DiaSys TruCal U is a lyophilized universal calibrator based on human blood material (serum) with chemical additives and biological materials. For veterinary or research use only. Contains ALAT, Albumin, Alkaline phosphatase, α-Amylase, ASAT, Bilirubin direct and total, BUN, Calcium, Cholesterol, Cholinesterase, CK-NAC, Creatinine, Gamma-GT, GLDH, Glucose, α-HBDH, Iron, Lactate, LDH, Lipase, Magnesium, Pancreatic amylase, Phosphorus, Total protein, Triglycerides, UIBC, Urea, Uric acid. DiaSys TruCal U must be stored refrigerated. Once reconstituted, DiaSys TruCal U is stable for 30 days when kept frozen.