NOW Sports Arginine & Ornithine 500/250 mg Amino Acid Capsules, Nitric Oxide & Protein Metabolism Support, 250 Veg Capsules

NOW Sports Arginine & Ornithine 500 mg / 250 mg is a dual amino acid supplement designed for athletes, fitness-focused adults, and active individuals who want convenient amino acid support in capsule form. This formula combines L-Arginine and L-Ornithine, two complementary amino acids involved in protein metabolism, nitrogen balance, and normal urea cycle function. Arginine also serves as a nitric oxide precursor, supporting sports nutrition routines where healthy circulation and exercise support are important. Each serving of 2 veg capsules provides 1,000 mg L-Arginine and 500 mg L-Ornithine, while the front label highlights 500 mg / 250 mg per capsule. This product is Non-GMO, vegan/vegetarian, made without gluten, and Informed Sport certified for athlete confidence. With 250 veg capsules per bottle, it is a practical option for daily training routines, active lifestyles, and amino acid supplementation.

Key Benefits

• Supports protein metabolism and amino acid nutrition.
• Designed to support normal urea metabolism and nitrogen balance.
• Provides L-Arginine, a nitric oxide precursor for sports nutrition support.
• Combines two complementary amino acids in one convenient formula.
• Suitable for athletes and active adults.
• Informed Sport certified and steroid tested for trusted athletic use.

Product Details

Featured Ingredients

• L-Arginine: A conditionally essential amino acid involved in protein metabolism and normal nitrogen balance. It also acts as a nitric oxide precursor.
• L-Ornithine: A complementary amino acid synthesized from arginine and associated with the urea cycle and amino acid metabolism.
• Vegetarian Capsule: Made with hypromellose, a cellulose-based capsule suitable for vegan and vegetarian routines.

How to Use

Take 2 capsules daily as needed, preferably with juice or water on an empty stomach, before exercise or at bedtime. Store in a cool, dry, dark place after opening.

For adults only. Do not use if you have a history of myocardial infarction or established coronary artery disease. Consult a healthcare professional if pregnant, nursing, taking medication, or managing a medical condition, including herpes and/or glaucoma. Keep out of reach of children.

Best Time to Take

Best taken as directed on the product label, preferably with juice or water on an empty stomach. It may be used before exercise or at bedtime, based on your routine and professional guidance.

Best For

• Athletes looking for amino acid support.
• Adults seeking protein metabolism support.
• Fitness-focused users wanting nitric oxide precursor support.
• Active individuals looking for convenient capsule-based supplementation.
• Vegan and vegetarian shoppers seeking sports nutrition capsules.