Benefits of L-arginine Side effects of L-arginine Natural ways to get enough L-arginine We include products we think are useful for our readers. L-arginine is one of many amino acids the body needs to function properly. Share on Pinterest L-arginine is found in eggs, fish, and red meat. Benefits of L-arginine. Side effects of L-arginine.
Share on Pinterest For certain groups of people there may be some risks involved in taking L-arginine as a supplement. Natural ways to get enough L-arginine. Share on Pinterest Plant based proteins such as chickpeas are a good source of L-arginine. Latest news Scientists identify new cause of vascular injury in type 2 diabetes.
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What to know about fish oil benefits for bodybuilding. Medically reviewed by Grant Tinsley, PhD. What bodybuilding supplements may help with muscle growth? Some people use L-arginine to boost the immune system , improve athletic performance, shorten recovery time after surgery, and promote weight loss. L-arginine is also used for bodybuilding. There's also some evidence that L-arginine may help with interstitial cystitis and preeclampsia.
At this point, there are few clinical trials testing the potential benefits of L-arginine. Here's a look at a few findings from the available research:. Some research has examined whether L-arginine supplements may benefit men with erectile dysfunction , also known as ED.
L-arginine is thought to enhance nitric oxide and—in turn—relax the muscles surrounding blood vessels supplying the penis. As a result, blood vessels in the penis dilate, increasing blood flow, which may help maintain an erection.
In a study published in the journal Andrology , for instance, levels of L-arginine and L-citrulline another amino acid were measured in people with erectile dysfunction. Researchers found that levels of both amino acids were lower in men with erectile dysfunction than in those without ED.
Early proponents suggested that L-arginine could protect the heart and benefit people with heart disease, however, a study published in the Journal of the American Medical Association in found that arginine didn't improve blood vessel stiffness or heart function in people 60 years or older who took arginine in combination with standard treatment after a heart attack.
What's more, the researchers found that "arginine may be associated with higher postinfarction mortality. Further research published in suggests that arginine supplementation could raise the risk of heart disease.
Until we know more, L-arginine supplements cannot be recommended as a treatment for heart disease. Taking L-arginine in combination with an omega-3 fatty acid and nucleotides have been explored to reduce recovery time, protect against infection, and promote wound healing after surgery.
L-arginine can cause a number of side effects including indigestion, nausea, headache, bloating, diarrhea, gout, blood abnormalities, allergies, airway inflammation, worsening of asthma symptoms, decreased insulin sensitivity , and low blood pressure. Higher doses of L-arginine can increase stomach acid, so it may also worsen heartburn, ulcers, or digestive upset caused by medications.
In addition, L-arginine may aggravate symptoms in people with herpes. L-arginine may interact with certain medications, such as blood pressure medication, diabetes medication, or drugs used to treat erectile dysfunction. If you have diabetes or heart disease, avoid taking L-arginine. Some studies have found that chronic L-arginine supplementation may decrease insulin sensitivity, while others have found no effect or increased insulin sensitivity.
As with many other supplements, L-arginine hasn't been tested for safety in pregnant women, nursing mothers, children, and those with medical conditions or who are taking medications. Because L-arginine acts as a vasodilator, opening dilating blood vessels, many people take oral L-arginine to treat heart conditions and erectile dysfunction. L-arginine is considered to be generally safe. It might be effective at lowering blood pressure, reducing the symptoms of angina and PAD , and treating erectile dysfunction due to a physical cause.
L-arginine isn't recommended for people who have had a recent heart attack due to concerns that the supplement might increase the risk of death. L-arginine can worsen allergies or asthma. Use the supplement with caution if you have these conditions. Be careful about taking L-arginine if you've had cold sores or genital herpes. Too much L-arginine in your system can potentially trigger the virus that causes those conditions.
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Error Email field is required. It also becomes the gas nitric oxide NO in the body. NO is important for erectile function because it helps blood vessels relax, so more oxygen-rich blood can circulate through your arteries. Healthy blood flow to the arteries of the penis is essential for normal erectile function. L-arginine has been studied extensively as a possible treatment for ED and many other conditions. However, L-arginine is often combined with other supplements, which have different results.
Yohimbine hydrochloride, also known as yohimbine, is an approved treatment for ED. A study of the combination of L-arginine and yohimbine hydrochloride found the treatment shows some promise. However, the study showed that the treatment is meant only for mild to moderate ED. While L-arginine alone may not treat your ED, the combination of L-arginine and an herbal supplement called Pycnogenol may help. A study in the Journal of Sex and Marital Therapy found that L-arginine and Pycnogenol supplements helped a significant number of men ages 25 to 45 with ED achieve normal erections.
Pycnogenol is a trademark name for a supplement taken from the pine bark of a tree called the Pinus pinaster. Other ingredients may include extracts from peanut skin, grape seed , and witch hazel bark. L-arginine may cause your blood pressure to drop, so if you have low blood pressure or take medications to control your blood pressure, you should avoid L-arginine or consult a doctor before trying it.
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