New vitamin complex: Myth or real help?

I started taking a new vitamin complex advertised as a means of maintaining male health. After a month I noticed changes in potency. Is this a coincidence or is it really possible to trust vitamins as a means to improve erections?

I would like to learn more about BodyLogicMD products. Specifically about the use of bioidentical hormones. Can anyone share their experience of using them and tell me if they should be trusted? I am looking forward to your advice and feedback!