L-Arginine Supplement - Strengthens Muscles and Supports Blood Flow, Circulation, Nutrient Delivery and Pumping Function: Promotes muscle growth, enhances energy Ingredients: Arginine Directions: Take two (2) gummies once daily Shipping: Ships within 48 hours on weekdays Shelf life: 2 years Boosts Circulation: L-Arginine is a powerful amino acid that boosts blood circulation, helping deliver essential nutrients and oxygen to your muscles for improved athletic performance. Supports healthier circulation, endurance and energy. Not only is arginine known for boosting blood flow and muscle growth, it’s also a popular supplement for supporting energy production, endurance and vascular function, making it an ideal addition for men and women of all activity levels.