Whey Protein Isolate
Packaged product Other Foods NOW Sports
Whey Protein Isolate contains 375 kcal per 100 g. A serving, 0.333 cup, 32 g (32 g) provides about 120 kcal.
Roughly 89% of its calories come from protein, with 7% from carbohydrates and 4% from fat (estimated with general energy factors).
That is more energy than the typical item in other foods on FoodFactly, where the median is 300 kcal per 100 g across 1,852 products.
100 g provides 39% of the Daily Value for calcium and 11% of the Daily Value for potassium.
The values are label data submitted by the manufacturer to USDA FoodData Central.
Nutrition facts
| Nutrient | Amount per 100 g | % DV |
|---|---|---|
| Calories L | 375 kcal | |
| Total fat L | 1.6 g | 2% |
| Saturated fat L | 0 g | 0% |
| Trans fat L | 0 g | |
| Cholesterol L | 16 mg | 5% |
| Sodium L | 156 mg | 7% |
| Total carbohydrates L | 6.3 g | 2% |
| Dietary fiber L | 3.1 g | 11% |
| Total sugars L | 0 g | |
| Added sugars L | 0 g | 0% |
| Protein L | 78.1 g | 156% |
| Vitamin D L | 0 µg | 0% |
| Calcium L | 503 mg | 39% |
| Iron L | 0.94 mg | 5% |
| Potassium L | 494 mg | 11% |
% 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 89%
- Carbohydrates 7%
- Fat 4%
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
- Protein78.1 gin the top quarter of other foods (median 8.3 g)
- Fiber3.1 gabove the median for other foods (median 0.1 g)
- Sugars0 gin the lowest quarter of other foods (median 1 g)
- Fat1.6 gabove the median for other foods (median 0.29 g)
- Saturated fat0 gin the lowest quarter of other foods (median 0.1 g)
- Sodium156 mgabove the median for other foods (median 92.1 mg)
- Protein per 100 kcal20.8 gprotein density, useful for comparing foods with different calorie levels
Full nutrient profile
Carotenoids (1)
| Vitamin D (D2 + D3), International Units L | 0 IU |
|---|
Other components (1)
| Xylitol L | 3 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 | USDA Branded | Open Food Facts |
|---|---|---|
| Calories | 375 kcal | 375 kcal |
| Protein | 78.1 g | 78.1 g |
| Carbohydrates | 6.3 g | 6.3 g |
| Fat | 1.6 g | 1.6 g |
| Fiber | 3.1 g | 3.1 g |
| Sugars | 0 g | 0 g |
| Sodium | 156 mg | 156 mg |
Product details
- Brand
- NOW Sports
- Barcode
- 0733739021496
- Quantity
- 10 lbs
- Label serving
- 0.333 cup (32 g)
- Category
- Dietary supplements
Ingredients
Ingredients not reported.
Similar products
| Food | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| Plant-Based Protein Vanilla Flavored TB12 | 375 | 75 g | 9.4 g | 9.4 g |
| Sprouts Vegan Protein-Matcha Latte Sprouts | 375 | 62.5 g | 15.6 g | 7.8 g |
| Dream Protein Greens FIRST | 375 | 83.3 g | 12.5 g | 0 g |
| Vitamin C Airborne | 375 | 0 g | 75 g | 0 g |
| Pure Isolate Micro-Filtered Whey Protein Isolate GNC AMP | 375 | 78.1 g | 9.4 g | 1.6 g |
| Collagen Peptides Sports Research | 375 | 83.3 g | 0 g | 0 g |
| Gourmet Protein Shake Hardcore ISO | 375 | 78.1 g | 6.3 g | 3.1 g |
| Pure Isolate GNC AMP | 375 | 78.1 g | 9.4 g | 1.6 g |
Per 100 g. Calories in kcal. n/a: not reported by the source.
Frequently asked questions
How many calories are in Whey Protein Isolate?
100 g of Whey Protein Isolate has 375 kcal. Serving, 0.333 cup, 32 g (32 g): about 120 kcal.
Is Whey Protein Isolate high in protein?
Whey Protein Isolate contains 78.1 g of protein per 100 g (156% of the 50 g Daily Value), or 25 g in serving, 0.333 cup, 32 g (32 g). About 89% of its calories come from protein. Compared with other other foods, that is among the highest quarter (median 8.3 g).
How many carbs are in Whey Protein Isolate?
Whey Protein Isolate has 6.3 g of total carbohydrates per 100 g, including 3.1 g of fiber and 0 g of sugars.
How much fat is in Whey Protein Isolate?
Whey Protein Isolate contains 1.6 g of fat per 100 g, of which 0 g is saturated (0% of the Daily Value).
What vitamins and minerals does Whey Protein Isolate contain?
Per 100 g, the most notable amounts relative to the Daily Value are calcium (39% DV) and potassium (11% DV). The full list is in the vitamins and minerals table above.
How much sodium is in Whey Protein Isolate?
100 g contains 156 mg of sodium, 7% of the 2,300 mg Daily Value.
Where does this nutrition data come from?
From USDA FoodData Central: Branded Foods, record dated May 19, 2025. FoodFactly last checked it on November 8, 2026. Each value above shows whether it was measured, calculated or taken from a label.
Source of the nutrition information
- Open Food Facts, record 0733739021496. License: ODbL 1.0 (Open Food Facts). Source record dated May 19, 2025. Imported November 8, 2026.
- USDA FoodData Central: Branded Foods, record 2339125. License: CC0 1.0 (U.S. public domain). Source record dated May 8, 2021. Imported November 6, 2026.
Last updated: . Data quality score: 90/100 (how it is calculated).
General nutrition information, not medical advice. Individual needs differ; see our disclaimer.