In a normal fasting individual, VLDL concentrations range from 0.5 – 2.0 g/L. VLDL transports triglycerides synthesized by the liver to sites of energy storage and utilization. Purity: single arc by IEP against antisera to whole human serum. Essentially free of other plasma lipoproteins as determined by electrophoresis using Fat Red 7B stain for lipids and Coomassie Blue for proteins. >95percent of total lipoprotein content by electrophoresis. Prepared from fresh, non-frozen plasma shown to be non reactive for HbsAG, anti-HCV, anti-HBc, and negative for anti-HIV 1 & 2 by FDA approved tests. Do NOT freeze this product.