High Nitrate • Third-Party Tested • No Detectable Oxalates*

[VitaSpinach®](/content/products/red-spinach-extract "VitaSpinach®"/index.html)
$39.95
Daily healthy heart and nitric oxide support. 235 mg natural nitrate. 30 servings.
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[RS400®](/content/products/rs400 "RS400®"/index.html)
$59.95
For Athletes. 400mg natural nitrate. 30 total servings. Clean plant-based ingredient.
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[RS400® Sport Chewables](/content/products/rs400%C2%AE-chewables "RS400® Sport Chewables"/index.html)
$59.95
Chewables for Athletes on-the-go. 400mg nitrate. 30 servings. Berry flavor.
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Support Your Vitality

Plant-based nitrate supporting your body's natural nitric oxide production and healthy circulation.
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Compare our products

VitaSpinach® Daily 235 mg measured nitrate per serving for daily living.
RS400® Sport 400 mg measured nitrate per serving for athletic stamina.
RS400® Sport Chewables 400 mg measured nitrate per serving on-the-go.
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Clinically Studied. Trusted by Professionals.

Our red spinach extract has been studied at two U.S. universities and trusted by professional and collegiate sports programs.

Pioneering functional food

NutriGardens has been pioneering plant-based nitrate nutrition since 2012. From beet juice beginnings to the breakthrough of red spinach, our mission remains the same: clean, functional food that works.