them good quality source as I said before Amazon has a lot of fraud and counterfeit supplements so you want to make sure that you are getting them from a good a good company or a good source I have an online medicinally for instance and I make sure my my patients either get it from me or my company I recommend it's just really good sorry the l-arginine with the zinc it's fine zinc you want to be careful with having zinc with folate and certain B vitamins because it will block the absorption of the zinc so make sure your zinc supplement your B vitamins especially full light but l-arginine with zinc it's fine that's very beneficial for men's health okay Marcus what are some problems of the lack of erections and how can be resolved there's many problems lack of erections can be caused by many things so there's