Granola: Is Granola Healthy? Nutrition, Calories and Sugar

Granola is a mix of rolled oats baked with oil and a sweetener, usually with nuts, seeds or dried fruit, until it turns crisp and clustered. Is granola healthy? It can be a whole-grain food with useful fiber, magnesium and vitamin E, but it is also calorie-dense and often sweetened, so the label and the portion matter more than the word on the box. USDA data put a cup of homemade-style granola near 600 calories. This guide covers granola nutrition and granola calories from USDA SR Legacy, added sugar rules, granola vs oatmeal, allergens, and how to choose or make a less sugary mix.

Peptide Labs does not sell granola or cereal products. This article is general nutrition information, not medical advice.

What is granola made of?

Classic granola starts with rolled oats, which are tossed with oil or butter and a sweetener such as honey, maple syrup, brown sugar or brown rice syrup, then baked. Common add-ins are almonds, walnuts, pumpkin seeds, coconut, raisins and other dried fruit, and sometimes chocolate. Muesli is the unbaked cousin, usually without added oil or sweetener. Granola bars press similar ingredients into a bar, often with extra syrup to bind them. Because recipes vary so much, two granolas can differ several-fold in sugar and fat.

Granola nutrition: USDA values

USDA SR Legacy has an entry for homemade granola, shown here per ounce (about a quarter cup, depending on how clustered it is) and per cup, with percent Daily Values. Total sugars have no Daily Value.

The nutrients come mostly from the oats, nuts and seeds: magnesium, zinc and thiamin from the whole grain, and vitamin E and much of the fat from nuts and oil. The flip side is energy density. At 489 calories per 100 grams, this granola has more calories by weight than most other breakfast foods, which is why granola calories add up fast when it is poured freely into a bowl. Note that USDA reports total sugars only; it does not say how much came from honey or syrup versus dried fruit.

How much sugar is in granola?

The table compares granola with plain oats and related products per 100 grams, so the products can be compared on equal weight.

Plain oats have almost no sugar, while the two granolas carry about 20 to 25 grams of total sugars per 100 grams. For the commercial granola, USDA’s half-cup serving (51 grams) comes to 210 calories, 12.6 grams of total sugars and 4.8 grams of fiber. Some of that sugar is from raisins, which counts as naturally occurring, and some from honey, which counts as added. The hard granola bar has the most sugar of the group and far more sodium.

To judge added sugar, use the Nutrition Facts label, which lists added sugars separately. FDA’s Daily Value for added sugars is 50 grams on a 2,000-calorie diet. The Dietary Guidelines for Americans, 2025-2030, say no amount of added sugars is recommended as part of a healthy diet and that one meal should contain no more than 10 grams of added sugars; the 2020-2025 edition advised keeping added sugars under 10 percent of calories from age 2. The newer guidelines also list names to watch for, including honey, agave syrup, rice syrup, cane sugar and fruit juice concentrate. Our guides to honey vs sugar and brown vs white sugar explain why those swaps change little, and some low-sugar granolas use sugar alcohols instead, covered in our sugar alcohols guide.

Is granola healthy?

• In its favor: granola is built on whole-grain oats and often includes nuts and seeds, which bring fiber, unsaturated fats, magnesium, zinc and vitamin E. The 2025-2030 Dietary Guidelines advise prioritizing fiber-rich whole grains.
• Against it: many granolas are sweetened and baked with oil, which makes them calorie-dense and sometimes high in added sugar. The same guidelines advise cutting back on packaged breakfast options and other highly processed refined carbohydrates; a sweetened, clustered granola can fall into that group even though oats are whole grain.
• Portion: labels list serving sizes in grams, and they vary by brand. Comparing products per serving can mislead if one serving is half the size of another, so compare grams of added sugar and fiber per 100 grams or per the same weight.
• Context: a small amount of granola sprinkled on plain yogurt and fruit is a different meal from a full bowl with sweetened milk. Our calorie-dense foods guide explains why foods like granola and nuts are handy for some people and easy to overeat for others.

Granola vs oatmeal

Both start with the same oats. Oatmeal is oats cooked in water or milk, which adds volume and water with no added sugar or fat unless you add them. Granola is oats baked with fat and sweetener, which removes water and concentrates calories. Per 100 grams of dry product, rolled oats in USDA data have 379 calories and about 1 gram of sugar, versus 412 to 489 calories and 20 to 25 grams of sugar for the granolas above. Our oats guide covers oat fiber and the different oat cuts, and our fiber-rich foods guide compares grains.

Allergens, gluten and label checks

• Allergens: granola often contains tree nuts, peanuts, milk, soy, wheat or sesame, all among the nine major food allergens that FDA requires labels to declare. Since January 2025 FDA no longer lists coconut as a tree nut for allergen labeling, so coconut may not appear in the allergen statement.
• Gluten: oats are often grown and processed alongside wheat, barley and rye, and many granolas contain wheat or barley malt. People with celiac disease should look for a gluten-free label (under FDA rules, less than 20 parts per million gluten) and talk with their clinician about oats.
• Label checks: look at added sugars, fiber, the serving size in grams, and the first ingredients. Oats or nuts first is a better sign than sugar or syrup first.

How to choose or make a less sugary granola

• Use it as a topping: sprinkle a little over plain Greek yogurt and fresh fruit for crunch, protein and fiber together.
• Make your own: homemade granola lets you control sweetener and oil; spices such as cinnamon and vanilla add flavor without sugar, and seeds such as chia add fiber.
• Mix with plain cereal: stretching granola with plain rolled oats or puffed whole grains lowers the sugar per bowl.
• Snacking: granola bars and clusters are convenient but often sweeter than loose granola; our snack guide and sugar cravings guide have more ideas.

For a much lighter crunchy grain snack with fewer calories and less fiber, see our sibling guide to rice cakes. If you are eating smaller meals on a GLP-1 medicine, our GLP-1 diet guide explains why nutrient-dense, protein-forward choices matter.

Frequently Asked Questions

Questions about a label? Contact us or read our Buyer’s Guide. Food comes first; follow the label and ask a healthcare provider before starting a supplement, especially if you take medicines, are pregnant or have a food allergy. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Last reviewed October 2026.

Related guides: Rice Cakes: Are Rice Cakes Healthy? Calories, Nutrition, Arsenic, Oats Benefits: USDA Oatmeal Nutrition, Beta-Glucan and the FDA Claim, Healthy Snacks for Weight Loss: USDA Nutrition Table and What Research Shows, Muesli: Nutrition, Added Sugars, Oats and Gluten, and How to Eat It.