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Doctor's Best, L-Arginine, 500 mg, 120 Bilayer Tablets

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Doctor's Best, L-Arginine, 500 mg, 120 Bilayer Tablets

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Doctor's Best, L-Arginine, 500 mg, 120 Bilayer Tablets

In Stock
  • Expiration Date: September 2019
  • Shipping Weight:
    0.47 lbs
    Switch to Metric units
  • Product Code: DRB-00200
  • UPC Code: 753950002005
  • Package Quantity: 120 Bilayer Tablets
  • Dimensions:
    2.3 x 2.3 x 4.2 in, 0.4 lbs
    Switch to Metric units

Product Rank:

#11 in L Arginine >
Frequently Purchased Together
Product Overview


  • Ortho┬╣
  • Science Based Nutrition
  • Dietary Supplement
  • Sustained Plus Immediate Release
  • Promotes a Healthy Cardiovascular System
  • Enhances Healthy Circulation
  • Supports Heart Function
  • Vegan
  • Non-GMO and Gluten Free

Sustained plus Immediate Release L-Arginine contains this conditionally essential amino acid in a bilayer tablet, with two tablets providing 500 mg of sustained release and 500 mg of immediate release L-arginine in a formula that allows for enhanced blood levels of this nutrient. Most supplemental L-arginine is quickly absorbed into circulation and is extremely efficiently metabolized, yielding only a short-lived boost to L-arginine levels. Sustained plus Immediate Release L-Arginine tablets are specifically manufactured to immediately increase blood levels of L-arginine and then to sustain this beneficial increase continuously over an 8-hour period.

L-arginine has been shown to support the cardiovascular system, promote vigorous heart function and enhance healthy circulation throughout the body through its conversion to nitric oxide. Research suggests L-arginine supplementation may also have positive benefits on athletic performance.

Suggested Use

Adult Use: Take 2 tablets once or twice daily, away from food, or as directed by a nutritionally informed physician.

Other Ingredients

Celluloses, stearic acid, silicon dioxide, magnesium stearate (vegetable source), croscarmellose sodium.

Contains nothing other than listed ingredients

Supplement Facts
Serving Size: 2 tablets
Servings Per Container: 60 servings
  Amount per serving % Daily Value
L-Arginine (as 500 mg immediate release and 500 mg sustained release from L-Arginine alpha-Keto-Glutarate) 1000 mg
† Daily Value not established.
iHerb Customer Reviews

Causing shingles

Posted by iHerb Customer on March 16 2018 | Verified Purchase

Be careful this product causing shingles.I used this product for 3 weeks twice a day. I developed a red rash on my back. When my doctor checked it he said that I have shingles and it was triggered by l-arginine pills. Usually only old people have shingles and I'm 30 years old healthy guy, I took L-arginine to improve my everyday workout.And now I'm sick because of this product.

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Posted by iHerb Customer on December 15 2017 | Verified Purchase

good,fast dilivery

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Good product

Posted by iHerb Customer on November 3 2017 | Verified Purchase

Recommendation for sexy and mental health

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Very Good

Posted by iHerb Customer on August 19 2017 | Verified Purchase

Capsules were a little on the large size but are very effective

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it works extremly well

Posted by iHerb Customer on June 17 2017 | Verified Purchase

my blood pressure went down and I stopped taking the medication the doctor prescribed for me as it was giving me many side effects.

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