Hi I want it to know if I do a tatto can it interfer whit my medication Effexor (venlafaxine) 75mg once a day. Like theres no product in ink that interfer?

Tattoos. You know, I don't believe there is any published medical literature whatsoever on this question. As far as I can deduce, there should be no problem. At least, no one has reported a problem in the medical literature.
No it will not. You are fine, tattoos do not interact with medications as long as one uses sterile needles.