RS400® Sport Chewables
400 mg of Measured Nitrate from Red Spinach. Now in Convenient Chewables. 30 Servings!
Performance Powered by Red Spinach. Anywhere You Go.
RS400® Sport Chewables deliver naturally occurring dietary nitrate from our clinically studied red spinach extract to support nitric oxide production, healthy circulation, and athletic performance.
Each chewable provides 100 mg of measured nitrate, giving you flexibility and convenience wherever your training takes you.
No caffeine. No stimulants. No earthy beet taste.
The Superior Beet Alternative™
Vegan • Non-GMO • Third-Party Tested
Key Benefits
Measured Nitrate, Every Serving — Four chewables deliver 400 mg of naturally occurring dietary nitrate from concentrated red spinach extract.
Made for Performance — Supports nitric oxide production, healthy blood flow, endurance, and exercise performance.
Convenience Without Compromise — Portable, berry-flavored chewables. No mixing, measuring, or preparation.
Clinically Studied Red Spinach — Our red spinach extract has been evaluated in human studies at Samford University and UAB.
No Detectable Oxalates — Independent testing confirms no detectable oxalates in our finished red spinach extract.
Why Choose RS400® Sport Chewables?
Your Nitrate. Your Routine.
Whether you're training, competing, traveling, or simply staying active, RS400® Sport Chewables make it easy to support your performance wherever life takes you.
Each berry-flavored chewable delivers 100 mg of measured dietary nitrate, giving you the flexibility to choose your serving without powders, mixing, or measuring.
Pure Convenience. Measured Performance.
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FREQUENTLY ASKED QUESTIONS
RS400 is rigorously 3rd party tested for nitrate levels, pesticides, and many other chemicals, but as a single ingredient botanical food with a nutrition facts panel vs supplement panel, NSF and Informed Sport are unnecessary.
We use the HPLC-UV testing method. The nitrate is naturally occurring in the plant, and there are 400mg of naturally occurring nitrate in every serving.
Red Spinach, also known as Amaranth, is an ancient plant that science has only recently discovered for its high nitrate content and ability to boost your body's overall performance. Once primarily used in traditional diets, its performance-enhancing properties are now gaining attention in the world of sports nutrition.
RS400 delivers more than 4x times the nitrate of beets for more nitrate boost. This leads to a stronger body and enhanced exercise performance without the earthy taste or preparation of beetroot.
Red spinach powder can be mixed with smoothies, juices, or sprinkled on salads. It also blends well into soups, stews, and even baked goods for an extra nutritional boost.
Simply take one serving of RS400 daily, ideally 1-2 hours before your athletic activity.
Yes, RS400 is formulated with natural ingredients, making it safe for athletes of all types. However, if you have any specific health concerns or conditions, it’s always a good idea to consult with your healthcare provider before adding a new supplement to your routine.
Yes, RS400 is 100% plant-based, making it suitable for both vegetarians and vegans.
RS400 can be taken alongside other supplements. If you're already using nitrate-based products or have specific dietary concerns, it's best to consult your doctor or nutritionist to ensure compatibility.
Still Have Questions?
Our team is here to help! Contact us anytime for more information or to get personalized recommendations.
