What Are the Different Types of Blood Lipids and Their Roles in Your Health?

Different Types

What Are Blood Lipids and How Do They Impact Health?

Blood lipids—also known as blood fats—are types of fats that circulate in the bloodstream, including cholesterol, triglycerides, and other lipids. These fats have the important job of helping to form and maintain the cell membrane of all cells in our bodies. They also form an important part of energy transport and storage, as well as having numerous other biochemical roles. In terms of health, blood lipids play a role in the functioning of the heart, brain, and even the immune system.

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Different Types of Blood Lipids and Their Roles in Health


Cholesterol is a lipid found in the bloodstream and is essential for the formation of cell membranes and for synthesizing certain hormones. It comes in two forms: LDL (low-density lipoprotein) and HDL (high-density lipoprotein). LDL is the “bad” cholesterol, while HDL is the “good” cholesterol. High levels of LDL increase the risk of heart disease, while high levels of HDL protect against it.

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Triglycerides are a type of fat that circulate in the bloodstream and are essential for energy storage and transport. High triglyceride levels are associated with an elevated risk of heart disease. It is important to keep triglyceride levels under control through diet, exercise, and lifestyle changes.


VLDL (very low-density lipoprotein) and IDL (intermediate-density lipoprotein) are two other types of lipids found in the bloodstream. They both play a role in carrying cholesterol and triglycerides in the blood and are associated with an increased risk of heart disease.

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Managing Blood Lipids to Improve Health

Managing blood lipids—particularly cholesterol and triglyceride levels—is important for maintaining good health. This can be achieved through eating a balanced, healthful diet, engaging in regular physical activity, avoiding smoking, and maintaining a healthy weight. Certain medications may be prescribed if dietary and lifestyle changes are not enough to get blood lipid levels under control.