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Rx Bar
Rx Bar by RXBAR provides 404 kcal per 100 g, with 30.8 g of sugars and 23.1 g of protein. That is 141% more sugar than the average product in this category. Its Nutri-Score is E. It is listed in the P category.
Nutrient levels per 100 g
Levels use UK front-of-pack reference thresholds.
Nutrition facts
Serving size: 1 bar (52 g)
| Nutrient | Per 100 g | Per serving | % DV* | Category avg |
|---|---|---|---|---|
| Calories | 404 kcal | 210 kcal | 394 | |
| Total fat | 15.4 g | 8 g | 10% | 16.2 −5% |
| Saturated fat | 2.9 g | 1.5 g | 8% | 4 −29% |
| Carbohydrates | 44.2 g | 23 g | 8% | 32.4 +37% |
| Total sugars | 30.8 g | 16 g | 12.8 +141% | |
| Added sugarsUSDA | 0 g | 0 g | 0% | 0.5 −100% |
| Protein | 23.1 g | 12 g | 24% | 30.4 −24% |
| Salt | 0.8 g | 0.4 g | 0.7 +14% |
*% Daily Value for a serving, based on a 2,000-calorie diet (FDA reference values). Category average across 7 P products on Foodmetria.
Serving size and added sugars from the US product label in USDA FoodData Central, label data from July 2023. Other values: Open Food Facts.
Compared with other p
Bar shows the share of products in this category that contain less of the nutrient.
Product details
- Serving size
- 1 bar (52 g)
- Sold in
- United States
- Barcode
- 0193908002501
Prices reported by shoppers
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Frequently asked questions
How many calories are in Rx Bar?
Rx Bar contains 404 kcal per 100 g and about 210 kcal per serving (1 bar (52 g)).
How much sugar is in Rx Bar?
Rx Bar has 30.8 g of sugars per 100 g, which is considered high by UK front-of-pack guidelines.
Is Rx Bar healthy?
It has a Nutri-Score of E (A is best, E is worst). Scores describe nutritional quality and processing, not suitability for your individual diet.
Source: Open Food Facts (ODbL). Last updated December 25, 2025. Spotted a mistake? Edit this product on Open Food Facts. Not medical advice — always check the package label.
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