Levitra (vardenafil) relaxes muscles found in the walls of blood vessels and increases blood flow to particular areas of the body. Levitra is used to treat erectile dysfunction (impotence). (2012 Pubmed)
Alternatives: Erectile Dysfunction is often due to an amalgamation of factors; but the first step to fixing it would be quantifying and Biohacking one's testosterone levels.
Get a blood test of testosterone.
Optimize your diet. Switch to an organic diet high in healthy fats. Cut out the sugars, processed carbs and don't consume things that raise your estrogen levels. Like beer!
Take cold showers.
Consistent exercise and resistance weight training.
Reduce stress - easier said than done, right - by practicing meditation or 10 minutes daily of Dual N-Back brain training.
Along with natural and herbal supplements like Zinc, Vitamin D, Ashwagandha and the others described below.
In the Biohacking communities to which I contribute I'll frequently hear from (sometimes young) men who are having issues getting it up and even getting excited about women. I make a couple of common sense, yet uncommonly practiced methods.
No fab and no watching porn for two or three weeks (longer if you are over 40
Regular platonic physical interaction with women; salsa classes, Bachata dancing, getting a massage or male cheer leading?
Horny Goat Weed has a hard (Pun intended!) earned reputation, as an erection enhancer. While it has this effect in men of all ages, it's a particularly effective agent for dealing with erectile dysfunction. To this effect it's fast acting, according to one user:
"I took it before bed, 30-40 minutes before sex, and oh my god, I had one of the best sex ever 
I decided to take it only on the day when I'm sure I will have sex. I took it 3 times and I can confirm that the sex is much better due to extremely hard and long lasting erections. This stuff makes me more sensitive, but on the same time I can have all under control"
I decided to take it only on the day when I'm sure I will have sex. I took it 3 times and I can confirm that the sex is much better due to extremely hard and long lasting erections. This stuff makes me more sensitive, but on the same time I can have all under control"Ginseng will make her sing! A 2009 Korean study of 143 men experiencing erectile dysfunction, concluded after 8 weeks of treatment at 2 grams daily:
"Erectile function and overall satisfaction scores after medication were significantly higher in the [mountain ginseng extract] group than in the placebo group..."
Alternative Drugs: Viagra, Cialis, Prostaglandin E1 injections, Vacuum erection devices, L-arginine.
