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Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated. Skip to main content. Health Information Library. Uses The amino acid arginine has several roles in the body, such as assisting in wound healing , helping remove excess ammonia from the body, stimulating immune function , and promoting secretion of several hormones, including glucagon, insulin , and growth hormone.
What Are Star Ratings? This supplement has been used in connection with the following health conditions: Used for Why 2 Stars. In one study, taking arginine improved the ability of angina sufferers to exercise. Detailed studies have proven that arginine works by stimulating blood vessel dilation. The body needs arginine to make nitric oxide, which increases blood flow. It also has been shown to improve kidney function in people with CHF. Blood vessels need arginine to dilate and form an erection.
Supplementing with arginine has been shown to help men with erectile dysfunction in some studies. The amino acid arginine is needed to produce sperm. Research shows that several months of L-arginine supplementation increases sperm count, quality, and fertility. In one study in which pregnant women at an increased risk of developing preeclampsia received either arginine or a placebo, the arginine group had a significantly lower incidence of preeclampsia compared with the placebo group.
In a double-blind study, pregnant women at increased risk of developing preeclampsia received 3 grams of arginine once a day or a placebo, starting in the 20th week of gestation and continuing until delivery. People with pulmonary hypertension a life-threatening complication of sickle cell anemia who received L-arginine had significant improvement in one study.
In a preliminary study, individuals with pulmonary hypertension a life-threatening complication of sickle cell anemia received L-arginine in the amount of mg per 2. Longer-term studies are needed to confirm these preliminary results. At very high intakes, the amino acid arginine has increased growth hormone levels, which stimulate muscle growth. Trials combining weight training with arginine and ornithine showed decreases in body fat and increases in total strength and lean body mass.
Supplementing with L-arginine has been shown to improve fertility in women with a history of failed attempts at in vitro fertilization. The amino acid arginine may both protect the stomach and increase its blood flow. The amino acid arginine is needed by the body to make nitric oxide, a substance that allows blood vessels to dilate, thus reducing blood pressure. The benefits and side effects of L-arginine.
Medically reviewed by Debra Rose Wilson, Ph. What is L-arginine? 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. Exposure to air pollutants may amplify risk for depression in healthy individuals. Costs associated with obesity may account for 3. Related Coverage. No benefit of vitamin D supplementation on muscle health In a new meta-analysis of existing studies, scientists have found that taking vitamin D supplements does not improve muscle strength.
It is mostly given to people dealing with obesity to help burn the fat and enhance the formation of muscle mass. Supplementing with l-arginine allows your body to use accumulated fats as a source of energy. The accumulated fat is burnt to produce energy and to aid in muscle mass formation and development. L-arginine thus boosts your body metabolism as well as forms building blocks for muscle formation. As a result, you lose fat mass but retain your muscle mass. To test the efficacy of l-arginine on weight loss, a research study was conducted.
L-arginine supplements were given to obese males who had type 2 diabetes to see if it would help in weight loss. The study had more than subjects who were subjected to the l-arginine and placebo groups. They consumed kcal per day and exercised 90 minutes every day for five days in a week. They also took 8. The results from the day study showed that l-arginine increases weight loss. People who got l-arginine showed that percent of the weight loss was all fat compared to those on placebo who lost up to 40 percent muscle mass.
The upper recommended l-arginine amount per serving is 5 to 10 grams. You should start with a lower serving and increase the dosage as you continue to use the supplement. It stimulates more body fat burning and formation of muscle, thus making it ideal for people looking to lose weight. This supplement is highly effective in the treatment of obesity.
However, excessive use can lead to harmful side effects. Amino acids are known to aid in bodybuilding. For instance, l-arginine minimizes the action of the adipose tissue, which is the belly fat. Obesity is mainly characterized by stores of belly fat. The more a person accumulates the belly fat, the higher the risk of developing cardiovascular diseases. However, it increases HGH levels when taken in very large amounts.
Taking large amounts of the supplement is not advisable, however, because it can cause side effects such as stomach cramps and diarrhea. Additionally, l-arginine is an ingredient long used in supplement formulas. It has been used for a wide range of functions including the enhancement of sports performance and boosting cardiovascular health.
Since it is a nitrogenous acid, it stimulates the production of a nitric oxide whose making function is to dilate the blood vessels. 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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