Most blood tonics marketed today contain only a few ingredients responsible for red blood cell production. HemoCharge is unique in as much as every ingredient is active and water soluble, allowing each nutrient to be utilized for optimum energy & stamina levels. The key ingredients of Greyhound HemoCharge include Iron, Vitamin B12, Vitamin E and Thiamin. Excellent for dogs coming back from viruses or under-performers. Available in 473ml - 6 Month Supply for one Dog at maintenance.