The question is, how much weight can you lose on Phentermine? The simple answer to this is: It varies

The results vary on a number of factors which include your diet, drug dosage, gender, your starting weight, genetic and environmental factors. 

Users observed that the average weight loss on Phentermine is five percent of the initial body weight in one month. It can be as high as ten percent in twelve weeks. This equals loss of 10-20 pounds (4.5-9kg) for a 200-pound person (1)

It can increase to three-five pounds per month. This is a healthy rate of weight loss that allows you to lose weight while preserving valuable lean muscle tissue. It is important to note that younger, heavier and active patients lose weight faster than older, lighter and sedentary ones. 

The average weight loss in the first month of Phentermine use is higher than subsequent months. This is because patients experience more potent stimulant effects in the first month. It is also because they lose water weight when their bodies start drawing on glycogen for fuel.

Some experts suggest that using Phentermine alone can make you lose eight pounds in three months which is about 2.67 pounds per month. It is important to note that the Phentermine isn’t advisable for long term use. On the other hand, over the counter phentermine alternatives can be quite effective without the baggage of severe side effects.

How Fast Does Phentermine work?

Phentermine suppresses your appetite by stimulating the release of neurotransmitters in the brain. It is absorbed through the gastrointestinal tract and reaches maximum levels in the blood by which you will start feeling its effect in three to 4.4 hours. 

It takes 25 hours for half of the dose to be metabolized by the liver. In some cases, it can be excreted in an unchanged form through the urine.

What to consider before you take Phentermine

Here are some tips to consider in case you are planning to purchase Phentermine:

  • Check for side effects

Phentermine side effects include headaches, blurred vision, stomach side effects, slow breathing, insomnia and increased heart rate. So, you need to examine these ingredients to check if you are allergic to any of them. It is not suitable for people with extreme agitation, uncontrolled high blood pressure, glaucoma, heart problems and children below the age of sixteen.

  • Know the dosage recommendation

You must check the instructions before use to avoid using an overdose. You can also consult your doctor for possible prescriptions. It is important to note that doctors worldwide prescribe this pill for people who have a Body Mass Index (BMI) that is greater than 30.  

Bottom line

Phentermine is an over-the-counter weight loss pill approved for short term use (not more than twelve weeks). Phentermine is not a miracle pill. It should be combined with healthy lifestyle changes such as regular exercises and a nutritious diet to achieve optimal results and longterm weight loss. If you want to lose weight and keep it off longterm, consider sticking to a healthy lifestyle.

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