It ' s an alt that I don ' t care much about , so it works out <| sep |> At age 23 without any major symptoms ED is almost always a psychologic factor rather than something more serious . The fact that you can get the erection tells me you have enough testosterone and normal circulation . Having a hard time maintaining it is usually a stressanxiety issue . However , I wouldn ' t just take a multivitamin , I don ' t see how that would change anything . Often times the best way to deal with ED due to anxietystress is doing the followingthinking about the stressful events less acknowledging them but not perseverating on themincreasing exerciseincreasing sleepnot thinking that you won ' t get the erectionSome of these things seem intuitive . But men have a way of psyching themselves out of an erection . You might lose it quickly , it ' s okay , let it drop down . Your partner won ' t mind , keep going and stay in the moment . The majority of my patients who do this report to me that they are then finally able to get an even harder and longer lasting erection . This is the same advice we give men who want to be able to perform multiple times backtoback , thinking it ' s not possible , when in fact it ' s a ' training ' thing . Dr Mo