Your liver is the primary producer of cholesterol in your body. While you obtain some cholesterol from your diet, the majority—around 80%—is synthesized by your liver. This internally produced cholesterol is essential for various bodily functions, including the creation of cell membranes, hormones, and vitamin D.
Where Cholesterol is Made
- Liver: The liver is the main site of cholesterol production. It manufactures cholesterol to meet the body's needs. [Source: Johns Hopkins Medicine, Harvard Health, Mass General Brigham, Cleveland Clinic, Pharmacy Times, Medical News Today]
- Intestines: While the liver is the primary producer, the intestines also contribute to cholesterol production, though to a lesser extent than the liver. [Source: Medical News Today]
Cholesterol's Role in the Body
Cholesterol, along with other fats, travels through the bloodstream within lipoprotein particles. These particles, such as low-density lipoproteins (LDL) and high-density lipoproteins (HDL), are crucial for transporting cholesterol to and from cells.
- Cell Membranes: Cholesterol is a vital component of cell membranes, contributing to their structure and function.
- Hormone Production: It plays a key role in the synthesis of various hormones.
- Vitamin D Synthesis: Cholesterol is a precursor to vitamin D.
Dietary Cholesterol
It's important to remember that dietary cholesterol, found in foods like meat, poultry, and dairy products, contributes a smaller percentage (around 20%) to the overall cholesterol in your bloodstream. [Source: Harvard Health, American Heart Association, Cleveland Clinic]
While your body produces most of the cholesterol it needs, maintaining a healthy diet and lifestyle can still impact cholesterol levels. A diet low in saturated and trans fats can help regulate cholesterol production and maintain healthy levels in the bloodstream.