lose weight with phentermine

How Much Weight Can You Lose With Phentermine?

General Phentermine Questions?
Check out the ultimate guide to phentermine weight loss pills!

Although phentermine is the most widely prescribed weight loss medication in the US, there is still a degree of confusion surrounding the drug with respect to how it works and what those prescribed it can expect in terms of effects and weight loss. A very common question stands, “How much weight can you lose with phentermine?” Here we explain how you can achieve long term weight loss success, by recognizing what phentermine can do for you and how you can make the most of your phentermine prescription.

Change Your Perspective

As with attempting to make any lifestyle change, the most important thing you can do to ensure that the changes you make are successful and permanent, is to change your perspective. The goal of any weight loss plan is to help you learn how to independently make informed choices with respect to the food you eat and the activities you chose to do, and phentermine is no different. Phentermine helps you to lose weight by reducing your appetite and increasing energy levels, and so, should be seen as a tool to help you establish a routine of healthy eating and exercise. The best way to make use of this tool while you have access to it, is to take the time to educate yourself about healthy choices, such as how to satisfy hunger more effectively with nutritious and delicious foods and how to discover the key to enjoying exercise solely for the pleasure of moving your body and feeling yourself getting stronger and healthier.

An important part of changing your perspective is to remove the word ‘diet’ from your vocabulary and recognize that the changes you make have to be sustainable for life. That is not to say that you need to feel like you are resigning yourself to a lifetime of eating rabbit food and 6am gym workouts. Instead, recognize that by making small changes now that you feel you will be able to stick to in the long term, you will be less likely to give up, and even less so when you begin to see big changes in your health and body which will motivate you to continue.

Follow the Doctors’ Orders

The best way to ensure you get the most from your phentermine prescription is to be informed about your choices while also being careful to follow the advice given to you by your doctor. In the same way that you should always disclose everything to your doctor about your lifestyle, medications you are taking, and other important factors, you should also expect that he or she informs you of everything you need to know about phentermine and your prescription. In this sense, both the doctor and the patient being fully informed means there is a better chance of success and less potential for confusion or problems with your phentermine prescription. We strongly encourage those taking phentermine to ask their doctor questions in order to educate themselves about side effects, dosages and what to expect, but another great way to find out more information is by participating in the support group on Facebook to seek support and share experiences.

It is also important to recognize that everyone is different; your prescription or dosage may be different to what you’ve had before or what another member of the Facebook group has been given, but by ensuring that you feel informed by your doctor, you can know that what you’re taking is the prescription best suited to you and your individual circumstances. If at any point you feel unsatisfied with the effects of phentermine, or have any worries or concerns about side effects, we would always advise you to consult your doctor before making any changes to how you take your prescription. Your doctor will base your prescription on what he or she judges to be best for you, but if you don’t feel that your dosage is sufficient, or perhaps that it is too strong, it is always better to seek your doctor’s advice in order to reach a suitable solution and ensure that whatever dose you’re taking works in the best way possible for you.

lose weight phentermine

What to Expect

One concern for those taking phentermine, is that due to the limited amount of time (typically 12 weeks) that phentermine is prescribed, there is an urgency to lose as much weight as possible during this time. However, this is not the intended use of phentermine, as rapid weight loss is neither healthy nor sustainable. Depending on your lifestyle prior to taking phentermine and the changes you make once you start, such as if you greatly increase your water intake, it is often possible to lose several pounds in the first week as your body sheds water weight. However, the recommended weekly rate of weight loss is one to two pounds; this rate ensures that your body is losing fat and not precious muscle, which your body needs to retain in order to assist with fat burning, and it is a rate which is achievable in the long term once your phentermine prescription has finished. Furthermore, unrealistic expectations can lead to feelings of failure and more chance of giving up if those taking phentermine fail to appreciate that smaller weekly losses are healthier and are more likely to add up to big total losses.

Often when people lose weight too rapidly it is due to them placing unreasonable demands on their body and not following a healthy diet and exercise regime. Making changes which are too drastic such as following fad diets or working out to extremes every day may help you lose weight in the short term, but if any changes you have made are not maintainable for life, then your goal weight will not be maintainable for life either. Although there will be a finishing point for your phentermine prescription, there is no such finishing point for following a healthy lifestyle. In order to continue losing weight or to maintain the weight you have lost, you will need to be mentally and physically fit and strong in order to continue a healthy lifestyle once your prescription ends. It is only by ensuring that you have taken your time on phentermine to adopt healthy habits and learn healthier ways to live, that you will be able to avoid the yo-yo effect of regaining the weight you worked so hard to lose.

Phentermine is usually only prescribed for short periods due to the effects it can have on the body, both in terms of side effects and due to becoming less effective over time, as your body becomes used to the medication. One way to ensure that phentermine continues to work for you, is to combine your phentermine prescription with Phen Caps, the phentermine alternative recommended by Phentermine.com. Phen Caps can help enhance the effects of phentermine while you are taking it, or as you come to the end of your prescription. Like phentermine, Phen Caps help you to lose weight at a steady rate by suppressing appetite and boosting energy levels, so you will be able to continue with your weight loss journey even after your phentermine prescription has finished. To learn more about Phen Caps, click here, or to purchase Phen Caps, click here!

The most important thing to remember when starting your weight loss journey with phentermine, is that it’s YOU who is going to do all the hard work to lose weight, and phentermine is just a tool to help you get to where you need to be to be able to go it alone. This realization should empower you to take on your weight loss journey being the most informed and motivated you can be, ready to lose weight for life with the help of phentermine but with 100% faith in yourself that you can and will do this, because this is your journey and you decide where it leads.

Are you taking phentermine? How much weight do you hope to lose, or how much have you lost so far? We want to hear your success stories to help motivate us all to make this year the year we all succeed! Please comment below!

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164 Responses

  1. I am 34 and I have been on the phentermine for two weeks and I lost 2lbs I don\’t have a appetite much but I started walking every day. I am on 30mg I feel like I ain\’t loosing that much.

    • Hi Debra!

      We recommend contacting your prescribing doctor if you really feel that phentermine is not working out for you. There could be underlying causes for this, and your doctor could help you discover if maybe another approach is more effective. However, also realize that all bodies react differently, and age, metabolism and lifestyle are very important in the effects they have upon weight loss. A good, healthy weight loss number is about 2 pounds per week. Although you can lose more than that, there is a risk for those that lose too much weight too fast.



  2. I personally used Phentermine prescribed by my PCP in the past. It truly helped curb my appetite immediately. I then made a food journal and didn’t go above 1500-1800 calories daily while choosing a wide variety of foods. I only played the game Just Dance at home at least 5x weekly for 30+ minutes and three in some normal sit-ups, push-ups, etc for 10 minutes before dancing (obviously stretched beforehand). I drank water like a mad woman. I lost over 70 pounds in a 5 month time frame, remember it is only prescribed 12 weeks. I did full doses on rare occasion and took half doses a lot so it lasted longer than it’s 12 week span. However what no one warns you that sometimes you shouldn’t dive head first into a completely new lifestyle change!! I had almost completely cut off fatty foods to get the most out of this in the short period they would allow me to use Phentermine. I allowed myself one cheat day per week to go to 2000 calories with any food of choice. I stopped using the medicine for month or so and I started having TERRIBLE stomach problems. Anytime I ate anything with a slight amount of fat I had these almost like heart attack episodes. I decided I would go to the ER during my fourth attack. Come to find out, I completely threw my body into whack by my drastic lifestyle change. I was found to have a gallstone blocking my ducts causing liver failed and pancreatitis. I was hospitalized for a week and ended up having my gallbladder removed. After all my hard work, dedication, new found love for exercise and eating healthy I had to take time off from it to recoup. I may have went head first and shocked my body but it certainly made me feel great losing 70 pounds and loving exercise. At the time I was breathing better, losing weight, boosting self esteem, finally enjoying exercise which helped with mood, and thought I was eating right. Moral of my story is I went to hard to get results and hurt myself in the end. A year later I gained back half of the weight lost and felt worse because I worked so hard and it hurt me in more ways than one. I strongly suggest this medication to the determined individual with REALISTIC AND HEALTHY lifestyle changes…only at a slow pace! It works wonders but will definitely hurt you if you do not have realistic goals. Even if your physician wants to achieve its max potential in 12 weeks, only do what you can in a healthy manner! I was so thrilled that I continued my eating healthy and exercising after the med..but then would be upset because I couldn’t lose much at all without it and still had a target I just didn’t meet (even after 70 pounds). In the end it really hurt me physically and emotionally and I only would recommend this to those who can control themselves in a manner of knowing and keeping healthy boundaries no matter what more you could lose. Otherwise be ready to gain most back and potentially harm yourself physically and or mentally just to achieve a number you will not keep. POSITIVE REALISTIC BOUNDARIES folks!! Otherwise do not even attempt this medication.

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