Does Phentermine Burn Fat or Just Suppress Appetite?

Does Phentermine Burn Fat or Just Suppress Appetite?

The urge to lose weight often makes us do things that are questionable,. Much like the moment right now when you want to know if Phentermine can burn fat or suppress appetite.

You evidently want to achieve a healthy weight. However, losing isn’t a piece of cake, especially if you didn’t refrain from eating them! Quick remedies like Phentermine always have your back. But should try them? Let’s find out!

So, you’re looking for remedies or exploring different ways to reach your health goals.

You know that Phentermine is a drug used in weight loss procedures effectively. But does Phentermine burn fat or just suppress appetite?

Before diving straight into the details, let’s take a moment to know about the drug.

What is Phentermine and how does it work?

Phentermine is a medicine that belongs to a class of drugs called sympathomimetic amines. It has its usage when you need to lose some weight with diet and exercise. It actually works by suppressing appetite which is a part of short-term treatment.

So, the main function of Phentermine is to decrease appetite so that you consume less calories. Losing weight becomes easy when you are strong in portion control.

Does Phentermine burn fat or just suppress appetite? The first answer is no, the second is yes!

It doesn’t necessarily do anything to burn extra body fat from your body. It only stimulates the release of neurotransmitters in the brain.

After using it, you can lose weight just because you’ll be eating less than usual. But the drug does not contribute to fat burning.

It is also the reason why, doctors that recommend Phentermine, do it only for short-term. Normally you need to use it for a few weeks to avoid the side-effects and all. Above all, Phentermine won’t be effective for long because its effectiveness doesn’t last.

In case your doctor has prescribed you Phentermine, they know your body will benefit from it. But you have to understand that you can’t see it as a long-term solution.

You need to make serious lifestyle changes to lose weight realistically.

Does Phentermine burn fat or just suppress appetite? Now you know the answer.

Who can take Phentermine?

Your doctor might prescribe you Phentermine for different medical conditions. Know what they can be:

If you are obese

People over 12 years of age are allowed Phentermine. In case you’re someone with a body mass index of 30 or higher, you will be under the obese category in terms of BMI. So, your doctor is free to advise you to take on this medication.

Also, in some cases your BMR may be 27 or higher. It is an overweight condition but you can handle such weight gain without medical intervention.

If you have short-term weight loss goals

Phentermine is best for those who need to lose weight within a few weeks. The reason may be underlying medical conditions. It is important to note that both weight loss and weight gain take time. Rushing these with medicines can lead to unforeseen side effects.

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If you don’t have pre-existing conditions

Before recommending Phentermine, your doctor will definitely inquire about your medical history. In case you have no history of heart disease, hypertension, glaucoma, hyperthyroidism or drug abuse, you’re good to go.

If you are not expecting

Doctors don’t recommend Phentermine to pregnant or breastfeeding women. If you plan to get pregnant, this is not a medicine you should consume.

In case you intake Phentermine during pregnancy period, your child might not be as healthy as you want them to be.

If you never tried drugs

Phentermine isn’t for those who have a history of drug abuse. If you have a history, then Phentermine won’t work on you. Because the stimulant properties will have no impact on you.

Why am I not losing weight on phentermine

Even when you’re on Phentermine, you need to follow some protocols or else you won’t see the results.

First of all, Phentermine is a drug, not a magic pill. Secondly, it needs you to combine that with more activities to show results. Let us give you clear ways to explain why you are not losing weight on Phentermine:

Junk food consumption

Your appetite is not what it used to be now that you’re taking Phentermine. But that doesn’t mean you’re allowed to eat unhealthy food that does no good to your health.

People start consuming fast food while in Phentermine. This actually causes harm because you don’t get enough nutrients that your body needs.

Improper nutrition

With limitless junk food consumption comes improper nutrition that can ruin your health. In case you’re eating too much of these foods, yo you are ruining your gut health.

Losing weight does mean that you’re supposed to be in line with a proper nutritional routine.

Lack of physical exercise

Weight loss and physical exercise goes hand in hand. This is no different when it comes to losing weight with Phentermine. In case you’re not doing physical activities, you will not get potential benefits of Phentermine.

Does phentermine give you energy

There is another question that bothers people.

Phentermine works by suppressing appetite and this helps you lose weight. But does Phentermine give you energy?

The answer is yes! Phentermine is known to give you energy because it stimulates the release of certain neurotransmitters.

It also releases Adrenaline that gives you a boost in energy. This is actually one of the side effects of this drug.

However, this boost in energy can be a good thing for you. Think about the things you’d be doing in case your energy level goes on a high. It’ll be easier for you to stay active in this phase by doing some physical activities as well.

That being said, this energy boosting aspect isn’t the same for everyone. It varies from person to person.

People complain that they aren’t getting enough energy even after using Phentermine. If this is the case for you, you should consult a doctor. Maybe a change in doses could solve the problem.

Apart from that, you can stick to what your doctor ordered. Drink enough water to stay hydrated throughout the day. Do some exercises and it’ll help you stay on your toes. Also, eat healthy to make sure that you’re getting proper nutrition.

How does Phentermine make you feel

Here are examples of what this drug can do for your body:

Increased energy

As you read earlier in this article, Phentermine is known for giving you energy. While it might not be the same for everyone, you’ll still be getting more energetic than usual. You may also enjoy this newfound energy as this could be a blessing for you.

Suppression of appetite

One of the main functions of Phentermine is to suppress your hunger so that you eat less. So, you may feel like you’re not getting hungry like you used to before. You may feel like you’re full after eating less.

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Improved focus

Your focus and concentration will improve while on Phentermine. Since this drug works by stimulating the neurotransmitters in the brain, it impacts your concentration levels.

Increased heart rate

Another important feeling you’re familiar with is elevated heart rate. It can also increase your blood pressure. But it’s not alarming and you can always consult with your doctor in case of any complications.


Another side effect of Phentermine is trouble sleeping or insomnia. Since this drug makes you more energetic, it’s kind of obvious that you’ll have problems falling asleep.

In case that’s bothering you too much, we do have a remedy for you. You need to take Phentermine early in the morning. And by the time you go to bed, the effect of the medicine will wear off.

Dry mouth

Phentermine decreases the production of saliva. So, you may experience dry mouth which is another side effect of this drug.

What you can do is to drink enough fluid so that your mouth doesn’t go dry. Consult a doctor and follow OTC medicines as prescribed in such cases.

Diarrhea or constipation

You may experience constipation or diarrhea while using Phentermine. It depends on certain individuals and you might be experiencing one of these.

Regardless of your situation, you need to drink lots of water to stay hydrated. Especially when you have constipation, drinking enough water will help you digest food more easily. You’ll definitely need to prevent dehydration if you’re experiencing diarrhea.


Patients have also reported headaches as one of the side effects of Phentermine. This can happen due to the change of blood flow in your brain. Consult with your GP for pain relievers.

Body tremor

Another complication could be body tremors and this is more concerning than the others. But normally doesn’t happen with other symptoms and doesn’t last long. However, you should consult your doctor if it gets worse. In that case, the dose of the medicine needs adjusting.

It’s very important for you to understand that side effects vary. You have to use it under the guidance of your doctor to avoid any complications.

Phentermine will make you feel good. However, the effects are temporary. Your feelings will go away after it’s impacts are completely gone.

It would be much better for you if you do not depend on it too much.

Does Phentermine Burn Fat or Just Suppress Appetite?

How long does Phentermine last in a day

The duration of the effects of Phentermine varies from person to person. Since this is a medication for short-term usage, the effects don’t normally last long.

You need to take the medicine in the morning, and you’ll know the difference shortly after. The first few hours are the most important post consumption.

It starts working, boosts your energy levels and suppresses appetite. The effect lasts for 4 to 12 hours. However, this depends on the doses as prescribed by your doctor.

Then again, the medicine itself doesn’t go away from your system until 4 days. It stays in your urine and blood for quite some time.

This duration also varies from person to person.

So, does Phentermine burn fat or just suppress appetite? You’ve certainly found the answer you were looking for.

If your doctor recommended Phentermine, you are in safe hands. But you should refrain from using the drug without supervision.

It is not the best treatment for weight loss. The more you lose weight with regular diet and exercise, the better your health will be.

Final thoughts

Phentermine is a drug that helps in weight loss and you can use it to your benefit. It doesn’t burn fat directly. If you want to lose weight, you need to approach it with a strategy that doesn’t require any sort of appetite suppressant.

Frequently Asked Questions

1. Does Phentermine burn fat or just suppress appetite?

It only suppresses appetite to help you lose weight.

2. Will phentermine help with belly fat?

Phentermine drug triggers adrenaline and, in turn, breakdown stored fat. So, yes, the drug does break down hard to reduce belly fat.

3. Why am I still hungry on phentermine?

It is normal to feel hungry during the initial weeks, but that doesn’t mean you are not losing weight. Don’t keep yourself hungry until you are fasting mindfully.