Diet for elevated triglycerides – guidelines, prohibited and recommended foods

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Research and epidemiological data indicate a correlation between elevated triglyceride levels in the bloodstream and an increased risk of cardiovascular conditions. Depending on the underlying cause, hypertriglyceridemia can be managed through dietary adjustments or pharmacological interventions, including the use of fibrates and niacin.

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What are triglycerides?

Triglycerides, abbreviated as TG, are chemically fats composed of three fatty acids linked to a glycerol molecule. They are present in the blood and tissues, and an elevated serum level is clinically termed hypertriglyceridemia. Beyond environmental factors such as diet, causes can include genetic predisposition, obesity, type 2 diabetes, kidney disease, or hypothyroidism. Interestingly, during pregnancy, serum TG levels physiologically double in the third trimester.

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Triglyceride reference ranges

Serum triglyceride levels are determined through a standard lipid panel. The American Heart Association (AHA) recommends keeping serum TG levels below 150 mg/dl. Diet plays a crucial role in managing blood TG content; sometimes eliminating alcohol, sweetened beverages, and sweets is sufficient to achieve a significant improvement in the lipid profile. A severely elevated triglyceride concentration exceeding 880 mg/dl significantly increases the risk of developing acute pancreatitis.

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Dietary management for high triglycerides

To reduce serum TG concentration, a controlled-fat and controlled-carbohydrate diet should be implemented. Saturated fatty acids must be limited in favor of mono- and polyunsaturated fatty acids. Appropriate culinary techniques are recommended, such as boiling in water, steaming, baking in foil or parchment paper, and stewing, avoiding deep-frying or adding large amounts of fat. When TG levels exceed 300 mg/dl, total fat intake should be carefully managed. Furthermore, reducing simple sugars and fructose is vital, as excessive fructose intake can significantly elevate triglycerides. Regular physical activity and weight loss also powerfully improve the lipid profile.

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Recommended and prohibited foods

Dietary management requires strict avoidance of alcohol, sugar-sweetened beverages (cola, energy drinks), and foods with a high glycemic index. Fatty cuts of meat, processed meats, and high-fat cheeses should also be limited. Conversely, patients should incorporate low-glycemic index foods such as whole grains, oat flakes, legumes, fresh vegetables, and berries. High-quality plant oils (such as flaxseed and rapeseed oil) rich in omega-3 fatty acids, along with regular consumption of fatty fish or fish oil supplements, help effectively lower serum triglyceride concentrations.

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