SKU: 37450590449

NOW Foods L-Arginine 500mg 250 Capsules

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Description

NOW Foods L-Arginine 500mg 250 CapsulesNOW Foods L Arginine 500mg 250 Capsules Description L Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as in DNA synthesis and protein production. It is an important precursor of Nitric Oxide (NO) and thus plays a role in the dilation of blood vessels. NOW natural and organic Supplements are an effective way to ensure you and your loved ones are getting essential vitamins, minerals and

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NOW Foods L-Arginine 500mg 250 Capsules
Description
L-Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as in DNA synthesis and protein production. It is an important precursor of Nitric Oxide (NO) and thus plays a role in the dilation of blood vessels. NOW® natural and organic Supplements are an effective way to ensure you and your loved ones are getting essential vitamins, minerals and nutrients for daily optimal health. Since 1968, NOW has been making top quality products that are tested to the highest standards to empower people to lead healthier lives. Now's promise - what is on the label, is precisely what is in the bottle. 
 
Recommended Dosage: Adult Dosage: Take 2 capsules 1-3 times daily as required, between meals
or at bedtime with a carbohydrate drink to facilitate absorption. Do
not use beyond 8 weeks.

Caution: Consult a health care practitioner prior to use if you have human herpes virus, sickle cell anemia, or are taking antihypertensives, cyclosporine, estrogens, birth control medications, medroxyprogesterone, norethindrone, nitrates, potassium-increasing drugs, sildenafil, xylitol, and/or aminophyllins. Do not use if you have had a myocardial infarction (heart attack), or if you have gout, decreased platelet count, elevated blood-urea-nitrogen, serum creatine and creatinine, delayed menses, asthma, or are pregnant or breastfeeding.



Highlights


Natural


Kosher


Non-GMO




  • Supports protein and creatine synthesis, nitric oxide production
  • Helps the detoxification of ammonia in the body
  • Conditionally Essential Amino Acid
  • Free Form


Each capsule contains: L-Arginine 500 mg


Non-Medicinal Ingredients: Veg Capsule (hypromellose, water), Stearic Acid (vegetable source), Silica.

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SKU: 37450590449

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★★★★★ 5
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Reviewed in the United States on June 3, 2025
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Dawn
Pawtucket, US
★★★★★ 4
Quality shades
Color: Blue Tortoise Dark Grey/Dark Grey, Size: 54/17/145
I need Rx in my shades for reading. I bought these thinking I can get away with wearing regular sunglasses but not a great idea on my part. Little too foggy. I do love them nevertheless and will gift them. They are sturdy and well-made.
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Mayra Rubio
Lake Worth, US
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Mel
West Palm Beach, US
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Fancy sunglasses
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I love sunglasses and this ones are so pretty. They have this blue-brown combination that it’s just perfect. They are not too big and not too small. I love them!
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Reviewed in the United States on January 23, 2026

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