phentermine weight

Why Am I Not Losing Weight on Phentermine

, reviewed by
 â€“ Updated May 29, 2023
, reviewed by
 â€“ Updated May 29, 2023
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Table of Contents

Phentermine is an effective obesity drug that can lead to great results in weight loss when you follow all recommendations and the dosing schedule. However, some people using this drug report that they are not losing weight on Phentermine.

There are similar complaints: “I’m taking Phentermine and not losing weight”, “I am not too hungry on the drug, but the weight is not coming off”, and “Phentermine gives me strength, but I’m not losing weight”.

If you experience a similar problem and wonder “Why am I not losing weight on Phentermine ?” , there are several possible reasons for this effect.

Here are 9 main reasons why you can’t lose weight on Phentermine and the ways to eliminate them:

You eat too much

By habit, when you start taking Phentermine, you can eat as much as before, even if your hunger is not strong. Try counting calories or weighing portions. It will allow you to control the amount of food your body needs.

You eat too little

Too much food is bad; too little food is even worse. Taking Phentermine can lead to a complete lack of hunger. Without enough energy from food, the body gets stressed and begins to store fat. Create a good menu with low-calorie foods, and the weight will start to go away.

Overeating or undereating while on Phentermine? Visit us for a tailored Duromine meal plan. Control portions, optimize calorie intake, and stimulate healthy weight loss today!

You have poor or little sleep

Quality sleep is the key to effective weight loss. The body needs enough sleep so that the metabolism doesn’t slow down. Sleep deprivation provokes the release of hormones responsible for hunger and leads to food cravings at night. Get enough sleep! It is good for your health and weight loss.

You have an undiagnosed disease

Before prescribing Phentermine, a doctor should do a complete examination. It is necessary to identify possible diseases preventing weight loss. If the diagnosis wasn’t carried out and the drug doesn’t help you, contact a doctor for an examination.

You don’t take the required vitamins

Poor metabolism can be a symptom of vitamin deficiency in the body. You need to get nutrients from food, but you may also need specially prescribed vitamins. A lack of vitamins may slow down the effect of Phentermine on body fat.

You are under constant stress

According to a study published by the American Psychological Association (APA), stress leads to metabolic disorders and obesity. Reducing stress levels normalizes the hormones responsible for weight loss. If you are under constant mental stress, it interferes with weight loss. An illustrated guide from the World Health Organization (WHO) on how to deal with stress can help. You can also seek help from a psychologist or psychotherapist.

You have no exercise

Diet and Phentermine may not be enough. For the drug to be effective, at least minimal exercise is required. Besides, it helps relieve stress.

You consume many empty calories

For best weight loss results, you should eat healthy food. It would be better to replace empty calories with healthy foods that will improve your health and contribute to the fastest weight loss.

You drink little water

All nutritionists confirm the benefits of water during weight loss. Water accelerates metabolism, improves the action of Phentermine and reduces its side effects.


For better effect from Phentermine, it is crucial not only to switch to healthy food, sleep well, drink enough water and eliminate stress. You should find your motivation! Phentermine is not only a means to an end but also a reason to change your lifestyle for the better. At each stage of weight loss, set and achieve new small goals to get the maximum benefit from the treatment.

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