New! Placide-M+CaPlacide M+Calcium is ideal for when your horse is on fast growing grass which is low in minerals. Specially developed high grade mix of bio available organic chelated magnesium calcium blend with boron. Boron is an essential trace element to help ensure maximum absorption and effectiveness. A balanced level of magnesium & calcium is required in the body to keep an animal settled and calm. The calcium: magnesium ratio should ideally be nearer 2: 1. The