Rock Salt
Packaged product Spices, Herbs and Condiments Sainsbury's
Rock Salt contains 320 kcal per 100 g. A serving, 0.5 cup, 50 g (50 g) provides about 160 kcal.
Roughly 91% of its calories come from carbohydrates, with 9% from protein and 0% from fat (estimated with general energy factors).
100 g provides 20% of the Daily Value for iron and 17% of the Daily Value for copper.
The values are label data submitted by the manufacturer to USDA FoodData Central.
Nutrition facts
| Nutrient | Amount per 100 g | % DV |
|---|---|---|
| Calories L | 320 kcal | |
| Total fat L | 0 g | 0% |
| Saturated fat L | 0 g | 0% |
| Trans fat L | 0 g | |
| Cholesterol L | 0 mg | 0% |
| Sodium L | 110 mg | 5% |
| Total carbohydrates L | 78 g | 28% |
| Dietary fiber L | 10 g | 36% |
| Total sugars L | 16 g | |
| Added sugars L | 0 g | 0% |
| Protein L | 8 g | 16% |
| Vitamin A L | 0 µg | 0% |
| Vitamin C L | 4.8 mg | 5% |
| Vitamin D L | 0 µg | 0% |
| Vitamin E L | 0 mg | 0% |
| Thiamin (B1) L | 0 mg | 0% |
| Riboflavin (B2) L | 0 mg | 0% |
| Niacin (B3) L | 0 mg | 0% |
| Pantothenic acid (B5) L | 0 mg | 0% |
| Vitamin B6 L | 0 mg | 0% |
| Folate (B9) L | 0 µg | 0% |
| Vitamin B12 L | 0 µg | 0% |
| Calcium L | 0 mg | 0% |
| Iron L | 3.6 mg | 20% |
| Magnesium L | 3.2 mg | 0.8% |
| Phosphorus L | 8 mg | 0.6% |
| Potassium L | 16.9 mg | 0.4% |
| Zinc L | 0.088 mg | 0.8% |
| Copper L | 0.15 mg | 17% |
| Manganese L | 0.12 mg | 5% |
| Selenium L | 0.5 µg | 0.9% |
| Iodine L | 1.8 µg | 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 9%
- Carbohydrates 91%
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
- Protein per 100 kcal2.5 gprotein density, useful for comparing foods with different calorie levels
- Water0.027 gwater per 100 g, which largely explains differences between raw, cooked and dried forms
Full nutrient profile
Sugars and starch (1)
| Starch L | 0 g |
|---|
Carotenoids (1)
| Beta-carotene L | 0 µg |
|---|
Other components (5)
| Water L | 0.027 g |
|---|---|
| Alcohol L | 0 g |
| Fiber, soluble L | 2 g |
| Fiber, insoluble L | 8 g |
| Vitamin A, IU L | 400 IU |
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 | USDA Branded | Open Food Facts |
|---|---|---|
| Calories | 320 kcal | 0 kcal |
| Protein | 8 g | 0 g |
| Carbohydrates | 78 g | 0 g |
| Fat | 0 g | 0 g |
| Fiber | 10 g | 0 g |
| Sugars | 16 g | 0 g |
| Sodium | 110 mg | 39,100 mg |
Product details
- Brand
- Sainsbury's
- Barcode
- 00177054
- Quantity
- 100 g
- Label serving
- 0.5 cup (50 g)
- Category
- Rock salts
- NOVA group
- 2 processing level (1 to 4), as classified by Open Food Facts
Ingredients
Rock salt
As listed on the package and transcribed by Open Food Facts contributors. Always check the package for allergens.
Ingredient guides: Salt
Similar products
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Patanjali Rock Salt Patanjali | 0 | 0 g | 0 g | 0 g |
| Sendha Namak Aadar | 0 | 0 g | 0 g | 0 g |
| Pink Rock Salt Pink | 0 | 0 g | 0 g | 0 g |
| Himalayan Rock Salt TATA Salt | 0 | 0 g | 0 g | 0 g |
| Natural Tattva Himalayan Rock Salt Natural Tattva | 0 | 0 g | 0 g | 0 g |
| Black salt TRS | 0 | 0 g | 0 g | 0 g |
Per 100 g. Calories in kcal. n/a: not reported by the source.
Frequently asked questions
How many calories are in Rock Salt?
100 g of Rock Salt has 320 kcal. Serving, 0.5 cup, 50 g (50 g): about 160 kcal.
How much protein is in Rock Salt?
Rock Salt contains 8 g of protein per 100 g (16% of the 50 g Daily Value), or 4 g in serving, 0.5 cup, 50 g (50 g). About 9% of its calories come from protein.
How many carbs are in Rock Salt?
Rock Salt has 78 g of total carbohydrates per 100 g, including 10 g of fiber and 16 g of sugars.
How much fat is in Rock Salt?
Rock Salt contains 0 g of fat per 100 g, of which 0 g is saturated (0% of the Daily Value).
What vitamins and minerals does Rock Salt contain?
Per 100 g, the most notable amounts relative to the Daily Value are iron (20% DV) and copper (17% DV). The full list is in the vitamins and minerals table above.
How much sodium is in Rock Salt?
100 g contains 110 mg of sodium, 5% of the 2,300 mg Daily Value.
Where does this nutrition data come from?
From USDA FoodData Central: Branded Foods, record dated March 5, 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 1856780. License: CC0 1.0 (U.S. public domain). Source record dated December 31, 2017. Imported November 6, 2026.
- Open Food Facts, record 00177054. License: ODbL 1.0 (Open Food Facts). Source record dated March 5, 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.