DiaSys TruLab Lipid Level 2 is a lyophilized 'pathologic' high control based on human blood material (serum) with additives of purified material of human origin. For veterinary or research use only. Contains Apolipoprotein A1, Apolipoprotein B, Cholesterol, HDL, LDL, NEFA, Phospholipids, Triglycerides, Lp-PLA2. DiaSys TruLab Lipid Level 2 must be stored refrigerated. Once reconstituted, DiaSys TruLab Lipid Level 2 is stable for 30 days when kept frozen.