The foods that raise cholesterol the most are those high in saturated fat, not necessarily those high in dietary cholesterol. Butter, fatty cuts of meat, and baked goods made with solid fats have the strongest effect on LDL (“bad”) cholesterol. But the full picture is more nuanced than a simple list, because the form food takes, how it’s processed, and even the type of fat it contains all change the outcome.
Saturated Fat Has the Biggest Impact
When you eat a lot of saturated fat, your liver becomes less efficient at pulling LDL cholesterol out of your bloodstream. Saturated fat reduces the number of LDL receptors on liver cells in a dose-dependent way, meaning the more you eat, the fewer receptors your liver produces. With fewer receptors clearing LDL from your blood, levels rise. The American Heart Association recommends keeping saturated fat below 6% of your total daily calories, which works out to about 13 grams on a 2,000-calorie diet.
The biggest sources of saturated fat in most people’s diets include butter, cheese (especially hard cheeses), cream, fatty cuts of beef and pork, poultry skin, lard, and baked goods like pastries and cookies made with butter or shortening. Full-fat ice cream, palm oil, and many fast-food items round out the list.
Butter vs. Coconut Oil vs. Olive Oil
Not all high-fat foods affect cholesterol the same way. In a randomized trial comparing butter, coconut oil, and olive oil, butter raised LDL cholesterol significantly more than either alternative. Coconut oil, despite being high in saturated fat, did not raise LDL any more than olive oil did. Coconut oil also raised HDL (“good”) cholesterol more than both butter and olive oil. Butter worsened the ratio of total cholesterol to HDL, a key marker of cardiovascular risk, while coconut oil did not.
This doesn’t make coconut oil a health food, but it does illustrate that the specific type of saturated fat matters. The saturated fats in butter (longer-chain fatty acids like palmitic acid) appear to be more potent at suppressing LDL receptors than the medium-chain fats dominant in coconut oil.
Red Meat Is Less Clear-Cut Than You’d Think
Red meat has a reputation as a major cholesterol-raising food, but the research is surprisingly mixed. A large meta-analysis of randomized controlled trials published in Circulation found no significant dose-dependent relationship between red meat intake and LDL cholesterol across intakes ranging from 0 to 500 grams per day. When red meat was compared against all other protein sources combined, there was no meaningful difference in LDL levels.
The nuance shows up when you look at what replaces the red meat. Swapping red meat for high-quality plant proteins like beans, lentils, or soy led to greater reductions in total and LDL cholesterol. Interestingly, red meat actually lowered LDL more than fish in head-to-head comparisons, though fish lowered it through other pathways that benefit heart health. The takeaway: red meat itself isn’t the main driver of high cholesterol. What matters more is the overall pattern of your diet and whether your protein sources come bundled with saturated fat (think a marbled ribeye) or fiber and unsaturated fats (think lentils).
Trans Fats: Smaller but Still Present
Trans fats raise LDL cholesterol while simultaneously lowering HDL cholesterol, making them uniquely harmful. The FDA effectively banned artificial trans fats (partially hydrogenated oils) from the U.S. food supply, but they haven’t disappeared entirely. Naturally occurring trans fats are still found in dairy products, butter, cheese, and meat from cows, sheep, and goats. These natural trans fats exist in smaller quantities than the industrial versions that once filled margarine and packaged snacks, but they contribute to your total intake.
Added Sugar Raises Triglycerides
Sugar doesn’t contain any fat or cholesterol, yet it’s one of the most potent dietary triggers for a harmful lipid profile. When you consume a lot of added sugar, particularly fructose, your liver converts it into fat through a process called de novo lipogenesis. Fructose is especially efficient at this because the first product of its breakdown acts as a signaling molecule that switches on fat-production pathways in the liver. The result is increased production of triglyceride-rich particles that your liver packages and sends into the bloodstream.
Fructose also interferes with the enzymes that normally break down these fat-carrying particles, causing them to linger in the blood longer and build up. Over time, chronic sugar intake drives up triglycerides and contributes to the formation of small, dense LDL particles, the type most associated with artery damage. Sweetened beverages, candy, baked goods, flavored yogurts, and many breakfast cereals are the primary sources of added sugar for most people.
Ultra-Processed Foods Worsen the Picture
People who eat the most ultra-processed foods (packaged snacks, fast food, sugary drinks, instant noodles, processed meats) are roughly 3.5 times more likely to have abnormal triglyceride levels and about 3.4 times more likely to have low HDL cholesterol compared to those who eat the least. The effect on LDL specifically is less clear, with studies showing no statistically significant link. But the combination of high triglycerides and low HDL is itself a recognized risk pattern for heart disease, sometimes called atherogenic dyslipidemia. These foods tend to combine saturated fat, added sugar, refined carbohydrates, and salt in ways that compound their individual effects.
Eggs and Shrimp: The Dietary Cholesterol Question
For decades, foods high in dietary cholesterol like eggs and shrimp were treated as major villains. The reality is more complicated. Your liver produces the vast majority of the cholesterol in your blood, and when you eat more cholesterol, your liver typically compensates by producing less. This is why dietary cholesterol has a much smaller effect on blood levels than saturated fat does.
Eggs do modestly raise the LDL-to-HDL ratio. A meta-analysis of 17 randomized controlled trials found that eating more eggs increased this ratio by a small but statistically significant amount. However, some research suggests that the type of LDL particles that increase with egg consumption tend to be larger and less harmful than the small, dense particles most strongly linked to heart disease.
Shrimp tells a similar story. A diet containing about 300 grams of shrimp per day (a large portion) raised LDL by 7.1% but raised HDL by 12.1% and lowered triglycerides by 13%. Because HDL went up proportionally more than LDL, the overall cholesterol ratios did not worsen. Researchers concluded that moderate shrimp consumption does not adversely affect the overall lipid profile.
Cheese and Yogurt Behave Differently Than Butter
Full-fat dairy is often lumped together as cholesterol-raising, but the form of the dairy product changes everything. Butter consistently raises LDL cholesterol in trials, yet cheese containing the same amount of dairy fat does not produce the same effect. In a controlled trial of people with metabolic syndrome, a diet rich in full-fat dairy (including cheese and yogurt) had no significant effect on total cholesterol, LDL, HDL, or triglycerides compared to a low-fat dairy diet or a diet limited in dairy altogether.
The likely explanation is what researchers call the “food matrix effect.” In cheese and yogurt, fat is bound within a complex structure of proteins, calcium, and in the case of yogurt, bacterial cultures. This matrix changes how fat is digested and absorbed. Butter, by contrast, is nearly pure milk fat with that matrix stripped away. If you’re trying to manage cholesterol, swapping butter for cheese or yogurt as your primary dairy source is a meaningful change, even if the total fat content is similar.