Are Chips Bad for Fatty Liver? Potato, Tortilla and Swaps

TL;DR

• Chips are a classic ultra-processed snack: refined potato or corn starch, frying oil and salt, about 150 calories an ounce, and very easy to eat by the bag.
• In observational studies, eating more ultra-processed food is linked to a higher risk of fatty liver disease, and the European liver guideline recommends limiting it.
• Keep chips to an occasional 1-ounce bowl, and make crunchier swaps with more fiber or protein your everyday snack: air-popped popcorn, nuts, or vegetables with hummus.

Chips aren’t good for fatty liver, though an occasional small portion won’t harm it. The problem is what they are and how they’re eaten: refined starch fried in oil and salted, at about 150 calories an ounce, in bags that are easy to finish without noticing.

For people with MASLD (formerly NAFLD), that matters because weight loss is the most reliable way to shrink liver fat, and chips make extra calories effortless. Here’s what the research shows and what to reach for instead.

Why Are Chips a Problem for a Fatty Liver?

Plain potato chips are not especially high in saturated fat, about 1 g per ounce. Their issues are different:

• Calorie density. An ounce of plain potato chips has 151 calories and 9.6 g of fat (USDA). An 8-ounce bag holds roughly 1,200 calories.
• Little to fill you up. That ounce brings under 1 g of fiber and under 2 g of protein, so it doesn’t take the edge off hunger for long.
• Refined starch. Potato and corn chips are mostly fast-digesting starch, the kind of refined carbohydrate the AASLD links, along with saturated fat and sugary drinks, to obesity and fatty liver.
• Salt. The chips in the table below carry 93 to 242 mg of sodium per ounce, and it adds up quickly over a few handfuls.

There’s also a weight story. In an analysis of three US cohorts totaling 120,877 adults, tracked in 4-year periods, each extra daily serving of potato chips was linked to about 1.7 lb more weight gain over four years, the strongest association of any food studied. Sugary drinks came in at 1.0 lb, while nuts were linked to 0.6 lb less gain. This was observational, but it fits what people notice in real life.

That matters because weight is the main lever for a fatty liver. The 2024 European guideline sets targets of at least 5% weight loss to reduce liver fat, 7–10% to improve inflammation and 10% or more to improve fibrosis. See how to reverse fatty liver.

What Does Research Say About Ultra-Processed Food and Fatty Liver?

Chips are one of the most common ultra-processed foods: industrial products built from refined ingredients, oils and additives. Here’s what the evidence says:

• The European liver guideline (2024) recommends “limiting the consumption of ultra-processed food (rich in sugars and saturated fat)” for adults with MASLD. It also names the wide availability of cheap ultra-processed, high-sugar foods and drinks as an important factor in obesity and MASLD.
• A 2025 meta-analysis of 10 observational studies with 513,440 people found that those eating the most ultra-processed food had a 22% higher risk of fatty liver than those eating the least. Each 10% increase in the share of ultra-processed food was linked to a 6% higher risk. The studies varied a lot, and none can prove cause and effect.
• A controlled feeding trial at the US National Institutes of Health gave 20 adults an ultra-processed diet and an unprocessed diet for two weeks each, matched for the calories, sugar, fat, fiber and sodium offered. On the ultra-processed diet, people ate about 500 calories a day more and gained about 0.9 kg (2 lb). On the unprocessed diet, they lost about the same.

The 2025–2030 Dietary Guidelines for Americans are blunt about it too: avoid highly processed packaged foods that are salty or sweet, “such as chips, cookies, and candy.”

One caveat: ultra-processed food is a broad category, and studies rarely look at chips on their own. The clearest problem with chips is how easily they add calories.

How Do Chips Compare With Other Crunchy Snacks?

Here’s a 1-ounce (28 g) serving of common snacks side by side:

Snack (1 oz, 28 g)	Calories	Fat	Saturated fat	Fiber	Protein	Sodium
Potato chips, plain, salted	151	9.6 g	1.0 g	0.9 g	1.8 g	149 mg
Potato chips, reduced fat	134	5.9 g	1.2 g	1.7 g	2.0 g	162 mg
Potato crisps, baked	133	5.2 g	0.7 g	1.4 g	1.4 g	152 mg
Tortilla chips, plain	134	5.9 g	0.8 g	1.5 g	2.0 g	93 mg
Tortilla chips, baked, low fat	127	1.6 g	0.2 g	1.5 g	3.1 g	147 mg
Pita chips, salted	130	4.3 g	0.4 g	1.1 g	3.3 g	242 mg
Pretzels, hard, salted	109	0.8 g	0.1 g	1.0 g	2.9 g	352 mg
Microwave popcorn, butter flavor	152	8.6 g	4.1 g	2.8 g	2.4 g	216 mg
Popcorn, air-popped (about 3½ cups)	110	1.3 g	0.2 g	4.1 g	3.7 g	2 mg
Almonds, dry roasted, salted (about 22)	170	14.9 g	1.2 g	3.1 g	5.9 g	66 mg
Pistachios, dry roasted, salted (about 49)	161	13.0 g	1.6 g	2.9 g	6.0 g	121 mg

Source: USDA FoodData Central (SR Legacy).

What the numbers show:

• Baked and reduced-fat chips save about 20 calories an ounce. That helps a little, but they’re still refined starch with little fiber, and their sodium isn’t lower.
• Pretzels are low in fat but the saltiest snack here, with almost no fiber.
• Butter-flavored microwave popcorn has more saturated fat than potato chips, so “popcorn” alone isn’t the win. Plain air-popped popcorn is, with the most fiber for the fewest calories; see is popcorn good for fatty liver.
• Nuts have more calories per ounce, but they bring three times the protein of chips, more fiber and mostly unsaturated fat. Nuts are part of the Mediterranean pattern liver guidelines recommend, and in those US cohorts they were linked to less weight gain, not more. Portion still matters: an ounce is a small handful.

How Much Salt Is in Chips?

Per ounce, plain chips aren’t the saltiest food in the pantry: about 150 mg, or 6–7% of the FDA’s 2,300 mg Daily Value. The FDA’s rule of thumb is that 5% of the Daily Value per serving is low and 20% or more is high.

The trouble is that few people stop at an ounce, and flavored chips, pita chips and pretzels run higher. Four ounces of pretzels is about 1,400 mg, more than half a day’s sodium. Our guide to salt and fatty liver explains why sodium matters for your heart and blood pressure.

If you have cirrhosis with fluid buildup, your care team may set a stricter sodium limit, and salty snacks are an easy place to cut. Follow their plan, and see our cirrhosis diet guide.

How to Eat Chips Without Overdoing It

Chips don’t have to disappear. These habits keep them small:

• Bowl, not bag. Pour one ounce into a bowl and put the bag away. Single-serve bags do the measuring for you.
• Don’t stock family-size bags. It’s easier to skip chips at the store than at 9 p.m.
• Pair them. Salsa, pico de gallo or bean dip make a few chips go further. Queso and creamy dips add saturated fat and sodium.
• Read the label. Compare sodium per serving, and check the serving size: many bags hold more than one.
• Make your own. Corn tortilla wedges or thin potato slices, brushed with a little olive oil and baked, put you in control of the oil and salt.

When the craving is really for crunch, try one of these instead:

Instead of	Try
A bag of potato chips	3–4 cups of air-popped popcorn with herbs or spices
Chips as an afternoon snack	A small handful of almonds or pistachios
Chips and dip	Cucumber, bell pepper, carrot or jicama sticks with hummus or salsa
Pretzels	Roasted chickpeas, lightly salted
Chips with a sandwich	A side salad or fruit

If snacks are where your calories drift, an app like Liverly can log a bowl of chips in seconds and show how it fits your day.

The Bottom Line

Chips aren’t toxic to your liver, but as a habit they work against it. They’re refined starch, oil and salt with little fiber or protein, they’re easy to overeat, and higher ultra-processed food intake is linked to a higher risk of fatty liver. The European liver guideline recommends limiting ultra-processed food, and the US Dietary Guidelines name chips specifically.

Keep chips to an occasional 1-ounce bowl, pair them with salsa or beans, and make air-popped popcorn, nuts and crunchy vegetables your everyday snacks. For the rest of the list, see foods to avoid with fatty liver.

Sources

• EASL–EASD–EASO Clinical Practice Guidelines on the management of metabolic dysfunction-associated steatotic liver disease (MASLD). J Hepatol. 2024.
• Zhang J, et al. Ultra-processed foods and non-alcoholic fatty liver disease: an updated systematic review and dose-response meta-analysis. Front Nutr. 2025.
• Hall KD, et al. Ultra-Processed Diets Cause Excess Calorie Intake and Weight Gain: An Inpatient Randomized Controlled Trial of Ad Libitum Food Intake. Cell Metab. 2019.
• Mozaffarian D, et al. Changes in diet and lifestyle and long-term weight gain in women and men. N Engl J Med. 2011.
• USDA FoodData Central: Snacks, potato chips, plain, salted (FDC ID 169677).

This article is for informational purposes only and is not medical advice. Talk to your doctor or hepatologist about your specific situation.