Doctors will recommend that anyone taking nitric oxide supplements stops doing so before undergoing surgery.ĭoctors also have some concerns that taking nitric oxide supplements could make some conditions worse. Low blood pressure: If a person already has low blood pressure, they should not take nitric oxide supplements due to the risk that it might lower blood pressure further.As a result, people with this deficiency should not take nitric oxide supplements. Guanidinoacetate methyltransferase deficiency: This is a rare genetic condition where a person lacks an enzyme that converts arginine into creatine, which is a waste product.Cirrhosis: People with cirrhosis, or liver scarring, should take nitric oxide cautiously as it could worsen liver function.However, some people should not take the supplements because of the risk of potential side effects. When side effects do occur, they are often mild and may include: Share on Pinterest A person should talk to a doctor about any interactions nitric oxide supplements may have with existing medications.įor most people, taking nitric oxide supplements does not cause side effects. However, there are no studies that establish how much nitric oxide supplements people should take to achieve the same results as the study participants did. These are just some examples of more extensive studies that examined the effectiveness of nitric oxide.

Preeclampsia, which is a form of high blood pressure that can occur in pregnancy, can be dangerous for both the woman and baby.Ī 2005 study in the European Journal of Clinical Investigation found that pregnant women who took L-arginine supplements for a prolonged period had lower blood pressure readings than pregnant women who did not take L-arginine.Īlthough researchers need to conduct more studies, the results are promising for women struggling with high blood pressure in pregnancy. Reducing high blood pressure in pregnancy Reducing erectile dysfunctionīecause nitric oxide supplements enhance blood flow, researchers have conducted studies to determine if it could enhance blood flow for people with erectile dysfunction (ED).Īccording to an article in the journal Future Science OA, some studies have shown taking nitric oxide may reduce ED in those with mild to moderate ED. Researchers carried out these studies on young males, so they do not know how nitric oxide supplements may affect older people and females. The research has not shown that nitric oxide supplements can help elite athletes. However, this only applies to those who did not exercise regularly or only exercised at a moderate rate. This could potentially improve athletic performance and reduce soreness after a workout.Īccording to an article in the journal Sports Medicine, studies have shown that taking nitric oxide supplements may enhance tolerance to exercise. Researchers theorize that taking nitric oxide supplements could enhance the delivery of oxygen to muscles. Share on Pinterest A person may take nitric oxide supplements to improve athletic performance. While there are many potential uses and benefits for nitric oxide supplements, there is not a lot of research to support some of the claims. Many people think that taking nitric oxide supplements will enhance blood flow in the body to improve performance in sports, promote healing, enhance heart health, and provide many other potential benefits. Some medications, such as Viagra harness the nitric oxide pathway to promote blood vessel widening and improve blood flow to the penis to enhance erections. Some scientists believe that nitric oxide in the body relaxes or widens blood vessels. The body converts this into nitric oxide for use in various body functions. Without taking nitric oxide supplements, a person typically consumes about 5 grams (g) of L-arginine per day, according to an article in The Journal of Nutrition. Manufacturers can also make L-citrulline in a laboratory and package it as a pill or powder. L-citrulline is also an amino acid found in meat, nuts, legumes, and watermelon. Manufacturers produce it in a laboratory as a pill, powder, or cream. L-arginine is an amino acid, or a protein building block, naturally found in red meat, dairy products, poultry, and fish.

The two most common nitric oxide supplements are L-arginine and L-citrulline. Share on Pinterest Nitric oxide supplements may relax or widen blood vessels.

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