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  • Black Rule One Citrulline container front view with pump and performance support 3g L-Citrulline
  • Black Rule One Citrulline container front view with pump and performance support 3g L-Citrulline

Citrulline

Foundational Pump Support^
$19.99
$19.99 $19.99
Enhance your training potential with Citrulline. This amino acid contributes nitric oxide (NO) synthesis. In the body, NO acts as a vasodilator, which improves oxygen and nutrient delivery. Citrulline also acts as an intermediate in metabolic processes that may help delay muscle fatigue during high-intensity resistance exercise. Made without added flavors, sweeteners, colors, or fillers, each scoop mixes easily into your favorite sports beverages or workout supplements.^
Flavor Unflavored
Size
WHEN & HOW TO USE IT
Before/During Workouts
Mix one scoop of Citrulline into protein shakes, sports drinks, smoothies, or your favorite beverages. Use before or during workouts, or between meals on non-training days. Combine with a balanced diet and exercise.


Informed Choice® Certified.
Regularly tested for banned substances by the world class sports anti-doping lab, LGC.



^ 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.

 

Product appearance & nutrition facts may vary slightly depending on packaging.

Warnings
SELECT FLAVOR

Essential Series


Built for flexibility, the Rule 1 Essential Series makes it easy to customize any supplement routine. Use each formula on its own or stack with favorite protein shakes and workout supplements. Simple, straightforward nutrition made with premium ingredients that work as hard as you do.

QUALITY IS RULE 1. SUPERIOR VALUE IS RESULT

As one of few brands who actually makes the advanced formulas we bring to market, Rule 1 Proteins is in a unique position to maintain complete control through every step in the process.

QUALITY IS RULE 1. SUPERIOR VALUE IS RESULT