PDE5 inhibitors work by inhibiting the production of cGMP. This enzyme is found in the erectile tissue and is responsible for the enlargement of the erectile tissue. These drugs have been studied for their pharmacokinetics, which include their absorption, distribution, metabolism and elimination. Make sure Kamagra Jelly Australia is from Ajanta Pharma and you are buying from a reputable online store. Before taking Kamagra Jelly, you should talk to your doctor to get his approval to use the drug.