How many calories are in Whey Protein Powder?

Whey Protein Powder contains 381 calories per 100g serving, with 86g of protein, 10g of carbohydrates, and 2g of fat.

Is Whey Protein Powder good for fat loss?

Whey Protein Powder has a macro efficiency score of 0.90 (scale: 0–1.0). It provides 90% of its calories from protein, making it an excellent choice for fat loss goals.

0.90

Verified Asset

High Efficiency

Whey Protein Powder.

Metabolic profile analysis. Technical breakdown of Whey Protein Powder and its impact on skeletal muscle retention and daily energy expenditure.

Total Energy381kcal

Bio-Protein86g

Carbohydrates10g

Total Lipids2g

Nutritional Efficiency Report

Whey Protein Powder is a calorie-dense food with elite-protein content. At 381 kcal per 100g, it delivers 86g of protein — representing 90% of its total caloric load. Carbohydrates account for 10% and fats for 5% of calories.

"Efficiency Score 0.90 — this asset ranks in the top tier of the DataFood database for protein delivery per calorie. Optimal for fat loss, lean bulking, and body recomposition phases."

With 10g of carbs per 100g, it suits cyclical keto and low-carb approaches.

Protocol Compatibility

Ketosis Impact

With 10g of carbs per 100g, it suits cyclical keto and low-carb approaches.

Thermic Effect (TEF)

Protein content of 86g per 100g triggers a significant Thermic Effect of Food. The body expends approximately 20–30% of protein calories during digestion, yielding a net caloric benefit compared to equivalent fat or carbohydrate sources.

Expand Your Protocol.

Based on the metabolic profile of Whey Protein Powder, these related data nodes are most relevant to your nutrition architecture:

High Protein Foods Fat Loss Foods Database

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Use the clinical weekly planner to distribute Whey Protein Powder across your metabolic windows.

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2. Dietary Logic

Institutional Disclaimer: The nutritional data provided for Whey Protein Powder is derived from clinical databases and algorithmic estimation. This report is for metabolic infrastructure planning only and does not constitute medical advice. Consult a clinical nutritionist before implementing aggressive deficit protocols.