Cholesterol from food doesn’t directly enter our bloodstream.
This is due to how our bodies process and regulate cholesterol levels. When we consume cholesterol from food sources like eggs, shellfish, or meat, it first goes through digestion, where it’s broken down and packaged in a form that can be absorbed.
However, our bodies don’t automatically add this cholesterol to the bloodstream; instead, the liver tightly regulates cholesterol levels, producing more or less as needed. This means dietary cholesterol has a relatively modest impact on blood cholesterol levels for most people.
What does have a significant impact is saturated fat, which can increase LDL (low-density lipoprotein) cholesterol, the “bad” cholesterol linked to plaque buildup in arteries. When saturated fat is consumed regularly, the liver releases more LDL cholesterol into the bloodstream, contributing to higher cholesterol levels over time. Saturated fat also has a direct impact on your A1C which is a test used to diagnose diabetes.
If this diet is further compounded with high intake of refined carbohydrates (like sugars and processed grains), it can further amplify cholesterol and triglyceride levels, creating a greater risk for heart disease and other metabolic issues.
By contrast, diets rich in unsaturated fats (like those in olive oil, nuts, and fatty fish) and high-fiber foods have been shown to help manage or even lower LDL cholesterol, which can support better heart health.
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