Hard Iron Labs
Hard Iron Labs Nitric Oxide Booster With L-Arginine And L-Citrulline Pre-Workout Supplement For Muscle Growth And Energy - 60 Capsules
Hard Iron Labs Nitric Oxide Booster With L-Arginine And L-Citrulline Pre-Workout Supplement For Muscle Growth And Energy - 60 Capsules
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Product features
Product features
Materials and care
Materials and care
Niacin, Calcium (as Calcium Carbonate), L-Arginine, L-Arginine AKG 2:1 Extract, L-Citrulline, L-Citrulline Malate Extract, Beta Alanine, Cellulose (Vegetable Capsule), Magnesium Stearate (vegetable), Silicon Dioxide.
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- Directly Sourced From USA
- Premium Quality & Authenticity
- 7 Day Easy Return

Product Description
Shop authentic Hard Iron Labs products — imported from the USA. Browse more vitamins & supplements at Rudra Retails.
FAQ
Q1. What is a nitric oxide booster with L-arginine and L-citrulline?
Ans: A nitric oxide booster is a supplement that helps increase the production of nitric oxide in the body. L-Arginine and L-Citrulline act as building blocks that help widen blood vessels, allowing for better blood flow and oxygen delivery to muscles.
Q2. Is a nitric oxide booster good for pre-workout?
Ans: Yes, it is commonly used as a pre-workout supplement. By improving blood flow and nutrient delivery, it helps athletes achieve better pumps, increased energy, and enhanced endurance during exercise.
Q3. What happens when you take L-arginine and L-citrulline?
Ans: These amino acids work together to support nitric oxide synthesis. This helps improve vascularity and stamina, which can lead to more effective workouts and potentially better muscle recovery.
Q4. Are these supplements authentic and imported from the USA?
Ans: Yes, all products available at Rudra Retails are authentic and sourced directly from the USA to ensure quality and compliance with international standards.
Q5. Is this supplement vegan-friendly?
Ans: Yes, this formula is entirely vegan-friendly, gluten-free, and non-GMO, making it suitable for a variety of dietary preferences.