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How Does Phentermine Work?

How Does Phentermine Work?

phentermine and weight lossWhile there are plenty of people out there aware of the weight loss drug phentermine, and while most of those people probably have a good idea that phentermine is very powerful and effective, the vast majority of people have no real idea how the drug works. For those people, simply knowing that it works and produces results is more than enough for them. But if you’re interested in how phentermine works than read on and learn some of the technical science behind America’s most popular weight loss prescription.


What is Phentermine?

Phentermine is, at a base level, an amphetamine. Most of the time we have very negative mental reactions to that word and that class of drugs, automatically calling to mind speed, cocaine, or any other number of illegal, illicit drugs. While phetermine belongs to the same drug family, and while phetermine superficially holds a number of common properties with those substances, ultimately the difference between them is night and day.


What Makes Phentermine Effective?

Understanding how an amphetamine like Phentermine can help you lose weight depends on a little neurochemistry. Your brain makes sure your body runs itself properly through chemicals it produces and sends throughout the rest of your body, chemicals named neurotransmitters. In a lot of ways the state your body is in and the way it functions depends upon what sort of balance of neurotransmitters you have floating through your blood stream at any given moment. Phentermine works because when your body absorbs the drug it activates your hypothalamus which then begins to produce and secrete neurotransmitters called catechlamines.


Phentermine and Fight or Flight

These neurotransmitters then saturate your blood stream and bring out your fight or flight response. To summarize this response really quickly, “fight or flight” simply refers to the state we enter into when we come into contact with stressful stimuli. Our bodies prepare themselves to either fight the stressful stimulus, or to flee from it. This response is known to produce a number of immediate physiological changes within your body, including making your senses more alert, making you more aggressive, making your body faster to respond to changes in your environment, and (most important for our weight loss discussion) suppressing your appetite. After all, if you are in a potentially dangerous and life threatening situation you probably aren’t going to have the time to sit down for a proper meal and sate your hunger.

Phentermine helps dieters simply by suppressing their appetite and assisting them in eating fewer calories. Its effects on our bodies make it essentially the same as an amphetamine.

Phentermine works through stimulating both the hypothalamus, the location of the brain responsible for controlling hunger, as well as other functions, and also the relieve particular neurotransmitters. These special neurotransmitters, named catecholamines, trigger the body to act in a flight or fight reaction, which will overpower any hunger message, allowing you to consume much less.

Therefore, phentermine uses both the nervous system and the hypothalamus to reduce appetite. When you eat a smaller amount, you reduce your weight. Because of the action on these areas of your body, phentermine usually makes the consumer much more energetic, as well as much less drowsy.

Unfortunately, the hunger controlling effects of phentermine do not last forever. Generally, as people to carry on the use of this pill, they have a tendency to develop a tolerance to it. This usually means that their body will become so familiar with the drug that it quits working as well. Then again, maximizing doses dramatically might not be a good option. Many doctors will only recommend phentermine for short-term use, generally three to six weeks, because of its addictive nature and also its high rate of side effects.

Since phentermine has an effect on the hypothalamus and neurotransmitters, this also causes a number of similar negative effects, such as nervousness, panic disorder, insomnia, and irritability, simply to name few. Furthermore, because phentermine can be so addicting, many people have to taper away from it progressively in order to prevent the danger of distressing withdrawal symptoms.


Phentermine and Weight Loss

So that’s how phentermine works in a nutshell. It tells your body to enter into a mild fight or flight response state, which then suppresses your appetite and helps your eat less. There are other benefits that help you lose weight from this state, especially since the heightened state features greater energy requirements and helps you burn calories faster and more efficiently, but overall the weight loss benefits of phentermine revolve around simply eating less food. This is why doctors recommend you only use phentermine as a supplement to your weight loss regimen of cleaning up your diet and exercising regularly, as the drug will helps you stick to that regimen more effectively.

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  1. January 22, 2013

    VERY HELPFUL AND INFORMATIVE! Covered all the bases!

  2. March 8, 2012

    great post.. I really enjoyed going through
    it and thanks for tips and information!!

  3. December 2, 2011

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