Durvet's Calcium Gluconate 23% Sterile Solution is to be used as an aid in the treatment of parturient paresis (milk fever) in cattle. Active Ingredients: Calcium Gluconate provides 2.14 grams (Calcium) 23 grams, Water for Injection q.s. Inactive Ingredients: Boric acid (as a solubilizing agent) 3.5 grams, Electrolytes per 1000 mL, Calcium 1069 mEq, Hypertonic pH 2.5-4.5 | Durvet Calcium Gluconate 23% Sterile Solution | Size 500 ml