How many calories is Whey Protein Isolate?

3 scoops (86g) of Whey Protein Isolate has 306 calories.

How much protein is in Whey Protein Isolate?

3 scoops (86g) of Whey Protein Isolate has 67 grams of protein.

How many calories are in 100g of Whey Protein Isolate?

100g of Whey Protein Isolate has 356 calories and 78 grams of protein.

What is a standard serving for Whey Protein Isolate?

A standard serving of Whey Protein Isolate is 3 scoops (86g), which has 306 calories and 67 grams of protein.

How do I estimate my portion of Whey Protein Isolate?

The easiest way is to estimate the main calorie drivers separately: number of scoops, level or heaped scoop, mixed with water or milk and fruit or nut butter blended in. If you don't know how much Whey Protein Isolate you ate, or whether you had a scoop, serving, ounce or tablespoon, download Welling and it will help estimate the portion for you.

Whey Protein Isolate

Isopure

3 scoops (86g) of Isopure Whey Protein Isolate contains 306 calories and 67 grams of protein

Amount

Serving

Other servings:

306 calories

per 3 scoops (86g)

Protein 67g

Carbs View in app

Fat View in app

Log with Welling

See the full macros for Whey Protein Isolate in the Welling app.

Nutrition Facts for 3 scoops (86g) of Isopure Whey Protein Isolate

Nutrition per serving of Isopure Whey Protein Isolate. Values other than calories and protein are available in the Welling app.
Calories	306 kcal
Protein	67g
Fat	View in app
Carbs	View in app
Fiber	View in app
Sugar	View in app
Sodium	View in app

Macro Ratio for Isopure Whey Protein Isolate

See how protein, carb and fat are split for this food in the app.

View in app

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Frequently Asked Questions

How many calories is Whey Protein Isolate?: 3 scoops (86g) of Whey Protein Isolate has 306 calories.
How much protein is in Whey Protein Isolate?: 3 scoops (86g) of Whey Protein Isolate has 67 grams of protein.
How many calories are in 100g of Whey Protein Isolate?: 100g of Whey Protein Isolate has 356 calories and 78 grams of protein.
What is a standard serving for Whey Protein Isolate?: A standard serving of Whey Protein Isolate is 3 scoops (86g), which has 306 calories and 67 grams of protein.
How do I estimate my portion of Whey Protein Isolate?: The easiest way is to estimate the main calorie drivers separately: number of scoops, level or heaped scoop, mixed with water or milk and fruit or nut butter blended in. If you don't know how much Whey Protein Isolate you ate, or whether you had a scoop, serving, ounce or tablespoon, download Welling and it will help estimate the portion for you.

Sources and methodology

Nutrition values are reviewed and compiled from published food composition data, the sources listed below, and Welling’s own nutrition database. Values are based on common serving sizes and may vary by portion size, ingredients, cooking method, and restaurant preparation.

References

USDA FoodData Central (opens in a new tab) US Department of Agriculture
EFSA food composition data (opens in a new tab) European Food Safety Authority
Energy and Nutrient Composition of Food (SG FoodID) (opens in a new tab) Health Promotion Board, Singapore
Nutrient Information Inquiry System (opens in a new tab) Centre for Food Safety, Hong Kong
MenuStat (opens in a new tab) Restaurant menu nutrition data, NYC Department of Health and Mental Hygiene
Welling food database Welling's own food and serving size data

Last updated: September 29, 2026