Keto Plus Gel dairy supplement aids in the prevention of ketosis. Contains propylene glycol, niacin, choline, vitamins A, D₃, E and B₁₂, plus propionic acid, which provides additional energy to pull other ingredients through, in a "true gel" base so product will not run out of animal's mouth. Dosage: 1 tube prior to or after calving, repeat 12-24 hours after calving. No withdrawal period.