Health Benefits of Eating Coconut Oil | What Science Actually Shows

Coconut oil has earned a superfood reputation in wellness circles, but when it comes to the health benefits of eating coconut oil, the research tells a different story than the marketing. While it modestly raises HDL (good) cholesterol, it also significantly increases LDL (bad) cholesterol — a well-defined risk factor for heart disease. Here is what the evidence actually shows and how to think about coconut oil if you choose to use it.

Does Eating Coconut Oil Improve Heart Health?

The answer is no — and major health organizations advise against making it a regular dietary fat. A 2020 meta-analysis of 16 randomized clinical trials found that coconut oil significantly increases total cholesterol and LDL cholesterol compared to nontropical vegetable oils like olive and canola. It even raised LDL more than palm oil, another tropical fat high in saturated fat.

The American Heart Association explicitly advises against coconut oil use because roughly 82–90% of its fat is saturated, which drives up LDL and cardiovascular disease risk. While coconut oil does boost HDL, this benefit does not offset the concurrent rise in LDL. No randomized trials have directly linked coconut oil intake to heart attacks or cardiovascular deaths, but the established connection between elevated LDL and heart disease is strong enough for experts to recommend caution.

What The Evidence Shows About Weight, Inflammation, and Other Claims

On weight and metabolic health, the evidence for coconut oil is weak. A 2023 review of nine studies found only a slight, statistically significant decrease in body weight and fat mass when coconut oil replaced other oils — but the effect was minimal and not clinically meaningful. A 2020 systematic review concluded that coconut oil offers no improvements to blood glucose or inflammation markers compared to other vegetable oils.

Claims that coconut oil helps prevent or treat Alzheimer’s disease are not supported by clinical trials. The theory that medium-chain triglycerides in coconut oil produce ketones that support brain function remains unconfirmed in large studies. No evidence supports improved glycemic control either — coconut oil does not lower blood sugar markers relative to other fats.

A key distinction matters here: strong evidence supports topical coconut oil for treating atopic dermatitis and oil pulling for reducing dental plaque. Eating coconut oil does not provide those same benefits.

How Much Coconut Oil Can You Safely Eat?

Health experts recommend limiting intake to about 1 tablespoon (roughly 14 grams) per day. For a 2,000-calorie diet, no more than 1.5 tablespoons keeps you within the AHA’s saturated fat limits. Some sources suggest 1–2 tablespoons daily, but the upper end exceeds the recommendation for most adults.

If you choose to include coconut oil, start with half a tablespoon per day and gradually increase to 1.5 tablespoons over two weeks. Use it as a replacement for other saturated fats like butter rather than adding it to a diet already rich in unsaturated oils. Virgin or unrefined coconut oil retains more antioxidants than refined (RBD) varieties, though RBD oil has a slightly less detrimental impact on LDL than butter fat — but not less than cis-unsaturated oils like olive or avocado.

Common mistakes include swapping healthy unsaturated oils for coconut oil, overconsuming it, assuming “natural” means heart-healthy, and ignoring its caloric density — one tablespoon packs about 120 calories, all from fat.