1. Total Cholesterol: This measures the overall amount of cholesterol in the blood. 2. LDL Cholesterol: Often referred to as "bad" cholesterol, high levels of LDL can lead to plaque buildup in arteries. 3. HDL Cholesterol: Known as "good" cholesterol, HDL helps remove other forms of cholesterol from the bloodstream. 4. Triglycerides: These are a type of fat found in the blood. High levels can increase the risk of heart disease.