All Natural Herbs for Overall Horse Health Maintenance Like any finely tuned machine—whether it be a racecar or a human body—a horse needs regular maintenance to stay healthy. With the proper balanced diet and supplementation, like vitamins, your horse can have more strength and endurance. Silver Lining Herbs’ specially formulated and all-natural herbal supplements contain the vitamins your horse needs for optimal health and nutrition. Combined with regular care and a balanced diet, our NASC Quality Seal supplements will help improve your equine’s endurance, health, and longevity. All-natural and made from herbs and plants, our NASC Quality Seal supplements are designed to support your equine’s health naturally. Join professional riders and equine veterinarians alike, and see what all the fuss is about.