KAMAGRA is an alternative to Viagraâ„¢ for customers wishing to use the generic version of this popular treatment for impotence and erectile dysfunction. It is offered in 100mg tablet form. The oral jelly offers an alternative to tablet use with users reporting a quicker time to effectiveness with the same benefit of tablets. Its also suitable for those who struggle to swallow tablets. The effects of kamagra tablets last around 4 - 6 hours.