What are HDL/ LDL/ triglycerides?

HDL, LDL, and triglycerides are types of fat that are important for normal health and functioning but that can cause disease states when unbalanced and unchecked. 

Cholesterol is carried through your bloodstream by two lipoproteins: LDL (low-density lipoprotein) and HDL (high-density lipoprotein).


LDL is referred to as “bad cholesterol” because studies have linked it to atherosclerosis (narrowing of arteries due to plaque buildup); an increased risk for heart attack and stroke, and peripheral artery disease [1].


HDL, on the other hand is known as “good cholesterol” because studies show it picks up LDL cholesterol, taking it away from the arteries and back to the liver and, in this way, protecting the body from heart attack and stroke [2].

Triglycerides are the most common type of fat in your body. Your body stores excess energy as triglycerides. It is believed that high triglyceride levels combined with a low HDL to LDL cholesterol ratio (low HDL cholesterol or high LDL cholesterol) is linked with an increased risk of heart attack and stroke [3].

The keto dietpromotes healthy levels of triglycerides and the correct ratio of HDL and LDL cholesterol, especially when you eat enough quality fats like MUFAs, PUFAs, and saturated fats [4].


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