Other · Nutrition facts

Whey

378 kcal per 100 g, with 79 g protein, 5 g carbs and 4 g fat. Full micronutrients and serving info below.

Serving: 40 g
High proteinLow carbCalorie denseHigh fiber
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WheyNutri-Score ACompare
Amount

Showing values for 100 g

378 kcal
Calories
19% of a 2000 kcal day
79 g
Protein
85% of calories
5 g
Carbs
5% of calories
4 g
Fat
10% of calories
Macro split
Protein 85%Carbs 5%Fat 10%

Nutrition facts

per 100 g
Fiber7.1g25% DV
Sugar3g
Saturated fat1g5% DV
Sodium96mg4% DV

% DV = share of the FDA daily value for the selected amount.

Source: Open Food Facts · Confidence: 90% · Barcode (EAN, unverified): 00001971 · Data last verified:

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Common questions

How many calories are in Whey?

Whey by optimum has 378 kcal per 100 g. One serving (40 g) is about 151 kcal.

How much protein is in Whey?

Whey contains 79 g of protein per 100 g — about 31.6 g per 40 g serving.

Is Whey a good source of protein?

Yes — 79 g of protein per 100 g, supplying 85% of its calories. That makes it an excellent protein source.

Is Whey keto-friendly?

With 5 g total carbs (about 0 g net carbs) per 100 g, it fits low-carb and keto eating patterns in normal portions.

Is Whey low in sodium?

Yes — just 96 mg per 100 g (4% of the daily value), which qualifies as low sodium.

Is Whey a good source of fiber?

It provides 7.1 g of fiber per 100 g — 25% of the daily value, making it a high-fiber food.

Why does Whey have a Nutri-Score of A?

Nutri-Score weighs negatives (calories, sugar, saturated fat, sodium) against positives (fiber, protein) per 100 g. Points against come from calorie density (378 kcal); points in favor come from fiber (7.1 g), protein (79 g). Overall that places it in band A.

How much Whey is 100 calories?

About 26 g of Whey equals 100 kcal. It is energy-dense, so small amounts add up quickly.

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