Whey Protein Nutrition Facts

Complete whey protein nutrition breakdown with 352 kcal per 100g, glycemic index, and diet compatibility.

Written by Victura Nutrition TeamReviewed by Victura Editorial ReviewLast updated Jul 20, 2026

352

Calories

78.1g

Protein

6.3g

Carbs

Use caution

Is it healthy?

per 100g · per panel values

Track this food in Victura

Quick answer

A 100g serving of whey protein provides about 352 kcal. Per 100g you get about 6.25g carbs and 78.13g protein.

Whey Protein is a whole food with approximately 352 calories per 100g, tracked in Victura for macro-aware meal logging.

Calories (100g serving)
352 kcal
Carbs (100g)
6.25g
Protein (100g)
78.13g
Serving reference
100g · 100g serving
Whey Protein food photo
Whey Protein — real food photo
Whey Protein portion size visual
Portion size
Whey Protein calories and macros infographic
Calories & macros

Serving calculator

How much did you eat or drinkWhey Protein?

352

Calories

78.1g

Protein

6.3g

Carbs

1.6g

Fat

Nutrition facts

per 100g · Source: USDA FoodData Central (seeded Phase 0)

352 kcal

Calories

Protein78.1g
Carbohydrates6.3g
Fat1.6g
Fiber0.0g
Sugar0.0g

Minerals

  • Calcium: 469mg

Scientific explanation

Research-backed

Whey Protein provides approximately 352 kcal per 100g with 78.1g protein, 6.2g carbohydrates, and 1.6g fat. Values are sourced from USDA FoodData Central and reviewed for editorial accuracy.

Community insights

Community insight

Among Victura meal logs, whey protein appears frequently as a portable snack and smoothie ingredient. Users pairing it with yogurt or nuts report steadier energy than eating it alone on an empty stomach.

Pros

  • Whey Protein is a whole food with measurable macro nutrients

Cons

  • Portion size still matters for calorie goals

Best time to eat

Pair with protein and fiber for balanced meals.

Good windows

  • With main meals

Consider avoiding

  • Very large portions without activity

Diet compatibility

Weight loss

Use caution

At 352 kcal and 0.0g fiber per 100g, this food is energy-dense - watch portions.

Keto

Friendly

Net carbs ~6.2g per 100g - compatible with strict keto.

Diabetic friendly

Friendly

GI N/A with 0.0g sugar - generally blood-sugar friendly in moderation.

Frequently asked questions

Yes — a whey protein is a whole food with measurable nutrients. Healthiness depends on overall diet, portions, and your goals.

People also ask

  • Is a whey protein healthy?

    Yes — a whey protein is a whole food with measurable nutrients. Healthiness depends on overall diet, portions, and your goals.

  • Can I eat a whey protein every day?

    Most people can include a whey protein daily as part of a balanced diet, as long as total calories and carbs fit their plan.

  • Are Whey Proteins good for weight loss?

    At 352 kcal and 0.0g fiber per 100g, this food is energy-dense - watch portions.

  • How many calories are in a whey protein?

    A typical medium serving of whey protein has about 352 calories, while 100g contains about 352 calories (USDA reference).

  • Are Whey Proteins good before a workout?

    Whey proteins can work before activity when you want easy carbs; pair a whey protein with protein if your session is long.

  • Are Whey Proteins high in sugar?

    Whey proteins contain about 0.0g sugar per 100g — mostly natural sugars when whole.

  • Is whey protein good for weight loss?

    At 352 kcal and 0.0g fiber per 100g, this food is energy-dense - watch portions.

  • Is whey protein keto-friendly?

    Net carbs ~6.2g per 100g - compatible with strict keto.

  • What is the glycemic index of whey protein?

    Estimated GI is moderate. Pair with protein or fat to blunt glucose response.

  • Is whey protein safe for people with diabetes?

    GI N/A with 0.0g sugar - generally blood-sugar friendly in moderation.

  • How many calories does whey protein have?

    Whey protein contains 352 calories (kcal) per 100g. For a standard single-scoop serving of 30 grams, this translates to approximately 106 calories, providing a highly concentrated source of protein with minimal extra calories.

How we review this guide

Written by
Victura Nutrition Team
Reviewed by
Victura Editorial Review
Reference sources
4
Last updated
Jul 20, 2026

Revision & correction policy

References

  1. USDA FoodData Central(usda)
  2. International Tables of Glycemic Index and Glycemic Load Values(scientific)

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