It's S'well's ongoing mission to create products that are both beautiful and eco-friendly, that infuse innovation with inspiration, and that continue to give back to communities in need. Watch our latest S'well video to learn moreâand to see some of our most coveted designs come to life. Learn More
In clinical studies, Viagra began to work in as little as 14 minutes. For most people, though, it began working within 30 minutes. There are a number of factors that can increase or decrease how long Viagra lasts.owever, in most people, Viagra will last for about four hours -- although it generally starts to lose its effectiveness after a couple of hours.
Best Answer: Your body assimilates it in about a half-hour minimum, but 40-60 minutes is ideal. The woody lasts as long as you can control your ejaculation, although there is a certain residual effect with the Viagra. It works totally naturally. The effect of Viagra is in your body for at least 12 hours.eport Abuse. I've had it start to work in as little as 15 min. The 'woody' lasts as long as there is stimulation. Contrary to what all these kids think, Viagra does not give an erection on its own, there has to be some sort of stimulation.