Food and meal comparison

Whey protein isolate powder vs Rice protein powder

Written by Nutrition review desk Last updated: 2026-07-08

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

Rice protein powder

Calories370,0 kcal
Protein78,0 g
Carbs8,0 g
Fat3,5 g
VS
🍽️

Food

Whey protein isolate powder

Calories370,0 kcal
Protein90,0 g
Carbs2,0 g
Fat1,0 g
Food
Rice protein powder
🥩🥗🐟🥦
VS
Decide better
Food
Whey protein isolate powder
🍗🍠🧀🥑
Protein78,0 g / 90,0 g
Calories370,0 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

84,0 g

per 100g

🌿

Average carbs

5,0 g

per 100g

🔥

Average fat

2,2 g

per 100g

Quick assessment

Our analysis

Whey protein isolate powder outperforms rice protein powder in protein content and nutrient density, making it the top choice for muscle building and quick recovery. However, if you prioritize low carbs and calorie savings, rice protein can still serve specific needs.

👍 Positive points

  • ✅ Whey protein isolate powder leads on protein (90g vs 78g per 100 g).
  • ✅ Whey protein isolate powder has fewer carbs (2g vs 8g per 100 g).
  • ✅ Rice protein powder has less fat (3.5g vs 1g per 100 g).

⚠️ Points to watch

  • ⚠️ Whey protein isolate powder has higher sodium (350 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

Bottom line

Whey Protein isolate powder outperforms rice Protein powder in Protein content and nutrient density, making it the top choice for muscle building and quick recovery. However, if you prioritize low Carbs and calorie savings, rice Protein can still serve specific needs.

Main differences

  • Protein content: Whey isolate: 90g vs Rice: 78g per 100g
  • Carbohydrates: Whey: 2g vs Rice: 8g
  • Fat: Whey: 1g vs Rice: 3.5g
  • Calorie equivalence: Both around 370 kcal per 100g, but whey provides more Protein with less Fat and Carbs, improving macro efficiency.

Pros and cons of each option

Whey Protein isolate powder

Why it works: Highest Protein density, minimal Carbs and fats, great for muscle growth and quick absorption.

Downsides: Dairy-based, not suitable for vegans or those with lactose intolerance; possible allergen concerns.

Rice Protein powder

Why it works: Plant-based, hypoallergenic, suitable for vegans and sensitive stomachs, with lower Fat.

Downsides: Slightly lower Protein content, higher Carbs, and less nutrient density compared to whey.

Best use cases for each

Whey Protein isolate powder: Ideal for athletes, bodybuilders, or anyone seeking maximum muscle repair with minimal Calories and Carbs. Best when quick absorption and high Protein intake are priorities.

Rice Protein powder: Suitable for vegans, those with lactose intolerance, or individuals aiming for a plant-based diet while maintaining a moderate Protein intake. Better for low-Fat or hypoallergenic needs.

When is one option NOT worth it?

Whey Protein isolate isn’t worth it if you’re vegan, lactose intolerant, or seeking a completely plant-based supplement. Conversely, rice Protein may not meet your needs if you require the highest possible Protein density or are focused on athletic sports performance and muscle gain.

Final recommendation

Choose whey Protein isolate powder if your goal is maximum Protein intake with minimal Carbs and fats, especially for muscle building. Opt for rice Protein if you need a vegan, hypoallergenic option or aim to reduce fats and Carbs without sacrificing moderate Protein intake. Consider your dietary restrictions and fitness goals to select the best fit.

Data sources on this page

  • Product labels and manufacturer data (manual review)

Editorial policy

Nutrition indicators

🍽️

Food

Rice protein 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
🍽️

Rice protein powder

370,078,08,03,52,0 10/10
🍽️

Whey protein isolate powder

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

Vitamins and minerals

🍽️

Food

Rice protein powder

Minerals

Calcium
Iron 8,0
Magnesium 120,0
Phosphorus 600,0
Potassium 500,0
Sodium 300,0
Zinc

Vitamins

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

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

Low

🔥

Calories

High

🏆

Summary

Decide better

Frequently asked questions

Which is better: Rice protein 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 Rice protein powder and when to pick Whey protein isolate powder?

Pick Rice protein powder (Protein 78.0, Calories 370.0, Carbs 8.0) when that profile matters most; Whey protein isolate powder (Protein 90.0, Calories 370.0, Carbs 2.0) when the trade-off pays off.

Are values per serving or per 100 g?

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

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