Improve Your Horses Blood with All Natural Herbs Does your horse have poor blood circulation, a bacterial infection or liver problems? Here at Silver Lining Herbs we carry specially formulated herbs designed to improve blood circulation and more in Horses. Our all-natural blend of high quality raw herb and plant supplements come highly recommended by equine veterinarians for large horses of all types. Champion riders recommend Silver Lining Herbs to increase health and performance in horses. Additionally, SLH meets all of the quality standards set forth by NASC earning us their trusted Quality Seal. Once you try our products we are sure you will be recommending them too. Browse our selection of herbal products below.