Stamina Plus has conducted research into Equine Nutrition for the past 41 years. The number of horses in the research facility in Cody, Wyoming has been as high as 80. The research has included pregnant mares, newborns, weanlings, yearlings, performance horses and geriatric horses. The research has also included blood samples from 300 BLM horses. The research data Stamina Plus has accumulated in its research facility has allowed a complete line of Equine Supplements to be offered to Horse owners, that is safe and balances the micro-nutrition of your horses.