Description Promotes normal digestive âFlow" to assist with Bowel Movements. SayWhoa! is a Revolutionary Product. Horses may become dehydrated and impacted by simple acts of severe weather changes, an abrupt change of feed or long horseback rides. SayWhoa! promotes the normal flow of digestion. It's What You Do First! Packaged in two Pre-Filled Syringes - Two Syringes per horse. You would give both Syringes to a horse or foal over 100 lbs.