How Long Does Phentermine Stay in Your System?


A lot of people use Phentermine as it’s one of the best weight loss pills in the market. The best thing about Phentermine is that it’s fast, doesn’t need a long treatment and it doesn’t have any severe side effects. A lot of people prefer Phentermine to any other weight loss pills.

How does it work?

Phentermine works amazingly during your weight loss journey. With proper diet a workout routine you can lose a lot of weight with the help of Phentermine. So how does it work? Phentermine suppresses your hunger. It acts as a sympathomimetic agent in your body which mimics the activity of the chemical that can be found in your brain. The name of the chemical is nor-epinephrine. That means, just like nor-epinephrine acts as a stimulant on the brain which suppresses your hunger.

Phentermine also burns your fats and turns them into body energy. It also boosts your metabolism and burns calories which help you to lose weight.

Phentermine Dosage Option

Phentermine dosage options are quite easy and there are a variety of dosage options available for you. However, the most popular dosage found in US is between 15mg to 37.5mg. There are a few other Phentermine dosages that are recommended by the doctors. However, a few Phentermine brands do produce Phentermine in higher dosages. The “mg” that is used in Phentermine means milligram amount of Phentermine hydrochloride. You can find 15mg, 30mg and 37.5mg dosage available for you in the market.

The dosage option depends on your own capability. For example if you want to lose weight faster, you can take 37.5mg Phentermine dosage per day. However, you can split it into two 18.75mg and take it twice in a day for some days. Or if you are a beginner, then start your dosage with the minimum amount of 15mg. you can increase the dosage with time.

Phentermine is taken for a short period of time from 8-12 weeks. But not more than 12 weeks. What you can do is, you can take Phentermine twice in a day with water, first one before breakfast and the second one before lunch.

Phentermine: how long does it stay in your system?

Phentermine is used for a short span of time and the results of Phentermine differ from person to person. So how long does Phentermine stay in your system? If you are someone with average body and you have average metabolic rate, then Phentermine takes 3-5 days to pass through your digestive system. Just like any other results, this process too depends on your height and weight. If you are someone with a lower weight and shorter height, it can pass through your system in just 72 hours.

As Phentermine has shorter half life, it doesn’t stay for a long time in your system unlike any other weight loss supplements. This is why it has fewer side effects than any other weight loss pills in the market. Phentermine indeed give amazing results in just few days.


Phentermine is undoubtedly one of the best weight loss pills that anyone can come across. However, the best thing about Phentermine is that it doesn’t have much severe side effects and it doesn’t stay long in your system. Buy Phentermine now and start your weight loss journey.