Food and meal comparison

Whey protein isolate powder vs Pea protein isolate powder

Written by Nutrition review desk Last updated: 2026-06-23

Compare nutritional values, benefits and context to choose the best option for your goal.

Use the tables to compare real options for your goal — values are per 100 g unless stated otherwise on the label.

Type: Food and meal comparison Focus: Nutrition Goal: Health & performance
🍽️

Food

Pea protein isolate powder

Calories380,0 kcal
Protein80,0 g
Carbs8,0 g
Fat6,0 g
VS
🍽️

Food

Whey protein isolate powder

Calories370,0 kcal
Protein90,0 g
Carbs2,0 g
Fat1,0 g
Food
Pea protein isolate powder
🥩🥗🐟🥦
VS
Decide better
Food
Whey protein isolate powder
🍗🍠🧀🥑
Protein80,0 g / 90,0 g
Calories380,0 kcal / 370,0 kcal
Carbs8,0 g / 2,0 g

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Page summary

🍽️

Total foods

2

items analyzed

Best choice

Whey protein isolate powder

💪

Average protein

85,0 g

per 100g

🌿

Average carbs

5,0 g

per 100g

🔥

Average fat

3,5 g

per 100g

Quick assessment

Our analysis

Whey protein isolate powder outperforms Pea protein isolate powder in key nutrients, especially protein content and lower carbs. It’s the superior choice if your priority is maximizing protein intake with minimal carbs and calories.

👍 Positive points

  • ✅ Whey protein isolate powder leads on protein (90g vs 80g per 100 g).
  • ✅ Whey protein isolate powder is lighter in calories (370 kcal vs 380 kcal per 100 g).
  • ✅ Whey protein isolate powder has fewer carbs (2g vs 8g per 100 g).

⚠️ Points to watch

  • ⚠️ Pea protein isolate powder has higher sodium (900 mg per 100 g) — relevant for blood pressure.
  • ⚠️ Values are per 100 g; real portions change calories and macros.
  • ⚠️ Pair the food comparison angle with your goal and daily routine.

Full analysis

Quick assessment

Whey Protein isolate powder outperforms Pea Protein isolate powder in key nutrients, especially Protein content and lower Carbs. It’s the superior choice if your priority is maximizing Protein intake with minimal Carbs and Calories.

Main differences

When comparing these two Protein powders, the primary differences are:

  • Protein: Whey Protein has 90g per 100g, whereas Pea Protein offers 80g.
  • Calories: Whey is slightly lower at 370 kcal, versus 380 kcal for Pea.
  • Carbohydrates: Whey contains just 2g, compared to 8g in Pea.
  • Fats: Pea has more Fat (6g) than Whey (1g).

Benefits

  • Whey Protein isolate: Highest Protein density, lowest Carbs, and Calories, making it ideal for muscle building and weight management.
  • Pea Protein isolate: Good for plant-based diets, contains more Fiber and iron, suitable for vegetarians or those sensitive to dairy.

Drawbacks

  • Whey Protein isolate: Less suitable for vegans or those with dairy allergies; lower in Fiber and iron.
  • Pea Protein isolate: Slightly higher in Calories and fats, with a marginally lower Protein concentration per 100g.

Best use cases

Choose Whey Protein isolate powder if you aim to boost muscle mass efficiently, reduce Carbs, or need a quick, high-quality Protein source. It’s especially effective for post-workout recovery and calorie-conscious dieting.

Opt for Pea Protein isolate powder if you prefer plant-based options, need additional Fiber, or want a sustainable, allergy-friendly Protein source—even if it’s slightly less Protein-dense.

When one option is NOT worth it

If your goal is maximum Protein with minimal Carbs and Calories, Pea Protein is less economical. Its higher Fat and calorie content make it less suitable for rigorous muscle-building or weight loss plans. Conversely, if dairy is a concern, Whey is not advisable.

Final recommendation

For most practical purposes centered on high-Protein, low-carb intake, Whey Protein isolate powder remains the better choice. It offers superior macro qualities aligned with fitness and dietary goals. However, if plant-based sourcing or Fiber intake is essential, Pea Protein is a valid alternative despite its slightly lower efficiency per serving.

Data sources on this page

  • Product labels and manufacturer data (manual review)

Editorial policy

Nutrition indicators

🍽️

Food

Pea protein isolate powder

Nutrient density 0,9
Protein ratio 0,2
Low Carb Yes
High Protein Yes
Keto No
🍽️

Food

Whey protein isolate powder

Nutrient density 1,0
Protein ratio 0,2
Low Carb Yes
High Protein Yes
Keto No

How to interpret this page

🔥 Calories: Calories show energy per 100 g and help you compare portion impact across foods. Use them with protein and carbs to see whether an option fits maintenance, deficit, or surplus goals. A low score does not mean a food is ‘bad’ — it reflects nutrient density for general health, not your specific plan.

💪 Protein: Protein per 100 g shows how concentrated a food is as a protein source. Higher values support muscle recovery, satiety, and meal balance when that is your priority. Compare foods on this page rather than judging a single macro in isolation.

🌾 Carbs: Carbs matter most in context: training days, ketogenic diets, and endurance goals change what ‘good’ looks like. Powders such as maltodextrin score lower on our general-health scale because they are energy-dense with little protein, fiber, or micronutrients — not because they are never useful.

🥑 Fat: Fat carries more than twice the calories per gram than protein or carbs, so small portion changes matter. Moderate fat levels can support hormones and absorption of fat-soluble vitamins. Use this column with calories when balancing satiety and energy density.

Tip: combine the table with your goal — weight loss, muscle gain, low carb, endurance, or general health. The score helps compare options on this page; it does not replace medical or sports-nutrition advice.

Nutrition facts (per 100g)

The data shown is filtered to match this page’s topic.

The NutriDecide score (1–10) ranks foods on this page by protein, nutrient density, fiber, and a general-health lens — not by taste or whether they fit a specific diet. Low scores (e.g. maltodextrin) usually mean fewer nutrients per calorie; high scores (e.g. soy protein isolate) mean stronger protein and micronutrient density. It is a comparison tool: a low score does not forbid a food when it matches your goal.

FoodCaloriesProteinCarbsFatFiberScore
🍽️

Pea protein isolate powder

380,080,08,06,02,0 10/10
🍽️

Whey protein isolate powder

370,090,02,01,00,0 10/10

Vitamins and minerals

🍽️

Food

Pea protein isolate powder

Minerals

Calcium
Iron 12,0
Magnesium 120,0
Phosphorus 700,0
Potassium 900,0
Sodium 900,0
Zinc 4,0

Vitamins

Vitamin A
Vitamin C
Vitamin D
Vitamin E
Vitamin K
Vitamin B1
Vitamin B2
Vitamin B3
Vitamin B5
Vitamin B6
Vitamin B12
🍽️

Food

Whey protein isolate powder

Minerals

Calcium 500,0
Iron
Magnesium
Phosphorus
Potassium 500,0
Sodium 350,0
Zinc

Vitamins

Vitamin A
Vitamin C
Vitamin D
Vitamin E
Vitamin K
Vitamin B1
Vitamin B2
Vitamin B3
Vitamin B5
Vitamin B6
Vitamin B12

Analysis

💪

Protein

High

🌾

Carbs

Low

🥑

Fat

Moderate

🔥

Calories

High

🏆

Summary

Decide better

Frequently asked questions

Which is better: Pea protein isolate powder or Whey protein isolate powder?

For the goal of food comparison, Whey protein isolate powder has the edge across the main nutrients.

Which option favors the food comparison goal?

Whey protein isolate powder tends to be the choice best aligned with this page's data.

When to pick Pea protein isolate powder and when to pick Whey protein isolate powder?

Choose Pea if you need a plant-based, fiber-rich option; opt for Whey if you want maximum protein with minimal carbs and calories.

Are values per serving or per 100 g?

On this page, unless noted otherwise, main macros are per 100 g.

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