Although there are many claims about the benefits of L-Arginine, not all of them are supported by scientific research studies. Additionally, L-arginine may have the potential to help with many other issues. There are several additional areas that researchers are interested in exploring regarding L-arginine and its effects on the human body. It is essential for anyone interested in taking L-arginine as a supplement to talk to their doctor about the potential benefits and risks before starting to use it.
Also, people should fully understand and examine the claims a manufacturer is making about their product before using it. L-arginine has some potential side effects to be aware of when taking it as a supplement.
Some of the more common and benign side effects include:. Although there are risks associated with L-arginine, most research indicates it is safe for people to take in small doses. The U. Food and Drug Administration FDA do not monitor the safety or effectiveness of supplements, so it is important to choose a reputable brand.
Supplements are available to purchase online , but as with any supplement or medication, a person should consult a doctor or dietician before taking L-arginine, as the risks may outweigh the potential benefits.
A major benefit of obtaining L-arginine through diet is that it is difficult to get too much. Therefore, some of the side effects of consuming too much L-arginine can be avoided. A person should discuss their options with their doctor prior to changing their diet.
For relieving chest pain caused by clogged arteries, 9 g to 28 g of arginine is taken in equal increments three or four times daily. Men suffering from erectile dysfunction may benefit from 5 g of L-arginine per day.
Volek mentions 6 g per day as an effective dosage for improving physical performance. Arginine supplementation may cause adverse reactions in some people, such as those with herpes, young children, patients with low blood pressure, or individuals about to have surgery. Common side effects of arginine supplements include stomach discomfort, diarrhea, worsening of asthma and low blood pressure.
MedlinePlus notes that L-arginine supplements are generally safe for most people when consumed as directed by a doctor and according to the proper dosage recommendations. Nutrition Nutrition Basics Vitamins and Supplements. By Joseph Eitel. Research shows that L-citrulline supplements can raise body levels of L-arginine. In fact, some studies show that L-citrulline is more effective at increasing arginine levels than L-arginine supplements 29 , 30 , 31 , 32 , Research has likewise shown that L-citrulline supplements may offer benefits similar to those of L-arginine supplements.
For example, similarly to L-arginine, L-citrulline has been shown to help reduce blood pressure and improve erectile dysfunction in some studies 34 , Additionally, studies show that when L-citrulline used on its own or in combination with L-arginine, it may improve athletic performance and enhance muscle recovery in athletes 33 , 36 , 37 , Furthermore, some of these studies found that citrulline supplements may be more effective than L-arginine supplements at enhancing athletic performance 39 , Therefore, athletes may benefit more from L-citrulline or a combination of L-arginine and L-citrulline over L-arginine alone.
If you have erectile dysfunction, you may be interested in herbal supplements such as L-arginine. Learn the facts about this supplement. Your body can also make arginine in addition to getting it from food sources, so deficiencies are rare.
However, a person can become deficient in…. For mild cases of erectile dysfunction ED , the amino acid supplement L-citrulline may be a possible treatment. L-arginine and nitric oxide may be linked to bipolar disorder, but research about this topic is limited.
Nitric oxide is a molecule produced in your body that may offer various health benefits — from improved exercise performance to better brain function…. Maintaining optimal levels of nitric oxide in your body is essential for your overall health. This article reviews the top 5 ways to increase your….
Citrulline is an amino acid that's becoming popular as a supplement for health and exercise performance. This article reviews the potential benefits. Though all 20 amino acids are vital for your health, only nine are classified as essential. Here are important facts about these essential amino acids,. Preeclampsia is when you have high blood pressure and protein in your urine during pregnancy or after delivery.
It can be very dangerous for you and…. Health Conditions Discover Plan Connect. Warwick, R. Benefits and uses. Side effects and precautions. In a double-blind trial, taking mg of cysteine four times daily provided significant benefit for people with bleeding gastritis caused by NSAIDs such as aspirin.
Cysteine is a sulfur-containing amino acid that stimulates healing of gastritis. In a preliminary trial, 1—4 grams per day of NAC N-acetyl cysteine given to people with atrophic gastritis for four weeks appeared to increase healing. Glutamine , another amino acid is a main energy source for cells in the stomach and supplementation may increase blood flow to this region. Patients in surgical intensive care units often develop gastrointestinal problems related to a glutamine deficiency.
When burn victims were supplemented with glutamine, they did not develop stress ulcers, even after several operations. Nevertheless, it remains unclear to what extent glutamine supplementation might prevent or help existing gastritis. Preliminary evidence suggests the amino acid arginine may both protect the stomach and increase its blood flow, but research has yet to investigate the effects of arginine supplementation in people with gastritis.
The amino acid arginine is needed by the body to make nitric oxide, a substance that allows blood vessels to dilate, thus leading to reduced blood pressure. Intravenous administration of arginine has reduced blood pressure in humans in some reports. In one controlled trial, people not responding to conventional medication for their hypertension were found to respond to a combination of conventional medication and oral arginine 2 grams taken three times per day.
Arginine supplementation increases protein synthesis and improves wound healing in animals. Two controlled trials have shown increased tissue synthesis in surgical wounds in people given 17—25 grams of oral arginine per day.
Most people do not need to take extra arginine. While some people with serious infections , burns , or other trauma should take arginine, appropriate amounts must be determined by a doctor. Levels used in research vary considerably 2—30 grams per day.
Most research on cardiovascular disease has used between 6 and 20 grams per day. Optimal intakes remain unknown and are likely to vary depending upon the individual. Dairy, meat and poultry, and fish are good sources of arginine. Nuts and chocolate also contain significant amounts of this amino acid. Normally, the body makes enough arginine, even when it is lacking in the diet. However, during times of unusual stress including infection , burns , and injury , the body may not be able to keep up with increased requirements.
Arginine works with ornithine in the synthesis of growth hormone. For most people, arginine has so far appeared to be free of obvious side effects.
However, longer-term studies are needed to confirm its safety. In a double-blind study, supplementation with 9 grams of arginine per day for six months, beginning within 3 to 21 days after a heart attack , resulted in an increase in the mortality rate. Arginine is beneficial for other manifestations of heart disease, such as heart failure and angina. However, because of the potential for arginine to cause adverse effects in heart patients, people with heart disease should consult a doctor before taking arginine.
There have been two case reports of severe allergic reactions following intravenous administration of L-arginine; 2 however, allergic reactions have not been reported after oral administration. People with kidney or liver disease should consult their doctor before supplementing with arginine. Some doctors believe that people with herpes either cold sores or genital herpes should not take arginine supplements, because of the possibility that arginine might stimulate replication of the virus.
Administration of large amounts of arginine to animals has been found both to promote 3 and to interfere with cancer growth. JAMA ; Case report of an anaphylactoid reaction to arginine.
0コメント