Doctor's Best, Fast Acting Arginine Complex with Nitrosigine, 750 mg, 60 Tablets

Science-Based Nutrition™ Helps Boost Nitric Oxide (NO) Levels to Support Overall Cardiovascular HealthDietary SupplementVegan Non-GMO/Gluten Free/Soy Free Doctor's Best Fast Acting Arginine Complex with Nitrosigine®? uses a patented bonded form of arginine silicate, clinically shown to significantly boost nitric oxide (NO) levels. NO is a key factor in increasing blood flow to working muscles. Engineered to take effect within 15 minutes, it delivers benefits through your entire workout for up to 6 hours - with a single dose Continued use builds NO levels, which can boost flow and vessel flexibility. Helps support arginine and silicon levels.Helps boost nitric oxide (NO) levels to support overall cardiovascular health.Fast acting advanced ingredient that works within 15 minutes, delivering benefits that last up to 6 hours with a single dose.