Magnesium is critical for the relaxation of the smooth muscle that makes up the structure of blood vessels. It is also important for maintaining a healthy balance of sodium and potassium. Both of these functions help support normal, healthy blood pressure.† Clinical studies show that hawthorn has a powerful effect on the maintenance of normal, healthy blood pressure by helping to relax blood vessels.† The active ingredient in Coleus forskohlii, forskolin, increases cyclic adenosine monophosphate (cAMP), which is important for supporting healthy blood pressure and the overall efficiency of heart function.† Studies show taurine is important for normal, healthy blood pressure, heart muscle contraction, and helping to maintain overall heart function Hops have a calming effect on the central nervous system which helps support normal, healthy blood pressure, particularly during times of physical and mental stress.