Here we will look at how to get a rock hard erection without using drugs and show you how to get a stiffer and firmer erection with the best hard erection herbs. The herbs we will look at can be found in all the best natural sex pills for men so lets look at them and see how they work. Erections rely on a natural substance which is produced in the body called nitric oxide and if you don't produce it in sufficient quantity, you will never be able to get any erection at all because the penis can never become hard - so how does this substance help you get an erection? When you think about sex, the brain sends signals to the blood vessels of the penis and nitric oxide secretion begins and when it does, the blood vessels relax, open wider and blood floods the penile tissue and makes it hard. The problem for all men is this substance will start to decline with age and the penis simply cannot harden - so what can you do about it? You can take man made drugs but there not suitable for all men because they can be lethal so a better way to get a rick hard erection is to use some natural remedies. In the best men's sex pills, you will find the natural amino acid L Arginine and the herbs Ginseng, Horny Goat Weed and Cnidium which will all will help more blood flow into the the penis and made it hard, by stimulating nitric oxide production naturally. If you want a rock hard penis, try the natural remedies above which can be found in all the best herbal libido pills and you will probably be glad you did.