Swanson Premium

Super Strength L-Arginine

Swanson $5.49

Item #: SW1293
Availability: In Stock
900 mg 90 Caps
Caps size = OO*, Pill Size Guide

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  • Super Strength L-Arginine

  • Aids in promoting blood flow

  • 900 mg L-Arginine in each capsule
Swanson Super-Strength L-Arginine is an antioxidant amino acid that helps encourage the production of nitric oxide, a compound that helps keep blood vessels dilated to promote blood flow.

Choose capsules or our easy-mixing Arginine AKG Powder.

Supplement Facts

Serving Size 1 Capsule

  Amount Per Serving % Daily Value
L-Arginine 900 mg *

*Daily Value not established.

Other ingredients: Gelatin, microcrystalline cellulose (plant fiber), magnesium stearate, silica.

Suggested Use: As a dietary supplement, take one capsule one to two times per day with water.

WARNING: Not intended for use by children or pregnant or nursing women. Consult your healthcare provider before use if you have renal or liver disease. Reduce dosage if you experience nausea, abdominal cramps or diarrhea.

Terms and Ingredient Definitions

Summary of Customer Ratings & Reviews

Customer Ratings & Reviews

Super Strength L-Arginine 4.3 5 18 25
Waiting on results I have not been taking this long enough to feel any difference. I will continue to use it and see if once it builds up in my system, if I notice a difference. March 30, 2012
Seems very potent, great price I have been using this for several months. I had switched from another company. Swanson brand seems as good or better than what I had been using but at a much lower price. I'm pleased with quality and price. March 23, 2012
Great bang for your buck, get your blood pumping This product gives a great kick for a gym workout. I take up to 3000 Mg of L-Arginine before my training usually and this product at 900 mg per cap, I only need two! Impressive quality! March 15, 2012
Great price, but... Great price and quality, but need a timed-release formula to replace Mercola's product which has disappeared from the scene. February 27, 2012
On the Must have List I am highly pleased with this suppliment, and it does deliver as advertised or suggested by the professiionals January 5, 2012
Really Works I'm 52 and work a very physical job. I take 2 pills a day and they give me a boost and more stamina. They also have great side effects in the bedroom. I can tell when I don't take them in both respects. Make sure you drink water and eat with these. The price and quality are also the best I have found anywhere. And I have looked. January 2, 2012
Did help somewhat This did help somewhat however, my muscles started to cramp and I stopped taking it. June 19, 2011
helps burn fat yes, it does help burn fat , you should see a difference in couple of weeks. Eat with some food, but don't take with other suppliments. April 3, 2011
Good workout enhancer This product works. Increases vascularization economically. I am able to work out longer and harder. April 1, 2011
excellent product Does exactly what it says and more.... February 20, 2011
so far so good musles seem to recoup after hard work and long days. August 21, 2010
One of the best I weight train 6 days a week and have used many different Arginine products. This one is just as good as the more expensive Arginine products. I take 4 casules before I workout and I get GREAT vascularity throughout my body. I can definitely tell when I haven't been taking Arginine. I haven't experienced any side effects at all. August 9, 2010
Undesirable side effect Was taking this for strength training. Unfortunately, the predominant effect of this supplement for me was an insatiable libido. Might be a plus for some but not for me. July 7, 2010
I would recomend this to everyone to use everyday three times a day it increases energy, health, libido, over all well being June 26, 2010
Strong This was too strong for me and I had more negative effects than positive ones so I will look at going for a lower dose. June 22, 2010
Good supplement I have taken L-Arginine made by many other manufacturers and this brand of L-Arginine is as good as it gets (as far as being a single ingredient). The only drawback is the small bottle size. Swanson used to sell this product in 180 capsule bottles which was far more convenient. Overall this is a great product. May 10, 2010
Great Supplement I cannot live without this amino acid. It should be taken with coq10 or lipoic acid. May 10, 2010
L Arginine this product is one part of a combination of supplements that bodybuilders use in order to increase circulation during a workout. It was entirely ineffective and I wish I could send it back. I will not purchase again March 31, 2010
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