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Noodle soup (sopa de fideo)

Per 100 g (3.5 oz), noodle soup (sopa de fideo) provides 2.5 g of protein, 1.1 g of fiber, and 95 kcal, a low energy density.

USDA description: Noodle soup (sopa de fideo)

  • Easy to digest
  • Low energy density

Estimated satietyHow it is calculated

Starting point+1
Low energy density: 95 kcal/100 g+1
Protein: 2.7 g/100 kcal0
Fiber: 1.2 g/100 kcal0
Soup or stew, not a drink, with 79.4 g of water+1

Our own estimate from the values per 100 g: useful for comparing foods with each other, not a measurement in people. Holt index (1995): this food was not measured.

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Last updated
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Sources
8 primary
Data
USDA FDC 2709161

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Nutrition facts

Calories
238 kcal per serving
95 kcal per 100 g (3.5 oz)
Protein
6.4 g per serving
2.5 g per 100 g (3.5 oz)
Carbohydrates
34.3 g per serving
13.7 g per 100 g (3.5 oz)
of which sugars
2.9 g per serving
1.2 g per 100 g (3.5 oz)
Fiber
2.8 g per serving
1.1 g per 100 g (3.5 oz)
Fat
8.2 g per serving
3.3 g per 100 g (3.5 oz)
of which saturated
1.2 g per serving
0.5 g per 100 g (3.5 oz)
Water
198.6 g per serving
79.4 g per 100 g (3.5 oz)

Source: USDA FoodData Central (FNDDS 2021-2023): Soup, sopa de fideo aguada (FDC ID 2709161), accessed September 23, 2026.

A typical 250 g (9 oz) serving provides about 238 kcal, 6.4 g of protein, and 2.8 g of fiber.

The typical serving (250 g (9 oz)) is a common amount used for the math, not a recommendation. Ounces and cups are rounded US equivalents; the values come from the database entry cited in the sources.

What it is and how to eat it

The Dictionary of the Spanish Language defines fideo as a flour pasta shaped like a thin string and gives noodle soup (sopa de fideos) as an example of soup, a dish of broth with one or more solid ingredients cooked in it. This page uses USDA's sopa de fideo aguada, whose recipe is water and cooked pasta in equal parts (39% each), 15% tomato purée and some onion, oil and salt, with 95 kcal, 2.54 g of protein and 3.29 g of fat per 100 g; with broth, more oil or more noodles the figures change.

A 250 g (8.8 oz) bowl, slightly more than the 245 g cup USDA uses for this soup, provides 238 kcal but only 6.4 g of protein, so it is soft and easy to eat when appetite is low but is not enough as a main dish. The 2025 nutrition advisory on GLP-1 therapy suggests eating protein-rich foods first and having small, frequent meals, so it helps to add shredded chicken, an egg or diced fresh cheese, or to serve half a bowl alongside a portion of protein. It is low in fat and fiber, which fits the first few days of treatment, when the same advisory suggests avoiding fatty and very high-fiber foods.

What the evidence says

With USDA's reference recipe, protein supplies about 11% of its energy, below the 12% the EU requires for a "source of protein" claim (Regulation (EC) No 1924/2006). It has 267 mg of sodium per 100 g according to USDA, about 670 mg per bowl, a third of the 2,000 mg a day the WHO recommends not exceeding. With 79 g of water per 100 g, a bowl provides about 199 g, almost a tenth of the 2.0 liters of total water a day EFSA sets as the adequate intake for adult women (2.5 liters for men), a reference that counts drinks and food. The Singapore Food Agency links the vomiting type of Bacillus cereus with starch-rich foods, such as rice, noodles and pasta, kept for a long time between 5 and 60 °C (41 and 140 °F), and advises keeping food that is not eaten right away at 4 °C (39 °F) or colder or at 60 °C (140 °F) or hotter, because cooking does not kill its spores or deactivate toxins that have already formed.

The sources for this section are listed under "Sources" at the end of the page.

Satiety

The 1 to 5 score is our own estimate: it starts at 1 point, adds points for low energy density, for protein and fiber per 100 kcal, and for the water in solid foods, and subtracts points for drinks with calories. It is useful for comparing foods with each other; it is not a measurement in people.

What to keep in mind on a GLP-1 medication

Easy to digest
It is a soft or low-fat food that many people tolerate well when they feel nauseous or get full quickly. This is an editorial judgment based on common patient guidance, not a measurement: everyone tolerates foods differently.
Low energy density
It has 100 kcal or less per 100 g: plenty of volume for few calories, which helps you feel full. On a GLP-1 medication, which already reduces your appetite, make sure these foods do not push protein foods off your plate.

Frequently asked questions about noodle soup (sopa de fideo)

How much protein is in a 250 g (9 oz) serving of noodle soup (sopa de fideo)?

100 g (3.5 oz) of noodle soup (sopa de fideo) has 2.5 g of protein. A typical 250 g (9 oz) serving has about 6.4 g of protein. That is 2.7 g of protein per 100 kcal.

How many calories does a 250 g (9 oz) serving of noodle soup (sopa de fideo) have?

100 g (3.5 oz) of noodle soup (sopa de fideo) has 95 kcal. A typical 250 g (9 oz) serving has about 238 kcal. That is a low energy density.

Does noodle soup (sopa de fideo) have fiber?

100 g (3.5 oz) of noodle soup (sopa de fideo) has 1.1 g of fiber. A typical 250 g (9 oz) serving has about 2.8 g of fiber.

Is noodle soup (sopa de fideo) filling?

Moderately: our estimated satiety score is 3 out of 5. It is based on: our rule adds points for low energy density, for protein and fiber per 100 kcal, and for water in solid foods, and subtracts points for drinks with calories. It is an estimate based on its composition, not a measurement in people.

How does noodle soup (sopa de fideo) sit with nausea from a GLP-1 medication?

Based on our tags, this is what matters about noodle soup (sopa de fideo) on a GLP-1 medication. “Easy to digest”: a soft or low-fat food that many people tolerate well when they feel nauseous or get full quickly. “Low energy density”: plenty of volume for few calories; make sure it does not push protein foods off your plate. These are general guidelines, not medical advice: everyone tolerates foods differently.

What counts as a normal serving of noodle soup (sopa de fideo)?

We use 250 g (9 oz) as a typical serving. That amount provides about 238 kcal, 6.4 g of protein, and 2.8 g of fiber. It is a reference for calculations, not a recommendation of how much to eat.

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Sources

Sources for the data on this page, with the access date.

  1. Official databaseU.S. Department of Agriculture, Agricultural Research Service.USDA FoodData Central (FNDDS 2021-2023): Soup, sopa de fideo aguada (FDC ID 2709161).accessed .
  2. InstitutionRoyal Spanish Academy and Association of Academies of the Spanish Language (RAE-ASALE).Diccionario de la lengua española (Dictionary of the Spanish Language, 23rd ed., online version): "fideo" (in Spanish).accessed .
  3. InstitutionRoyal Spanish Academy and Association of Academies of the Spanish Language (RAE-ASALE).Diccionario de la lengua española (Dictionary of the Spanish Language, 23rd ed., online version): "sopa" (in Spanish).accessed .
  4. Clinical guidelineObesity (Wiley).Mozaffarian D, et al. Nutritional priorities to support GLP-1 therapy for obesity: A joint Advisory from the American College of Lifestyle Medicine, the American Society for Nutrition, the Obesity Medicine Association, and The Obesity Society. Obesity. 2025;33(8):1475-1503. doi:10.1002/oby.24336.accessed .
  5. RegulatorOfficial Journal of the European Union (EUR-Lex).Regulation (EC) No 1924/2006 on nutrition and health claims made on foods (Annex).accessed .
  6. InstitutionWorld Health Organization.Sodium reduction.accessed .
  7. RegulatorEFSA Journal.EFSA Panel on Dietetic Products, Nutrition and Allergies (NDA). Scientific Opinion on Dietary Reference Values for water. EFSA Journal. 2010;8(3):1459. doi:10.2903/j.efsa.2010.1459.accessed .
  8. RegulatorSingapore Food Agency.B. cereus in Rice-based Food, 15 July 2021.accessed .