Hard Iron Labs N.O. Nitric Oxide Booster with L-Arginine
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L-Arginine Nutritional Supplements
Experiential insights by users
About Hard Iron Labs N.O. Nitric Oxide Booster with L-Arginine
Overall Feedback:
87% positive
93% praised its improved blood flow
After taking the supplement, I felt warmer and had pin pricks for a few minutes, which I attributed to the supplement relaxing my blood vessels and improving circulation.
After taking the supplement, I have been having better numbers and no longer feel like I might bottom out when doing some cardio-based work.
After taking the supplement, my blood pressure dropped to pre-hypertension level within the first hour and it was the lowest it has been in decades.
88% found it gentle on the stomach
The product provides muscle support and vascularity without any strange side effects.
