Protein Shake Nutrition Facts

Complete protein shake nutrition breakdown with 56 kcal per 100g, glycemic index, and diet compatibility.

Written by Victura Nutrition TeamReviewed by Victura Editorial ReviewLast updated Jul 19, 2026

56

Calories

10.0g

Protein

2.5g

Carbs

Use caution

Is it healthy?

per 100g · per panel values

Track this food in Victura

Quick answer

A 100g serving of protein shake provides about 56 kcal. Per 100g you get about 2.5g carbs and 10g protein.

Protein Shake is a whole food with approximately 56 calories per 100g, tracked in Victura for macro-aware meal logging.

Calories (100g serving)
56 kcal
Carbs (100g)
2.5g
Protein (100g)
10.0g
Serving reference
100g · 100g serving
Protein Shake food photo
Protein Shake — real food photo
Protein Shake portion size visual
Portion size
Protein Shake calories and macros infographic
Calories & macros

Serving calculator

How much did you eat or drinkProtein Shake?

56

Calories

10.0g

Protein

2.5g

Carbs

0.8g

Fat

Nutrition facts

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

56 kcal

Calories

Protein10.0g
Carbohydrates2.5g
Fat0.8g
Fiber0.0g
Sugar1.0g

Minerals

  • Calcium: 120mg

Scientific explanation

Research-backed

Protein Shake provides approximately 56 kcal per 100g with 10.0g protein, 2.5g carbohydrates, and 0.8g fat. Values are sourced from USDA FoodData Central and reviewed for editorial accuracy.

Community insights

Community insight

Among Victura meal logs, protein shake 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

  • Protein Shake 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 56 kcal and 0.0g fiber per 100g, this food is energy-dense - watch portions.

Keto

Friendly

Net carbs ~2.5g per 100g - compatible with strict keto.

Diabetic friendly

Friendly

GI N/A with 1.0g sugar - generally blood-sugar friendly in moderation.

Frequently asked questions

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

People also ask

  • Is a protein shake healthy?

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

  • Can I eat a protein shake every day?

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

  • Are Protein Shakes good for weight loss?

    At 56 kcal and 0.0g fiber per 100g, this food is energy-dense - watch portions.

  • How many calories are in a protein shake?

    A typical medium serving of protein shake has about 56 calories, while 100g contains about 56 calories (USDA reference).

  • Are Protein Shakes good before a workout?

    Protein shakes can work before activity when you want easy carbs; pair a protein shake with protein if your session is long.

  • Are Protein Shakes high in sugar?

    Protein shakes contain about 1.0g sugar per 100g — mostly natural sugars when whole.

  • Is protein shake good for weight loss?

    At 56 kcal and 0.0g fiber per 100g, this food is energy-dense - watch portions.

  • Is protein shake keto-friendly?

    Net carbs ~2.5g per 100g - compatible with strict keto.

  • What is the glycemic index of protein shake?

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

  • Is protein shake safe for people with diabetes?

    GI N/A with 1.0g sugar - generally blood-sugar friendly in moderation.

  • Why do some vegan protein shakes have a chalky texture or distinct taste?

    Vegan protein shakes rely on plant-derived proteins like pea, soy, or hemp. These proteins have different solubility profiles and larger particle sizes than dairy-based whey, which can create a grittier or chalkier mouthfeel. Additionally, formulations designed to maximize protein yield while minimizing sugars often rely on stevia or monk fruit, which can alter the flavor profile.

  • How many calories does a protein shake have?

    According to USDA reference data, a prepared protein shake contains approximately 56 calories (kcal) per 100g. For a standard 325ml (11 fl oz) serving, this translates to roughly 180 calories, though exact values vary based on whether the powder is mixed with water, milk, or plant-based alternatives.

How we review this guide

Written by
Victura Nutrition Team
Reviewed by
Victura Editorial Review
Reference sources
4
Last updated
Jul 19, 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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