lipid.siteFood and LDL-C
Dietary patterns people try
Thinking about changing how you eat to help your cholesterol? Here are dietary patterns people commonly try that have research behind them. Browse what each one involves, what the studies found for LDL-C, and what tends to make it easier or harder in real life. Many people mix pieces from two or three.
Goal
See which eating patterns have research behind them for LDL-C, what each one asks of you day to day, and what to raise with your clinician or a registered dietitian.
Takeaway
In trials, several patterns lowered LDL-C by about 5 to 17% on average. Results vary from person to person, food works alongside medicine, and a lab recheck shows what a change does for you.
Please read first
This section shares information about dietary patterns and the research on them. lipid.site doesn't recommend any particular diet, and nothing here is medical or nutrition advice for you. Talk with your clinician or a registered dietitian before making big changes, especially if you have diabetes, kidney disease, an eating-disorder history, are pregnant or breastfeeding, or take blood thinners or other daily medicines. Food changes can work alongside cholesterol medicines; they usually don't replace a medicine your clinician prescribed.
Before you browse
How to read the evidence
Evidence strength: strong means several good trials agree; moderate means trials agree but are small, short or varied; limited means a few small trials or mostly indirect evidence. LDL-C numbers are averages from studies. Your own result can be larger, smaller or zero.
- Strong evidence
- Moderate evidence
- Limited evidence
Browse
The 10 patterns
- 1Strong evidence
Portfolio diet
Stacks four food groups that each lower LDL-C a little (nuts, plant protein like soy, sticky soluble fiber, and plant sterols) so the effects add up.
LDL-C effect: About 13 to 17% lower LDL-C in trials
What it involves
- 2Strong evidence
Low saturated fat (TLC-style)
Swaps foods rich in saturated fat (butter, fatty meat, full-fat dairy, coconut and palm oil) for unsaturated fats, the single change with the most consistent LDL-C evidence.
LDL-C effect: About 10 to 16% lower LDL-C in trials, more for people who started high in saturated fat
What it involves
- 3Moderate evidence
Soluble-fiber focus
Builds each day around foods with sticky soluble fiber (oats, barley, beans, lentils, psyllium) that bind bile acids and pull cholesterol out of circulation.
LDL-C effect: About 5 to 10% lower LDL-C, depending on the source and dose
What it involves
- 4Moderate evidence
Mediterranean
Olive oil, vegetables, beans, whole grains, nuts and fish, with modest dairy and little red meat. Best known for its cardiovascular outcome trials.
LDL-C effect: Small: about 0 to 6 mg/dL lower LDL-C on average; strong data for fewer heart attacks and strokes
What it involves
- 5Moderate evidence
DASH
A blood-pressure diet from the NIH that also trims LDL-C: lots of produce, low-fat dairy and whole grains, with less saturated fat, sugar and salt.
LDL-C effect: About 4 to 11 mg/dL lower LDL-C (roughly 3 to 8%)
What it involves
- 6Moderate evidence
Vegan / whole-food plant-based
No animal foods; built on beans, whole grains, vegetables, fruit, nuts and seeds. Removes most dietary saturated fat and cholesterol at once.
LDL-C effect: About 10% lower LDL-C and about 14% lower apoB in trials
What it involves
- 7Moderate evidence
Vegetarian (lacto-ovo)
No meat, poultry or fish, but keeps eggs and dairy. A gentler step than vegan with much of the same LDL-C benefit when dairy fat stays modest.
LDL-C effect: About 10% lower LDL-C in pooled trials (vegetarian and vegan combined)
What it involves
- 8Limited evidence
Healthy Nordic
A Scandinavian cousin of the Mediterranean diet: rye and oats, berries, root vegetables, cabbage, fatty fish and canola (rapeseed) oil.
LDL-C effect: About 10 mg/dL lower LDL-C on average, with wide variation between trials
What it involves
- 9Limited evidence
Plant-based low-carb (Eco-Atkins)
A lower-carb way of eating where protein and fat come from plants (soy, gluten, nuts, vegetable oils) instead of meat, butter and cheese.
LDL-C effect: About 8 to 13% more LDL-C lowering than a high-carb vegetarian diet in small trials
What it involves
- 10Limited evidence
Heart-healthy South Asian and East Asian home cooking
Keeps familiar dishes (dal, sabzi, stir-fries, soups, rice and roti meals) and changes the oil, the dairy fat and the grain.
LDL-C effect: Limited direct data: about 9 mg/dL in one Japanese diet trial; principles drawn from stronger evidence
What it involves
Help me decide
Side by side
Same order as the cards above. Effort and cost come from each pattern's practical notes.
- Portfolio diet
- Evidence
- Strong evidence
- LDL-C effect
- About 13 to 17% lower LDL-C in trials
- Effort
- Moderate
- Cost
- Mostly low
- Low saturated fat (TLC-style)
- Evidence
- Strong evidence
- LDL-C effect
- About 10 to 16% lower LDL-C in trials, more for people who started high in saturated fat
- Effort
- Low
- Cost
- Neutral to lower
- Soluble-fiber focus
- Evidence
- Moderate evidence
- LDL-C effect
- About 5 to 10% lower LDL-C, depending on the source and dose
- Effort
- Low
- Cost
- Low
- Mediterranean
- Evidence
- Moderate evidence
- LDL-C effect
- Small: about 0 to 6 mg/dL lower LDL-C on average; strong data for fewer heart attacks and strokes
- Effort
- Moderate
- Cost
- Moderate
- DASH
- Evidence
- Moderate evidence
- LDL-C effect
- About 4 to 11 mg/dL lower LDL-C (roughly 3 to 8%)
- Effort
- Low to moderate
- Cost
- Moderate
- Vegan / whole-food plant-based
- Evidence
- Moderate evidence
- LDL-C effect
- About 10% lower LDL-C and about 14% lower apoB in trials
- Effort
- Moderate
- Cost
- Low to moderate
- Vegetarian (lacto-ovo)
- Evidence
- Moderate evidence
- LDL-C effect
- About 10% lower LDL-C in pooled trials (vegetarian and vegan combined)
- Effort
- Low to moderate
- Cost
- Usually lower
- Healthy Nordic
- Evidence
- Limited evidence
- LDL-C effect
- About 10 mg/dL lower LDL-C on average, with wide variation between trials
- Effort
- Moderate
- Cost
- Moderate
- Plant-based low-carb (Eco-Atkins)
- Evidence
- Limited evidence
- LDL-C effect
- About 8 to 13% more LDL-C lowering than a high-carb vegetarian diet in small trials
- Effort
- Moderate
- Cost
- Moderate
- Heart-healthy South Asian and East Asian home cooking
- Evidence
- Limited evidence
- LDL-C effect
- Limited direct data: about 9 mg/dL in one Japanese diet trial; principles drawn from stronger evidence
- Effort
- Low to moderate
- Cost
- Low
Many people mix pieces from two or three. Common blends:
- Portfolio foods + Mediterranean: olive oil, fish and vegetables, plus daily nuts, soy, oats or barley and beans. A common and practical blend.
- Soluble-fiber focus + anything: oats, beans or psyllium layer onto every other pattern.
- Low saturated fat + DASH: overlapping goals; DASH adds the blood-pressure benefit.
- Vegan or vegetarian + Portfolio: adding nuts, soy, sticky fiber and sterols to a plant-based base gives the largest food-based LDL-C effects seen in trials.
- Plant-based low-carb + Portfolio: Eco-Atkins came from the same research group and shares the soy, nuts and oils.
- South Asian or East Asian cooking + Portfolio: dal, chana, tofu, okra, eggplant and oats are already staples.
Your results will vary
Diet affects LDL-C differently from person to person. Two people on the same plan can see very different results, and genetics (including familial hypercholesterolemia and Lp(a)) set a floor that food alone may not move. The only way to know what a change does for you is to recheck your labs, usually after 6 to 12 weeks of sticking with it. Log your results here to see the trend.
Medicines still matter
If your clinician has recommended a statin or other medicine, changing your diet works together with it. Many people need both to reach their goal.
And the rest
Patterns we didn't include
People ask about these often. Here's what the research shows for LDL-C, and why each one sits outside the list above.
People often try these for weight loss or blood sugar, and they can lower triglycerides and raise HDL-C. When the fat comes mostly from meat, butter, cheese and coconut oil, LDL-C often goes up, sometimes a lot. A meta-analysis of 11 trials found low-carb diets raised LDL-C slightly on average versus low-fat diets, and individual responses vary widely. In a survey of over 2,000 carnivore-diet followers, average self-reported LDL-C was 172 mg/dL. Some lean, active people see very large LDL-C rises on keto (sometimes called 'lean mass hyper-responders'); studies of this group are small, contested, and lack long-term outcome data. If you prefer low-carb eating, the plant-based low-carb pattern above keeps carbs low while lowering LDL-C in trials. If you are on keto now, rechecking LDL-C and apoB tells you how you're responding.
Sources
- Mansoor N, et al. Effects of low-carbohydrate diets v. low-fat diets on body weight and cardiovascular risk factors: a meta-analysis of randomised controlled trials. Br J Nutr. 2016;115(3):466-479. PMID 26768850
- Lennerz BS, et al. Behavioral characteristics and self-reported health status among 2029 adults consuming a 'carnivore diet'. Curr Dev Nutr. 2021;5(12):nzab133. PMID 34934897
Eating within a set window can help some people cut calories. In a 12-month trial, adding an 8-hour eating window to calorie restriction gave no meaningful extra benefit for weight or metabolic risk factors compared with calorie restriction alone. Any LDL-C change seems to come from what and how much people eat, and from weight loss. You can pair a time window with any pattern above if it helps you.
Swapping red and processed meat for fish is a reasonable step, and both the Mediterranean and Nordic patterns above already work well pescatarian. We found few trials testing pescatarian eating on its own for LDL-C, so we folded it into those patterns. Fried fish and shrimp in butter sauces add back saturated fat.
These come up often. The 2026 ACC/AHA dyslipidemia guideline recommends against dietary supplements for lowering LDL-C or triglycerides (Class 3: no benefit). Red yeast rice can contain monacolin K, the same molecule as the prescription statin lovastatin, in unpredictable amounts. Fiber supplements like psyllium and plant sterols are food components with trial evidence and appear in the patterns above; talk with your clinician before using any supplement.
These lack trial evidence for lasting LDL-C change and can be unsafe for people with diabetes, kidney disease or an eating-disorder history.
Keep exploring
- Can I fix this with diet and exercise?Try the changes and see how far they go
- Food and lifestyleFiber, saturated fat, exercise and weight
- Questions people askPlain answers on food and LDL
Content reviewed by Kaustubh Dabhadkar, MD, on October 20, 2026. General education from published research. lipid.site is not a healthcare provider.