Rxbar Peanut Butter
Rxbar Peanut Butter contains 385 kcal per 100 g. A serving, 1 bar, 52 g (52 g) provides about 200 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 33% of the Daily Value for copper, 31% of the Daily Value for Niacin (B3) and 31% of the Daily Value for manganese.
The values are label data submitted by the manufacturer to USDA FoodData Central.
Nutrition facts
| Nutrient | Amount per 100 g | % DV |
|---|---|---|
| Calories L | 385 kcal | |
| Total fat L | 13.5 g | 17% |
| Saturated fat L | 1.9 g | 10% |
| Trans fat L | 0 g | |
| Cholesterol L | 0 mg | 0% |
| Sodium L | 596 mg | 26% |
| Total carbohydrates L | 48.1 g | 17% |
| Dietary fiber L | 9.6 g | 34% |
| Total sugars L | 28.8 g | |
| Added sugars L | 0 g | 0% |
| Protein L | 23.1 g | 46% |
| Vitamin A L | 0 µg | 0% |
| Vitamin C L | 1.5 mg | 2% |
| Vitamin D L | 0 µg | 0% |
| Vitamin E L | 1.2 mg | 8% |
| Thiamin (B1) L | 0.19 mg | 16% |
| Riboflavin (B2) L | 0.22 mg | 17% |
| Niacin (B3) L | 4.9 mg | 31% |
| Pantothenic acid (B5) L | 1.2 mg | 23% |
| Vitamin B6 L | 0.25 mg | 15% |
| Folate (B9) L | 46.5 µg | 12% |
| Vitamin B12 L | 0.036 µg | 1% |
| Choline L | 0 mg | 0% |
| Calcium L | 77 mg | 6% |
| Iron L | 2.1 mg | 12% |
| Magnesium L | 107 mg | 25% |
| Phosphorus L | 196 mg | 16% |
| Potassium L | 673 mg | 14% |
| Zinc L | 1.3 mg | 12% |
| Copper L | 0.3 mg | 33% |
| Manganese L | 0.71 mg | 31% |
| Selenium L | 15.8 µg | 29% |
| Iodine L | 14 µg | 9% |
| Chloride L | 555 mg | 24% |
% 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%
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)
- Sugars28.8 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)
- Sodium596 mgin the top quarter of snacks (median 224 mg)
- Protein per 100 kcal6 gprotein density, useful for comparing foods with different calorie levels
- Water46.9 gwater per 100 g, which largely explains differences between raw, cooked and dried forms
Full nutrient profile
Fats and cholesterol (2)
| Monounsaturated fat L | 10.2 g |
|---|---|
| Polyunsaturated fat L | 5.2 g |
Sugars and starch (1)
| Starch L | 0 g |
|---|
Individual fatty acids (4)
| EPA (omega-3, 20:5 n-3) L | 0.004 g |
|---|---|
| DHA (omega-3, 22:6 n-3) L | 0.004 g |
| ALA (omega-3, 18:3 n-3) L | 0.017 g |
| Linoleic acid (omega-6, 18:2) L | 5.2 g |
Carotenoids (1)
| Beta-carotene L | 43.7 µg |
|---|
Other components (2)
| Water L | 46.9 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 | 365 kcal | 385 kcal |
| Protein | 23.1 g | 23.1 g |
| Carbohydrates | 46.2 g | 48.1 g |
| Fat | 13.5 g | 13.5 g |
| Fiber | 7.7 g | 9.6 g |
| Sugars | 32.7 g | 28.8 g |
| Sodium | 577 mg | 596 mg |
Product details
- Brand
- RXBAR
- Barcode
- 0857777004201
- Quantity
- 1 bar (52g)
- Label serving
- 1 bar (52 g)
- Category
- Protein bars
- NOVA group
- 4 processing level (1 to 4), as classified by Open Food Facts
Similar products
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Ready Clean Protein Bar READY | 385 | 28.8 g | 44.2 g | 13.5 g |
| Barre snack protéinée Kruidvat | 385 | 29 g | 40 g | 12 g |
| Isostar Reload Sport Bar 3 x Isostar | 385 | 26 g | 49 g | 9.3 g |
| Protein Bar, Chocolate Peanut Butter Ready Clean | 385 | 28.8 g | 44.2 g | 13.5 g |
| RXBAR MINIS Chocolate Sea Salt KELLANOVA | 385 | 23.1 g | 46.2 g | 15.4 g |
| Fitking protein Caramel peanut All nutrition | 385 | 21.8 g | 35 g | 20.5 g |
| The Protein Deal Crunchy Milk Chocolate Coated Enervit | 385 | 36 g | 30 g | 17 g |
| Protein Bars Blueberry Good & Gather | 385 | 25 g | 44.2 g | 13.5 g |
Per 100 g. Calories in kcal. n/a: not reported by the source.
Frequently asked questions
How many calories are in Rxbar Peanut Butter?
100 g of Rxbar Peanut Butter has 385 kcal. Serving, 1 bar, 52 g (52 g): about 200 kcal.
Is Rxbar Peanut Butter high in protein?
Rxbar Peanut Butter 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 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 Rxbar Peanut Butter?
Rxbar Peanut Butter has 48.1 g of total carbohydrates per 100 g, including 9.6 g of fiber and 28.8 g of sugars.
How much fat is in Rxbar Peanut Butter?
Rxbar 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 Rxbar Peanut Butter contain?
Per 100 g, the most notable amounts relative to the Daily Value are copper (33% DV), Niacin (B3) (31% DV), manganese (31% DV), selenium (29% DV) and magnesium (25% DV). The full list is in the vitamins and minerals table above.
How much sodium is in Rxbar Peanut Butter?
100 g contains 596 mg of sodium, 26% of the 2,300 mg Daily Value.
Where does this nutrition data come from?
From USDA FoodData Central: Branded Foods, record dated July 11, 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
- USDA FoodData Central: Branded Foods, record 2670059. License: CC0 1.0 (U.S. public domain). Source record dated August 21, 2020. Imported November 6, 2026.
- Open Food Facts, record 0857777004201. License: ODbL 1.0 (Open Food Facts). Source record dated July 11, 2026. 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.