How many calories are in whey protein powder?

whey protein powder contains 83 calories per 100g serving, with 63g of protein, 3g of carbohydrates, and 2g of fat.

Is whey protein powder good for fat loss?

whey protein powder has a macro efficiency score of 1.00 (scale: 0–1.0). It provides 304% of its calories from protein, making it an excellent choice for fat loss goals.

1.00

Verified Asset

High Efficiency

Keto Protocol

whey protein powder.

Metabolic profile analysis. Technical breakdown of whey protein powder and its impact on skeletal muscle retention and daily energy expenditure.

Total Energy83kcal

Bio-Protein63g

Carbohydrates3g

Total Lipids2g

Nutritional Efficiency Report

whey protein powder is a low-calorie food with elite-protein content. At 83 kcal per 100g, it delivers 63g of protein — representing 304% of its total caloric load. Carbohydrates account for 14% and fats for 22% of calories.

"Efficiency Score 1.00 — 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."

At only 3g net carbs per 100g, it fits strict ketogenic and carnivore protocols.

With only 83 kcal per 100g, whey protein powder is a high-volume food — you can consume a large serving while keeping total caloric intake controlled. This makes it particularly effective for hunger management in deficit phases.

Protocol Compatibility

Ketosis Impact

At only 3g net carbs per 100g, it fits strict ketogenic and carnivore protocols.

Thermic Effect (TEF)

Protein content of 63g 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 Keto Verified Assets Fat Loss Foods Database

Integrate Asset.

Use the clinical weekly planner to distribute whey protein powder across your metabolic windows.

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Input physical metrics to generate a synchronized 7-day protocol.

1. Biological Metrics

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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.