How to Ejaculate More-8 Effective Options You Should Try 1. There are ways you can help to increase the amount of semen you produce upon ejaculation, read on to learn how to increase ejaculate. Although their claims hold no substance, and the products have been widely discredited and deemed ineffective, this does not mean that there are no steps that you can take. There are many products, most of which can be only be found inefficient, that claim to surge the amount of semen you produce upon ejaculation. The normal volume of semen that is produced during ejaculation varies from 2 to 5 milliliters per ejaculation.