How much fat per day is considered "low fat"?

A standard low-fat diet caps total fat at under 30% of calories, about 67 g on a 2,000-calorie day. Therapeutic low-fat diets for gallbladder disease, pancreatitis recovery, or some malabsorption conditions go stricter, often 20-30 g/day total. Truly fat-free is rarely necessary and usually not desirable, some dietary fat is essential for absorbing vitamins A, D, E, and K.

Are healthy fats (olive oil, avocados, nuts) okay on a low-fat diet?

It depends on the goal. For general "low-fat" eating, healthy unsaturated fats in moderate portions are fine and probably preferable to a fat-stripped processed diet. For strict therapeutic low-fat diets (gallbladder, pancreatitis), even healthy fats need to be limited until tolerance is established with a clinician.

Will eating low-fat help me lose weight?

Low-fat diets are not inherently better than other calorie-controlled approaches for weight loss, fat loss is driven by sustained calorie deficit. Many "low-fat" processed products replace fat with sugar, ending up calorically similar. A whole-food low-fat diet (vegetables, lean protein, whole grains) can work, but so can lower-carb or balanced approaches. The most important factor is what you can sustain.

What about saturated vs unsaturated fat on a low-fat diet?

Even within a low-fat diet, the type of fat matters for heart health. Most guidelines suggest the small amount of fat that fits within a low-fat target should come from unsaturated sources (olive oil, avocados, nuts, oily fish) rather than saturated sources (butter, fatty meats, full-fat dairy).

Low-fat · gallbladder

Foods low in Fat

All fats combined: saturated, monounsaturated, polyunsaturated, and trans. Carries fat-soluble vitamins (A, D, E, K) and contributes 9 kcal per gram.

Looking for what Fat is and where it comes from? See the Fat overview.

Why eat low fat?

A standard low-fat diet caps total fat at under 30% of calories, about 67 g on a 2,000-calorie day. Stricter therapeutic diets (gallbladder disease, pancreatitis recovery, some malabsorption conditions) restrict to 20-30 g/day total fat. Low-fat is not the same as "fat-free": healthy fats still play essential roles in vitamin absorption and satiety.

Naturally low-fat foods include most fruits and vegetables, legumes, egg whites, white fish (cod, haddock, sole), shellfish, lean poultry breast, and most grains. Watch the cooking method, even fat-free ingredients can become high-fat through frying, butter additions, or creamy sauces.

For weight loss specifically, low-fat diets are not inherently superior to other approaches, calorie deficit is what drives fat loss, and many "low-fat" packaged products replace fat with sugar to maintain palatability. Whole-food low-fat eating (vegetables, lean proteins, whole grains) tends to be more satiating than low-fat processed substitutes.

Foods lowest in fat, vinegar, honey, beverages, and more

Reference foods ranked by lowest amount per 100 grams, filtered to meaningful foods (excludes water, broths, and ingredients used purely as bulking agents). Values from USDA FoodData Central, McCance & Widdowson's CoFID, ANSES Ciqual, and other public nutrition databases. Amounts in grams.

This list is measured per 100 grams, while our foods high in fat list is measured per calorie. The difference is deliberate: per calorie suits a nutrient you are trying to get more of, but reverses badly for one you are trying to limit, because it rewards a food for carrying plenty of energy and none of the nutrient. Ranked that way, cooking oil would come out lower in sodium than lettuce. When you are watching an amount, grams are what you count.

Common questions

How much fat per day is considered "low fat"?: A standard low-fat diet caps total fat at under 30% of calories, about 67 g on a 2,000-calorie day. Therapeutic low-fat diets for gallbladder disease, pancreatitis recovery, or some malabsorption conditions go stricter, often 20-30 g/day total. Truly fat-free is rarely necessary and usually not desirable, some dietary fat is essential for absorbing vitamins A, D, E, and K.
Are healthy fats (olive oil, avocados, nuts) okay on a low-fat diet?: It depends on the goal. For general "low-fat" eating, healthy unsaturated fats in moderate portions are fine and probably preferable to a fat-stripped processed diet. For strict therapeutic low-fat diets (gallbladder, pancreatitis), even healthy fats need to be limited until tolerance is established with a clinician.
Will eating low-fat help me lose weight?: Low-fat diets are not inherently better than other calorie-controlled approaches for weight loss, fat loss is driven by sustained calorie deficit. Many "low-fat" processed products replace fat with sugar, ending up calorically similar. A whole-food low-fat diet (vegetables, lean protein, whole grains) can work, but so can lower-carb or balanced approaches. The most important factor is what you can sustain.
What about saturated vs unsaturated fat on a low-fat diet?: Even within a low-fat diet, the type of fat matters for heart health. Most guidelines suggest the small amount of fat that fits within a low-fat target should come from unsaturated sources (olive oil, avocados, nuts, oily fish) rather than saturated sources (butter, fatty meats, full-fat dairy).

Why eat low fat?

Foods lowest in fat, vinegar, honey, beverages, and more

Common questions

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