| | Conditions & Treatments | Cholesterol What is normal HDL Cholesterol? Optimal: Greater than 60 mg/dL (milligrams per deciliter) Borderline-low: 41-59 mg/dL Low: Less than 40 mg/dL Cholesterol - Related Articles Why Does Cholesterol & Fat Build Up in Veins? Weight Loss & Cholesterol Effects of Atorvastatin What lipoprotein is responsible for transporting cholesterol back to the liver form periphery? What Does High LDL & High HDL Mean? Exercises for Lowering LDL Foods Without Cholesterol