Smart & Simple Jiaogulan, pronounced je-ow-gu-laan and sometimes referred to as "J-herb," provides 7,000 mg of jiaogulan per serving. Jiaogulan has been used in traditional Chinese medicine for its ability to support nitric oxide production, which plays an important role in healthy blood flow. This herb's vasodilatory and bronchodilatory properties promote optimal circulation throughout the body, supporting the hooves and respiratory tract. Healthy circulation is important for body-wide health as it helps deliver key nutrients and oxygen to tissues, is key to the growth, repair, and overall health of your horse's hooves, and encourages the opening of your horse's airways. This versatile herb helps combat oxidative stress to maintain immune and muscle health, in addition to healthy brain function and nervous system integrity.