Vidalista 10 mg contains tadalafil 10 mg, a PDE-5 inhibitor used for erectile dysfunction (ED). It should be taken only with medical advice, especially if you have other health conditions or take other medicines. Tadalafil is a prescription medicine in many regions. With a doctor’s guidance, it is generally taken: By adult men diagnosed with ED who need help achieving or maintaining an erection. Before planned ***** activity (often around 30–60 minutes beforehand, depending on individual response). In some cases, a doctor may choose tadalafil as part of a longer treatment plan, depending on the patient’s needs and health status. A doctor should review its use carefully if you have: Heart disease or recent heart problems Low blood pressure Kidney or liver problems A history of stroke Medicines that affect blood pressure or interact with tadalafil Do not take Vidalista 10 mg with nitrate medicines (such as nitroglycerin for chest pain) because the combination can cause a dangerous drop in blood pressure. If you mean “where” as in a place to get it safely, the safest option is through a licensed doctor and a regulated pharmacy, rather than an unverified online source. If you mean “when” to take it before sex, I can explain the timing in more detail.