RS400®

RS400® is concentrated red spinach extract with 400 mg of measured dietary nitrate per serving and no detectable oxalates.

Designed for athletes and active people, RS400® provides a standardized plant-based nitrate dose to support the body’s natural nitric oxide pathway, circulation, and exercise performance — without caffeine, added sugar, or stimulants.

• Clinically Studied: The red spinach extract used in RS400® has been studied at both Samford University and the University of Alabama at Birmingham.
• 400 mg Measured Dietary Nitrate: Each serving provides 400 mg of dietary nitrate, with 30 servings per jar.
• Supports the Nitric Oxide Pathway: Dietary nitrate supports the body’s natural production of nitric oxide, an important molecule involved in blood flow and exercise performance.
• Built for Training: Use RS400® as part of your pre-training or competition nutrition routine.
• One Simple Ingredient: Made with pure red spinach extract, with no added flavors, sweeteners, preservatives, or stimulants.
• No Detectable Oxalates: Finished RS400® red spinach extract is tested with no detectable oxalates.
• Easy to Use: Mix with water or your preferred beverage approximately 1–2 hours before training or competition.