It amplifies the cell activities leading to an increase in the heat energy in the body. This causes a reduction in the fat in the body by stepping up the metabolic rate. It not only causes weight reduction, it also turns fat into muscular tissues.
Its long term effects on humans is yet to be researched upon, therefore it has been banned in the United States of America by its Food and Drugs Administration or FDA. It is available as a prescription medicine in other countries for treating illnesses like asthma in patients. People also buy this drug online and it is also available in the black market. But its quality needs to be checked thoroughly before sourcing it from other means.
Cases of food poisoning have been reported where people have consumed meat or animal products contaminated with Clenbuterol.
Many sportspersons have tested positive with this drug in their systems majorly because of its second hand consumption through animal products contaminated with this drug. Its presence can be tested through the semen and urine samples.
It has its side effects ranging from nervousness and anxiety, inability to sleep, vomiting, feeling dizziness, tachycardia, high blood pressure, high pulse rate to extreme perspiration.
Though Clenbuterol is given to horses to cure their respiratory ailments and also to cows to relax their foetal activities, its testing on rats have shown different results. These pills have shown an increase in metabolic rate of rats and have shown marked improvement in their stamina. These animals have shown an increase in the size of their hearts. This is due to a rise in collagen fibres which ultimately leads to the hardening of the heart muscles. It has also been observed to cause damage to the heart cells over the long run.
The weight reducing effects of these pills have been observed to become less effective with time. So, precaution needs to be taken while taking this medicine.