One of the core ingredients in Nitric Boost Ultra is L-arginine, an amino acid known to be a direct precursor to nitric oxide. L-arginine supplementation can help elevate nitric oxide levels in the bloodstream, which promotes vasodilation and enhanced blood flow. Improved circulation not only supports physical performance but also aids in muscle recovery after exercise by delivering e... https://www.youtube.com/watch?v=HhZ2GB2tzz4