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Doctor's Best, Pure L-Arginine Powder, 10.6 oz (300 g)

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Doctor's Best, Pure L-Arginine Powder, 10.6 oz (300 g)

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Doctor's Best, Pure L-Arginine Powder, 10.6 oz (300 g)

In Stock
  • Expiration Date: July 2020
  • Shipping Weight:
    0.43 kg
    Switch to Imperial units
  • Product Code: DRB-00374
  • UPC Code: 753950003743
  • Package Quantity: 10.6 oz
  • Dimensions:
    9.1 x 9.1 x 11.4 cm , 0.36 kg
    Switch to Imperial units

Product Rank:

#12 in L-Arginine >
Frequently Purchased Together
Product Overview


  • Science-Based Nutrition
  • Helps Boost Nitric Oxide (NO) Levels to Support Overall Cardiovascular Health
  • Dietary Supplement
  • Vegan
  • Non-GMO - Gluten Free - Soy Free

Doctor's Best L-Arginine supplies an amino acid vital in the synthesis of nitric oxide, which is an essential compound that helps blood circulation. Arginine-derived nitric oxide benefits wound heling and overall circulation, and has been shown to help increase mental acuity, immune function, and memory.

Research suggest that L-Arginine supplementation helps increase muscle mass and may also positively be beneficial in improving endurance as it is a precursor to creatine, which helps supply energy to all cells of the body.

  • Helps boost nitric oxide (NO) levels to support overall cardiovascular health.
  • Helps support immune system.
  • Helps support athletic endurance.
  • Helps support recovery from athletic performance.

Suggested Use

Suggested Adult Use: Mix 1 level scoop in 8 oz. juice or beverage of your choice daily, or as recommended by a nutritionally-informed physician.

Other Ingredients



Not intended for individuals under the age of 18. Consult your physician if pregnant, nursing, have a medical condition, taking nitrates, warfarin, sildenafil (Viagra), medications for hypertension, diabetes, or other supplement that may lower blood pressure while taking in concomitant with this product. Keep out of reach of children.

Store in a cool dry place.


While iHerb strives to ensure the accuracy of its product images and information, some manufacturing changes to packaging and/or ingredients may be pending update on our site. Although items may occasionally ship with alternate packaging, freshness is always guaranteed. We recommend that you read labels, warnings and directions of all products before use and not rely solely on the information provided by iHerb.
Supplement Facts
Serving Size: 1 scoop (6 grams)
Servings Per Container: 50
  Amount Per Serving %Daily Value
L-Arginine HCl 6 g
†Daily Value not established.