• 128 OUNCE • Thia-cal liquid b1 calcium supplement uses a blend of all natural ingredients in a palatable liquid formula to relax horses . • Thia-cal is an effective way of settling a nervous horse. • Horses with a deficiency of thiamine or vitamin b1 will often act irrationally, struggle to keep weight on, and lack focus . • Thia-cal helps to replenish what the horse is missing.