Hydroponic spinach smoothie clinical trials

Hydroponic vs Conventional Spinach Smoothies: Effects on Salivary Nitrate Bioavailability and Blood Pressure

This study looks at how smoothies made from different types of spinach (hydroponic vs. regular) affect your blood pressure and a body chemical called nitrate. We want to see if the way spinach is grown changes how beneficial it is for your body after you drink it.