Promotes Nitric Oxide!
Supports Vascular Blood Flow And Cardiovascular Health!
9.3 out of 10 (23 Reviews)
2 Sizes
750mg/180 Capsules
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Product Overview

Now Bottle


  • Cardiovascular Health*
  • Promotes Nitric Oxide Production*
  • Pharmaceutical Grade (USP)

Healthy Protein Balance

Non-GMO & Gluten Free

Available In Capsules

Citrulline is a non-essential amino acid that is an important intermediate in the urea cycle, functioning along with Arginine and Ornithine to rid the body of ammonia, a byproduct of protein metabolism. Because Citrulline is a precursor of Arginine, it provides a readily available source material for Arginine production, which in turn, can be used for the production of Nitric Oxide (NO).* NO plays a fundamental role in vascular function and blood flow. Citrulline therefore, not only supports detoxification pathways, but also supports NO production and a healthy cardiovascular system.*

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Supports Endurance and Recovery*

Ratings & Reviews

Overall Rating
23 Ratings
Verified Buyer Rating
14 Ratings
By clicking the button above, you agree to entering the Bodybuilding.com Reviews section. Products in the Store are not intended to diagnose, treat, cure, or prevent any disease.
Verified Buyer

Great product you can see the result really fast

Verified Buyer

I like this product due to its overall health benefits. Stronger blood circulation, decrease in rest periods between sets, and less DOMS off the top of my head. Achieved with only one ingredient at a fairly decent price and easy to take.

Verified Buyer

This is absolute awesome stuff but would recommend to take with N.O. Explode Version 3.0.....it makes me go crazy at the gym!!!

Verified Buyer

Pre-work necessity. Noticeable effects on daily routine. Really works.

Verified Buyer
No written review.
† This price is the retail price for this product found at one or more retail websites in the last 30 days. The price may not include shipping cost, tax, sale or promotional prices, or discounts such as member pricing. Prices may change. Bodybuilding.com verifies this price every 30 days.
750mg/180 Capsules
750mg/180 Capsules
90 Servings | $0.29 Per Serving
750mg/90 Capsules
750mg/90 Capsules
45 Servings | $0.34 Per Serving

What's in NOW L-Citrulline

750mg/180 Capsules
Serving Size 2 Capsules
Servings Per Container45
Amount Per Serving
L-Citrulline 1.5 g *
* Daily Value not established
Other Ingredients:
Gelatin (Capsule), Calcium Carbonate, Magnesium Oxide, and Magnesium Stearate (Vegetable Source)
Contains no sugar, salt, yeast, wheat, gluten, soy, milk, egg, shellfish or preservatives.

Directions For L-Citrulline: As a dietary supplement, take 1 to 2 capsules 1 to 2 times daily between meals. Consider taking this product in combination with NOW® L-Arginine, P-5-P and AAKG.

* These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
Learn more about Citrulline.