L-arginine. L-arginine is an important amino acid that the body needs to build proteins. Because L-arginine has been shown to improve blood flow, some alternative practitioners have recommended that the supplements be used to treat ED. The Natural Medicines Comprehensive Database, which is a reliable authority on alternative medicines, says L-arginine is possibly effective for treating erectile dysfunction. But Harris warns that "although this supplement could improve blood flow, side effects can be dangerous." L-arginine can cause an allergic reaction or worsen asthma in some people; it can also lower blood pressure.
This herb has been used by men for many years and has been referred to as Asian Viagra because it’s made from the roots of a tree that grows in Malaysia, Thailand and Indonesia. Tongkat Ali is used to treat erectile dysfunction, and to increase sexual desire, libido and sexual performance. It is thought to work by increasing levels of testosterone, the dominant male hormone.

^Effects of Korean ginseng berry extract on sexual function in men with erectile dysfunction: a multicenter, placebo-controlled, double-blind clinical study. - Author: Department of Urology and Urological Science Institute, Yonsei University College of Medicine, Seoul, and R&D Center, Amorepacific Corporation, Gyeonggi-do, South Korea (20 Dec 2012)
L-arginine. L-arginine is an important amino acid that the body needs to build proteins. Because L-arginine has been shown to improve blood flow, some alternative practitioners have recommended that the supplements be used to treat ED. The Natural Medicines Comprehensive Database, which is a reliable authority on alternative medicines, says L-arginine is possibly effective for treating erectile dysfunction. But Harris warns that "although this supplement could improve blood flow, side effects can be dangerous." L-arginine can cause an allergic reaction or worsen asthma in some people; it can also lower blood pressure.
Much of the evidence shows high rates of vitamin D deficiency in patients with erectile dysfunction. In fact, one study of 3,400 participants found that men with vitamin D deficiency were 32% more likely to have trouble with erections when all other risk factors were controlled for. It’s a little on the nose that you need vitamin D for your “D,” but hey—science can be funny too.
Yohimbine: The main component of an African tree bark, yohimbine is probably one of the most problematic of all natural remedies for ED. Some research suggests that yohimbine can improve a type of sexual dysfunction that is linked with a drug used to treat depression. However, studies have linked yohimbine to a number of side effects, which can include anxiety, increased blood pressure, and a fast, irregular heartbeat. Like all natural remedies, yohimbine should only be used after advice and under supervision from a doctor.

Coenzyme Q10, when taken in recommended dosage, under medical guidance is safe for most adults. However, it may sometimes cause mild side effects pertaining to digestion such as loss of appetite, stomach upset, nausea and diarrhea. It may also cause skin rash and is known to affect blood pressure. Experts say that dividing a single daily dose into 2 or 3 smaller doses per day can help in reducing these side effects.

It should be noted that Panax ginseng doeshave one major side effect: insomnia. However, compared to the side effects of other erectile dysfunction medications have, such as Viagra, many may consider this side effect to be worth it. Also, ginseng may react negatively if you’re taking any other medications, and with caffeine, so you should always talk to your doctor about your options before taking this step.
For many men, stopping smoking is an erectile dysfunction remedy, particularly when ED is the result of vascular disease, which occurs when blood supply to the penis becomes restricted because of blockage or narrowing of the arteries. Smoking and even smokeless tobacco can also cause the narrowing of important blood vessels and have the same negative impact. 
×