niacin to improve blood circulation to the penis
Niacin has always been known as a great blood thinner. Any improvement in arterial or blood flow, automatically translates to a healthier libido and sexual functioning. Vitamin B3 also is valuable for how it breaks down carbohydrates, proteins and fats.hese natural aphrodisiacs relax the smaller blood vessels of the penis, thereby allowing the penis to have greater blood flow. This results in better sexual functioning. Not only do these aids help with impotence, they also greatly increase libido and semen production.