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Learn about Phentermine

The most widely prescribed weight-loss medication in the United States.

Phentermine Overview

Learn about phentermine, compare it to other medications on the market and succeed in your weight loss journey.

What is Phentermine?
Side Effects

What is Phen Caps?

Prescription phentermine is NOT right for everyone

Phen Caps

There are many people that hear about phentermine, and maybe even talk to their doctor about it, but ultimately decide NOT to take the medication. They instead choose the #1 phentermine alternative, Phen Caps, which is available without a prescription.

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The Three Pillars of Your Weight Loss Success​

Learn about phentermine, compare it to other medications on the market and succeed in your weight loss journey.

Discover phentermine, the most prescribed weight loss medication.

Learn about phentermine, compare it to other medications on the market and succeed in your weight loss journey.

About Phentermine

Compare phentermine to other popular weight loss drugs in the market

What are the benefits of Contrave? Should I take Xenical? And what’s the difference to Alli? Find the medication that fits your weight loss needs best.

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Explore effective diets, workouts, and nutrition to boost your journey

Is the keto diet for me? Should I try HIIT? Any tips for healthy snacks? Choose from a selection of proven tactics to lose weight and feel good.

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Weight Loss Experts

Naturally, users have many questions about phentermine. Here are some of the most frequently asked ones:

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Why am I not losing weight with phentermine?

Phentermine is undeniably a very effective weight loss medicine, however, for every person who has achieved weight loss success, there are some who wonder why they aren’t losing weight with phentermine. While it’s possible that phentermine is no longer working for you, if you’re still experiencing appetite suppression and increased energy, it might be for one of the reasons that we discuss in our article.

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What Can I do when phentermine stops working?

Phentermine is a popular and effective weight loss medicine, although many users report that it no longer works after 2-3 months of use. Because of the body’s natural response to weight reduction and increased phentermine tolerance, this decreased effectiveness is frequent. In our in-depth guide, we discuss the best tips to avoid such a situation.

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Does phentermine affect my period?

Periods are a real nuisance, but they are a necessary part of life, and most women prefer the predictability of a monthly cycle. Unfortunately, some female phentermine users experience early, late, missed, heavy or especially uncomfortable periods, or spotting, while taking this medication. Although menstrual inconsistencies are not officially recognized as a phentermine side effect, anecdotal evidence suggests that phentermine period problems are a prevalent worry for female patients.

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How does phentermine affect the thyroid?

Phentermine is frequently an excellent option for those who wish to lose weight but also have medical issues that must be addressed, such as the many people who battle with their weight as a result of hypothyroidism, or an underactive thyroid. Here, we’ll explain everything you need to know about your thyroid and phentermine!

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What is the difference between phentermine capsules and tablets?

Because phentermine is made by a number of pharmaceutical companies, it is available in a variety of shapes and sizes, including capsules and tablets. You may be asking what the difference is between tablets and capsules, and which is better for phentermine, so we’ll go over why manufacturers choose between the two, as well as the benefits and drawbacks of each when it comes to your phentermine prescription.

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Impressive Results

Phentermine helped thousands of people to attain their ideal weight. Read some of the astonishing success stories.

“Exercise is very important, don’t give up, and don’t let no one bring you down.”


Monica before and after lost 50lbs
“I get stopped in the hallway at work and people tell me how awesome I look. Men check me out!!!”


Sarah before and after lost 38lbs
“Always stay focused on your goals. Don’t get discouraged if you don’t get the results you were hoping for right away.”


Sabrina before and after lost 50lbs

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Always up-to-date

Stay informed with the latest developments around phentermine and weight loss science.

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