Hello Wout000 & nice to have you as a member of Pherotalk 
So i see you want to test the pheros here & see how it works on both sexes. Good to hear that OK first you got tell us what you hope by using pheros & what kind of effects you hope for so that we can help you better this way Here is a link to more detailed info about all the men pheros here> mens pheromone guide
Ok for your question, no there is no discount whether you buy all or some of the men pheros here but you will get the $15GC from our lovely & helpful Lady Tisha AKA Tisha23
I will be back to check this intro. See you