In one word - all veggies! Fruits and vegetables both contain flavonoids, which help in lowering the risk of Erectile Dysfunction (erectile dysfunction). This was confirmed in a large study conducted on over 50,000 men published in The American Journal of Clinical Nutrition. Researchers concluded that those who consume flavonoid-rich foods at least thrice weekly were less likely to be affected by erectile dysfunction. Some of the richest sources of flavonoids are berries, followed by cherries, apples, grapes, pears, and citrus fruit. So berry up, bro!