Sorry something went wrong with your subscription Please, try again in a couple of minutes Retry. ED can sometimes signal an underlying medical problem, like heart disease or diabetes , that needs to be treated separately. How long does it take for Cialis to peak? Both Cialis and Viagra work in this way. These medicines all work well for ED. Cialis can be taken daily, providing constant treatment for ED for people who have sex frequently.Learn more about the new over-the-counter erectile dysfunction medicine now available at Boots Viagra Connect is the first erectile dysfunction medicine in the UK to be sold without the need for a prescription, which means you can order Viagra Connect discreetly online or buy in-store without the need to make an appointment with your GP.  · The most promising supplement for boosting testosterone, according to Dr. Desai, is ashwagandha. A study in the American Journal of Men’s Health examined overweight men, ages 40 to 70, with. Dosage. The dose of Cialis you need will depend on whether you’re taking it daily or as needed. Daily doses are often between and 5 milligrams (mg). The as-needed dose is usually 10 mg but can range from 5–20 mg. The typicaldose of Viagra is 50 mg. However, the dosage can range from 25– mg.