablets of 8 mg, 15 mg, 30 mg, and 37.5 mg.

The drug should be used with proper exercise by the user to fully achieve their ideal body goal, a balanced diet including fruits and vegetables, and lastly, drinking the required amount of water daily according to the age of the taker of the pill.

The pill was approved by FDA in 1959 and has come a long way. Though the pill is easily available in medical shops for sale, they are classified as neurotic in France.

Effects of the drugs would start after 4 to 5 afters after taking the drug. The person would feel full as they would have a decreased appetite for food. Also, the person may feel euphoric.

Main Differences Between Adipex and Phentermine 

  1. Phentermine is a generic name for a drug that is used for losing weight. Adipex, on the other hand, is the name of the pill of a brand that produces Phentermine tablets.
  2. Adipex is a brand that is marketed by Gate Pharmaceuticals, while Phentermine is a drug that is marketed and produced by different companies.
  3. The formulation of the pills is different as well since both are manufactured by different pharmaceutical companies. Phentermine is available at a bigger number of dosages than Adipex.
  4. Phentermine has been in use for a longer period of time in comparison to Adipex. Phentermine has been up for sale since 1959. Adipex came after some years after it.
  5. Adipex is produced in mainly two forms up until now are tablets and capsules, and as opposed to it, Phentermine is available in three forms in addition to disintegrating tablets with the regular tablets and capsules.
Difference Between Adipex and Phentermine


Yes, these weight loss pills are prescribed by officials like dietitians and doctors, but it is important to keep in mind that just taking these would not result in a long time solution for weight loss.

In order to achieve a fit body type, one needs to focus on their diet and exercise in any way that is suitable for that person, whether it be yoga, running, proper gyming, or any other form.

These pills work as a solution for obesity.

They should not be taken if an individual is not overweight or obese, and the doctor should check the health background of the person before recommending them as these drugs are quite sensitive for people that can affect people with certain problems like people with heart diseases, individuals with a problem of high blood pressure, etc.


  1. https://books.google.co.in/books?id=tVFgrgEACAAJ&dq=adipex+and+phentermine&hl=en&sa=X&ved=2ahUKEwjPueSjzcfwAhXQlEsFHYSUA-AQ6AEwAHoECAMQAw
  2. https://www.acpjournals.org/doi/abs/10.7326/0003-4819-135-9-200111060-00018?journalCode=aim
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