The popular drug combination of fenfluramine and phentermine is commonly known as Fen-Phen. It is in use in medicines for the treatment of overweight or obesity. This highly efficient combination of the two popular anorectics has also been in use as an appetite suppressant. It belongs to the class of sympathomimetic amine. As such, it acts as a stimulant that has the capacity to enhance the effectiveness of neurotransmitter in the sympathetic nervous system.
An overview of fen-phen
When fen-phen was pull from the market, people who wanted to use this immensely helpful supplement had to depend on the herbal version on fen-phen. Herbal fen-phen is much easier to obtain and use than the synthetic version of the same.
As said before, the supplement is consisted of fenfluramine, and phentermine. The former raises the level of the most important chemical serotonin in the human brain thereby making a user feel full, which prompts him or her to eat less. On the other hand, phenteramine, increases the metabolic rate in the body, which helps to burn up more calories in less time.
Within the human body, fen-phen provide the same nerve activity as that of epinephrine, ephedrine, and isoproterenol. Epinephrine has multiple function in the body. The common name of epinephrine is adrenaline. It is a substance that the body releases in order to combat against sudden stress. The body use epinephrine against life threatening allergies. In presence of this chemical the blood vessels widen, muscles in and around the lungs relax to allow higher volume of oxygen, etc. Ephedrine, on the other hand, is useful in enhancing the capacities of the lungs. Hence, ephedrine is always a part in allergy and asthma problems. Again, isoproterenol is a medicine that is used in improving the symptoms oi various cardiac problems. Thus, fen-phen is a perfect supplement for multiple uses.
Alternative to fen-phen
There are good many alternatives to fen-phen are also available in the market. Anorexiants are categorized on the basis of their chemical type of the most active ingredients present in their respective molecules, and how they are effective in different physical conditions. Fundamentally, anorexiants functions actively in the brain like appetite suppressants. They mainly stimulate the limbic regions of the brain, which consists of amygdala, hippocampus, thalamus, hypothalamus, basal ganglia, and cingulate gyrus. The limbic part controls different kinds of emotions and feelings, including the sensation of fullness. Thus, anorexiants are mostly used in the treatments and therapies for overweight or obesity. Some popular anorexiants are as follows –
Use and doses of Phentermine
Ever since fen-phen was pulled from the market, people started to use phentermine in different combinations as formulated by different manufacturers. Phentermine is available in the market in different formulations, and these products are effective in the human body in different ways. Phentermine hydrochloride topiramate give the user a feeling on satiety. Again, Adipex-P works in the body in some different ways, it works in the cerebral cortex area of the brain with a target to reduce appetite and the intention for food.