Amino Acids for Erectile Dysfunction— Everything You Need to Know

AminoAcidProducts | July 16, 2020 | Health

The benefits of amino acids cut through a lot of parts in our body. Well, it’s through that the main role of amino acids is making proteins. But they do a lot more than you can think of. There are so many processes that would happen if these amino acids are absent. That’s why amino acids must be taken with levity. They are also very important for different organs in the body. And one of the organs they affect is the penis. Well, you might not know this but amino acids have effects on the male penis. And one of the problems that help tackle is erectile dysfunction (ED). That’s why we’ll be taking a look at the amino acids for ED.

Well, many people don’t know that ED is quite common. And the reason is that many men tend to keep this to themselves. Because it can be quite embarrassing to talk about. But the truth is that so many men are battling with ED. In fact, they say there are about 15-30 million men that actually have ED. And ED actually comes in different forms. For some, it could just be unsatisfactory performance. While for some it might be complete impotence. Whichever one it is the best thing is to find a solution to it. And one of the solutions that have been found as to dealing with ED is amino acids. That’s why we’ll be having a look at amino acids that can help improve ED.

What is Erectile Dysfunction?

This is when a man cannot keep an erection while having sexual intercourse. And sometimes it could be referred to as impotence. There are times that ED is occasional. And that could be a result of certain factors such as stress. While frequent ED is also common. And this is referred to as a medical condition that needs medical intervention.

Well, not all sexual problems that males have are caused by ED. There are actually other types of sexual problems such as:

  • Absent or delayed ejaculation
  • Premature ejaculation
  • Lack of interest in having sex

Certain symptoms come with ED and they are:

  • The problem of having an erection
  • Problem keeping an erection while having sexual intercourse

If you have symptoms like this or related to these then make sure you see your doctor. Especially if you’ve had this for some months. Your doctor would be able to tell if there’s an underlying condition that is causing it. And it would be treated.

Well, there are many causes of ED. And these causes range from physical to emotional disorders. Here’s a list of some of the possible causes of ED.

  • Diabetes
  • Cardiovascular disease
  • Hyperlipidemia
  • Hypertension
  • Injuries
  • Damage from surgery or cancer
  • Increased age
  • Being overweight or obesity
  • Anxiety
  • Stress
  • Drug use
  • Relationship problems
  • Alcohol use
  • Smoking

So ED can be caused by any of the following listed above. And your doctor is in the best position to diagnose the exact cause of the ED.

Amino acids for erectile dysfunction

Amino Acids for ED (Erectile Dysfunction)

3 amino acids are well-known to have an effect as to ED. And they are L-citrulline, L-arginine, and L-lysine. These three are good amino acids for dealing with ED. Let’s take a look at each of them.


This amino acid is actually produced in the body. And it is converted to l-arginine in the body. L-arginine which is another amino acid in the body is known to help improve the flow of blood. And it does this by simply creating nitric oxide. Nitric oxide is a gas that helps out with dilating blood vessels in the body. And with this effect, it helps improve the symptoms that come with erectile dysfunction.

The conversion of L-citrulline all the way to nitric oxide is what causes the improved blood flow in the male genitals. And in a study that was carried out, an increase in blood flow improves the symptoms of ED. At the same time, it also helps improve erection and also helps maintain it. All these are effects seen in people with mild ED. There have been no studies on moderate to severe ED.

Well, you can get L-citrulline from your diet. And one good source of this amino acid is watermelon. Also, nuts, legumes, and meat is a good source of this amino acid. The thing though is that many people opt for supplements that help boost L-citrulline in the body. The good thing is that you can find the supplements over the counter.


This happens to be one of the most common supplements recommended for treating ED. And there are many supplements in the market that people opt for in treating ED. This amino acid though can be found in foods such as fish, poultry and meat. At the same time, it can also be prepared synthetically in labs.

L-arginine is an amino acid that’s very important in making proteins. It also helps produce a gas known as nitric oxide. This gas helps improve erectile function by relaxing the blood vessels. By relaxing the blood vessels, it allows for better circulation of blood in the arteries. And this goes a long way in improving ED.

The thing though is that this amino acid can’t help restore complete and healthy erection. According to scientific studies it just averagely improves the symptoms. But when combined with some other doctors the results were a bit better. Just consult your doctor as to what supplement would be best to supplement with arginine.


Many people opt for this amino acid. This is one amino acid that’s very important for making proteins in the body. And it also comes with some amazing health benefits. Lately, studies have shown that not having enough of this amino acid in the body can cause ED.

L-lysine happens to be one of the essential amino acids in the body. This means that the body can’t produce it. So a deficiency in the amino acid is very possible. There is no research that proves that a deficiency in this amino acid would lead to ED. But some reports have been made that:

  • Deficiency in this amino acid can lead to impotence
  • L-lysine helps improve the volume of the penis
  • L-lysine helps out with firmer erections

Even though these seem like a big benefit for people that have ED there is no backing scientifically.

What’s Next?

Now that you know the amino acids good for ED should you go purchase them right now? Of course not. Make sure you have a chat with your doctor before you start using any of these supplements. Also, be careful of overdosing as there are side effects to it. So to avoid this make sure you also ask your doctor for the right dosage before you opt for any of these amino acids for ED.

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