Rx Peanut Butter

Packaged product Snacks Rxbar

Rx Peanut Butter contains 404 kcal per 100 g. A serving, 1 portion, 52 g (52 g) provides about 210 kcal.

Roughly 47% of its calories come from carbohydrates, with 30% from fat and 23% from protein (estimated with general energy factors).

That is close to the median for snacks on FoodFactly (381 kcal per 100 g).

100 g provides 801% of the Daily Value for iron and 16% of the Daily Value for potassium.

The values are as declared on the product label and entered by Open Food Facts contributors.

Rx Peanut Butter by Rxbar, product photo
Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors
404kcal per 100 g
23.1 gprotein
48.1 gcarbohydrates
13.5 gfat
210kcal in serving, 1 portion, 52 g (52 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories L 404 kcal
Total fat L 13.5 g 17%
Saturated fat L 1.9 g 10%
Sodium L 577 mg 25%
Total carbohydrates L 48.1 g 17%
Dietary fiber L 5.8 g 21%
Total sugars L 36.5 g
Added sugars L 0 g 0%
Protein L 23.1 g 46%
Calcium L 57.7 mg4%
Iron L 144 mg801%
Potassium L 769 mg16%

% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.

Nutritional breakdown

Protein: 23%Carbohydrates: 47%Fat: 30%404kcal / 100 g
  • Protein 23%
  • Carbohydrates 47%
  • Fat 30%

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Vitamins and minerals, % Daily Value per 100 g

Iron801%Potassium16%Calcium4%

Nutritional insights

  • Protein23.1 gin the lowest quarter of snacks (median 30 g)
  • Fiber5.8 gbelow the median for snacks (median 8 g)
  • Sugars36.5 gin the top quarter of snacks (median 8 g)
  • Fat13.5 gbelow the median for snacks (median 14 g)
  • Saturated fat1.9 gin the lowest quarter of snacks (median 6.3 g)
  • Sodium577 mgin the top quarter of snacks (median 224 mg)
  • Protein per 100 kcal5.7 gprotein density, useful for comparing foods with different calorie levels

Product details

Brand
Rxbar
Barcode
0859162007668
Label serving
1 portion (52 g)
Category
Protein bars
NOVA group
4 processing level (1 to 4), as classified by Open Food Facts

Ingredients

peanuts, egg whites, dates, sea salt, and natural flavors

As listed on the package and transcribed by Open Food Facts contributors. Always check the package for allergens.

Ingredient guides: PeanutEggSalt

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Peanut Butter Chocolate RXBAR 404 23.1 g 44.2 g 17.3 g
Coconut Chocolate RXBAR 404 23.1 g 44.2 g 17.3 g
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RX Bar RXBAR 404 23.1 g 46.2 g 17.3 g

Per 100 g. Calories in kcal. n/a: not reported by the source.

Frequently asked questions

How many calories are in Rx Peanut Butter?

100 g of Rx Peanut Butter has 404 kcal. Serving, 1 portion, 52 g (52 g): about 210 kcal.

Is Rx Peanut Butter high in protein?

Rx Peanut Butter contains 23.1 g of protein per 100 g (46% of the 50 g Daily Value), or 12 g in serving, 1 portion, 52 g (52 g). About 23% of its calories come from protein. Compared with other snacks, that is in the lowest quarter (median 30 g).

How many carbs are in Rx Peanut Butter?

Rx Peanut Butter has 48.1 g of total carbohydrates per 100 g, including 5.8 g of fiber and 36.5 g of sugars. Label conventions differ: in the EU and some other regions carbohydrates are declared without fiber.

How much fat is in Rx Peanut Butter?

Rx Peanut Butter contains 13.5 g of fat per 100 g, of which 1.9 g is saturated (10% of the Daily Value).

What vitamins and minerals does Rx Peanut Butter contain?

Per 100 g, the most notable amounts relative to the Daily Value are iron (801% DV) and potassium (16% DV). The full list is in the vitamins and minerals table above.

How much sodium is in Rx Peanut Butter?

100 g contains 577 mg of sodium, 25% of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From Open Food Facts, record dated April 10, 2026. FoodFactly last checked it on November 7, 2026. Each value above shows whether it was measured, calculated or taken from a label.

Source of the nutrition information

  • Open Food Facts, record 0859162007668. License: ODbL 1.0 (Open Food Facts). Source record dated April 10, 2026. Imported November 7, 2026.

Last updated: . Data quality score: 95/100 (how it is calculated).

Product data from Open Food Facts, made available under the Open Database License. Values are as declared on the label; labels can change over time, so check the package you have.

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.