What can i do to have better erections?

MULTIPLE ACTIONS: Control blood pressure, diabetes mellitus, cholesterolor any other medical problems, if not effective vacuum pump device oral/injectable medications may be tried if all fails penile implant may be considered see your pcp.

Many possibilities: This depends on the cause. See a doctor to evaluate for diabetes, high blood pressure, low testosterone, heavy metal toxicity etc. If those are OK try a good multivitamin, L-arginine 2000 mg, L-citrulline, Ecklonia cava, Panax ginseng and/or beet powder. Follow a healthy diet and esp. avoid all GMO foods. Exercise, get adequate rest and reduce stress. Acupuncture/Chinese herbs may help too.