Protein Bar
Protein Bar contains 423 kcal per 100 g. A serving, 1 bar, 52 g (52 g) provides about 220 kcal.
Roughly 40% of its calories come from fat, with 39% from carbohydrates and 21% from protein (estimated with general energy factors).
That is more energy than the typical item in snacks on FoodFactly, where the median is 381 kcal per 100 g across 2,876 products.
100 g provides 80% of the Daily Value for copper, 35% of the Daily Value for manganese and 28% of the Daily Value for magnesium.
The values are label data submitted by the manufacturer to USDA FoodData Central.
Nutrition facts
| Nutrient | Amount per 100 g | % DV |
|---|---|---|
| Calories L | 423 kcal | |
| Total fat L | 19.2 g | 25% |
| Saturated fat L | 3.9 g | 19% |
| Trans fat L | 0 g | |
| Cholesterol L | 0 mg | 0% |
| Sodium L | 385 mg | 17% |
| Total carbohydrates L | 42.3 g | 15% |
| Dietary fiber L | 9.6 g | 34% |
| Total sugars L | 25 g | |
| Added sugars L | 0 g | 0% |
| Protein L | 23.1 g | 46% |
| Vitamin A L | 0 µg | 0% |
| Vitamin C L | 1.1 mg | 1% |
| Vitamin D L | 0 µg | 0% |
| Vitamin E L | 3.8 mg | 25% |
| Thiamin (B1) L | 0.076 mg | 6% |
| Riboflavin (B2) L | 0.3 mg | 23% |
| Niacin (B3) L | 1.2 mg | 7% |
| Pantothenic acid (B5) L | 0.53 mg | 11% |
| Vitamin B6 L | 0.099 mg | 6% |
| Folate (B9) L | 23.4 µg | 6% |
| Vitamin B12 L | 0.032 µg | 1% |
| Calcium L | 77 mg | 6% |
| Iron L | 3.5 mg | 19% |
| Magnesium L | 117 mg | 28% |
| Phosphorus L | 187 mg | 15% |
| Potassium L | 673 mg | 14% |
| Zinc L | 1.4 mg | 13% |
| Copper L | 0.72 mg | 80% |
| Manganese L | 0.81 mg | 35% |
| Selenium L | 5.4 µg | 10% |
| Iodine L | 2.3 µg | 2% |
| Chloride L | 24.7 mg | 1% |
% 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 21%
- Carbohydrates 39%
- Fat 40%
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
Nutritional insights
- Protein23.1 gin the lowest quarter of snacks (median 30 g)
- Fiber9.6 gabove the median for snacks (median 8 g)
- Sugars25 gin the top quarter of snacks (median 8 g)
- Fat19.2 gin the top quarter of snacks (median 14 g)
- Saturated fat3.9 gin the lowest quarter of snacks (median 6.3 g)
- Sodium385 mgin the top quarter of snacks (median 224 mg)
- Protein per 100 kcal5.5 gprotein density, useful for comparing foods with different calorie levels
- Water40 gwater per 100 g, which largely explains differences between raw, cooked and dried forms
Full nutrient profile
Fats and cholesterol (2)
| Monounsaturated fat L | 7.6 g |
|---|---|
| Polyunsaturated fat L | 2.6 g |
Sugars and starch (1)
| Starch L | 1.6 g |
|---|
Individual fatty acids (4)
| EPA (omega-3, 20:5 n-3) L | 0.002 g |
|---|---|
| DHA (omega-3, 22:6 n-3) L | 0.002 g |
| ALA (omega-3, 18:3 n-3) L | 0.01 g |
| Linoleic acid (omega-6, 18:2) L | 0.7 g |
Carotenoids (1)
| Beta-carotene L | 32.2 µg |
|---|
Other components (2)
| Water L | 40 g |
|---|---|
| Alcohol L | 0 g |
Values by source
More than one dataset describes this food. FoodFactly keeps each source's values separately instead of blending them. The headline values above come from USDA FoodData Central: Branded Foods.
| Per 100 g | Open Food Facts | USDA Branded |
|---|---|---|
| Calories | 404 kcal | 423 kcal |
| Protein | 23.1 g | 23.1 g |
| Carbohydrates | 44.2 g | 42.3 g |
| Fat | 15.4 g | 19.2 g |
| Fiber | 5.8 g | 9.6 g |
| Sugars | 34.6 g | 25 g |
| Sodium | 404 mg | 385 mg |
Product details
- Brand
- Rxbar
- Barcode
- 0857777004690
- Label serving
- 1 bar (52 g)
- Category
- Protein bars
- Nutri-Score
- E as computed by Open Food Facts
- NOVA group
- 4 processing level (1 to 4), as classified by Open Food Facts
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| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Protein bar peanut caramel Kruidvat | 423 | 32 g | 33 g | 18 g |
| Multipower 53% Protein Bar Multipower | 423 | 53 g | 19 g | 12 g |
| Hazelnut Protein Bar Quin Bite | 423 | 24 g | 45 g | 15 g |
| Protein kellogs | 423 | 23 g | 44 g | 16 g |
| Cookie Dough ProPud | 423 | 32.7 g | 32.7 g | 21.8 g |
| Bar protéine chocolat Chimpanzee | 423 | 14 g | 50 g | 16 g |
| Crunchy Bar Salted Cashew-Karamell Geschmack Well Plus Trade GmbH | 423 | 32 g | 38 g | 17 g |
| Maple sea salt protein bar Rxbar | 423 | 23.1 g | 42.3 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 Protein Bar?
100 g of Protein Bar has 423 kcal. Serving, 1 bar, 52 g (52 g): about 220 kcal.
Is Protein Bar high in protein?
Protein Bar contains 23.1 g of protein per 100 g (46% of the 50 g Daily Value), or 12 g in serving, 1 bar, 52 g (52 g). About 21% of its calories come from protein. Compared with other snacks, that is in the lowest quarter (median 30 g).
How many carbs are in Protein Bar?
Protein Bar has 42.3 g of total carbohydrates per 100 g, including 9.6 g of fiber and 25 g of sugars.
How much fat is in Protein Bar?
Protein Bar contains 19.2 g of fat per 100 g, of which 3.9 g is saturated (19% of the Daily Value).
What vitamins and minerals does Protein Bar contain?
Per 100 g, the most notable amounts relative to the Daily Value are copper (80% DV), manganese (35% DV), magnesium (28% DV), Vitamin E (25% DV) and Riboflavin (B2) (23% DV). The full list is in the vitamins and minerals table above.
How much sodium is in Protein Bar?
100 g contains 385 mg of sodium, 17% of the 2,300 mg Daily Value.
Where does this nutrition data come from?
From USDA FoodData Central: Branded Foods, record dated October 12, 2026. FoodFactly last checked it on November 6, 2026. Each value above shows whether it was measured, calculated or taken from a label.
Source of the nutrition information
- Open Food Facts, record 0857777004690. License: ODbL 1.0 (Open Food Facts). Source record dated October 12, 2026. Imported November 6, 2026.
- USDA FoodData Central: Branded Foods, record 2609152. License: CC0 1.0 (U.S. public domain). Source record dated June 30, 2023. Imported November 6, 2026.
Last updated: . Data quality score: 100/100 (how it is calculated).
General nutrition information, not medical advice. Individual needs differ; see our disclaimer.