Doctor's Best Fast Acting Arginine Complex With Nitrosigine Dietary Supplement Contains Potassium And Arginine Silicate Inositol To Help Your Body Increase Nitric Oxide Levels In As Fast As 30 Minutes While Delivering Benefits As Much As Three Hours Later. The Increased Nitric Oxide May Boost Blood Flow Over Time With Continued Use Of This Product. This 60 Tablet Bottle Could Also Improve Muscle Function And Blood Vessel Flexibility. Take Two Tablets Daily With A Meal For Optimal Results.

*Orders received after 2pm EST may be delayed by one business day. Most products are shipped with UPS Ground and take 1-4 business days to arrive.