The Daily Dose Equine Magnesium Citrate Horse Supplement is a bioavailable source of magnesium and is used to support the metabolism of carbohydrates, amino acids and fats. It assists in establishing normal fat distribution in the equine, reducing fat pockets, including cresty necks. Depleted during periods of stress, supplementation will assist the horse as it recovers. This trace mineral is also known to support healthy cardiac function and calming in horses, reducing excitability. Use this horse supplement with horses of all life stages.