LDL and VLDL are both lipoprotein packages in your blood. Both are considered bad types of cholesterol. They differ in what each package carries. LDL - bad cholesterol. LDL (low-density lipoprotein) cholesterol carries mostly cholesterol, some protein, and minimal triglycerides throughout your circulation.DL should be less than 130 mg/dl, ideally less than 100 mg/dl. VLDL - bad cholesterol. VLDL (very low-density lipoprotein) cholesterol contains minimal protein and mainly transports triglycerides.