Check the listing for details. VITA SPINACH Red Spinach Extract. Condition: New. Listed at 34.95 USD. VITA SPINACH Powder - Red Spinach Extract - 9% Nitrate HPLC Tested - 2600mg/Serving - Nitric Oxide Booster - Pre-Workout Superfoods Powder for Increased Energy and Endurance. No Oxalates. Circulation Superfood. 30-Day Unconditional Money Back Guarantee! 500% more concentrated naturally occurring nitrates than beet juiceRed spinach extract provides vitamins, minerals and antioxidants for clean, lasting energy without caffeine or sugar9% dietary nitrate per serving enhances blood flow and oxygen supply for improved vitality and wellness2600mg nitric oxide per serving boosts endurance and decreases muscle soreness before workoutsVegan, non-GMO, gluten-free powder has no artificial flavors or preservativesMade in the USA following strict FDA guidelines and 3rd party tested for guaranteed quality