Phentermine vs. Bontril: Which Is the Best?

It is definitely confusing to select one dietary supplement or drug when there is such a plenty of products in the market with each of them claimed to be top-quality.

However, Phentermine and Bontril are two most popular and reliable weight loss medications ever. Patients striving to lose weight can choose any of these drugs as they are trusted, approved and effective.

Comparing Phentermine and Bontril it is necessary to realize that there is personal preference that rules. No one can conclude that Bontril is better than Phentermine or vice versa. Checking reviews of both weight loss medications it is possible to notice multiple positive and negative words about each treatment. It is a perfect proof of the drugs being effective, though not in all the health situations.

The Mode of Phentermine and Bontril Action

To provide a full and honest Bontril vs. Phentermine comparison, it is inevitable to mind the way both drugs work. It will probably be a surprising fact, though both drugs have a similar weight loss effect. They act as appetite suppressants, with extra functions of fat burners and metabolism boosters.


The medications affect the central nervous system and definite brain areas reducing the appetite, thus, consumption of fewer calories. Additionally, Bontril as well as Phentermine produces an extra stimulating effect to provide you with a greater energy amount to burn fat more effectively.

Taking into consideration all the mentioned factors, the only conclusion may be made: being efficient weight loss medications, both Phentermine and Bontril require doctor’s consultations and analysis of your general health condition and other complications to get a prescription of any of these pills.

Before purchasing the drugs, inform your healthcare specialist about all the health problems, with a special:

  • regard to heart problems,
  • liver and kidney disorders,
  • high blood pressure,
  • glaucoma,
  • hypertension,
  • thyroid, etc.
  • It is not recommended to take any of these medications if you are pregnant or breastfeeding to eliminate possible risks for your unborn or nursing child.
  • Do not start the treatment if you have undergone the MAO inhibitor course during the last 14 days.

Being powerful weight loss aids that produce a drastic effect on vital body organs, both Phentermine and Bontril should be taken following the doctor’s prescription. Never change the dosage and strength of the drugs without primary consultations with your healthcare provider.

Once you have missed the dose, take it as soon as possible. Though, if the following scheduled one is soon, you’d better skip it than double the next one.

Both Phentermine and Bontril will show better and faster results if combined with other weigh loss measures, including a healthy, balanced and low-calorie-diet, constant workouts and behavior/mood changes.

Clinical Comparison of Phentermine vs. Bontril

The results of recent studies and clinical trials showed that both Bontril and Phentermine produce the same weight loss effect. However, the main difference noticed between these two potent drugs is the number of side effects.


  • uneven heartbeat,
  • uncontrolled blood pressure,
  • seizures,
  • stomach problems,
  • headaches,
  • dizziness,
  • nausea and multiple others.


  • dry mouth,
  • insomnia,
  • fatigue and
  • constipations.

All in all, comparing Phentermine with Bontril, it is possible to say that these two weight loss drugs are the same effective and productive, though Bontril is a bit more beneficial in the side effects prospective.

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