NOW Arginine & Citrulline delivers two key amino acids that support protein metabolism and help maintain muscle tissue. This targeted combination works through your body's natural urea cycle while supporting protein synthesis processes.
Why It Works
DUAL AMINO SUPPORT: Combines 1,000mg L-arginine with 500mg L-citrulline for comprehensive protein metabolism support.
FREE-FORM DELIVERY: Both amino acids provided in their most bioavailable free-form state for optimal absorption.
METABOLIC FUNCTION: Key intermediates in the urea cycle that participate in ammonia processing and protein utilization.
What's Inside
Clean vegetarian capsule formula free from sugar, salt, wheat, gluten, corn, soy, milk, egg, shellfish and preservatives. Each serving delivers pharmaceutical-grade amino acids in their pure free-form state.
Why we carry it: NOW's 50+ years of amino acid expertise ensures consistent potency and purity that serious customers demand.
Supplement Facts
Servings Size: 1 Capsule
Servings Per Container: 60
Amount per Serving
% Daily Value
L-Arginine (Free-Form)
1.0 g (1,000 mg)*
L-Citrulline (Free-Form)
500 mg*
* Percent Daily Values are based on 2,000 calorie diet.
Daily Value not established.
Other Ingredients: Gelatin (capsule), Silica, Cellulose, Stearic Acid (vegetable source) and Magnesium Stearate (vegetable source).
Take 2 capsules 1 to 3 times daily as needed, preferably with juice or water on an empty stomach, before exercise or at bedtime. Warning: This supplement should be avoided by persons with glaucoma or herpes simplex unless otherwise prescribed by a physician. Do not use if you have had a myocardial infarction or have established coronary artery disease.
