Written by CalorieData Nutrition TeamReviewed by a Registered DietitianLast Updated: March 2026

Nori vs Oyster Mushroom: Nutrition Comparison

Which is healthier? Compare calories, protein, carbs, and more

Complete side-by-side nutrition comparison per 100g serving | Updated 2026

Which is Healthier?

Nori is generally healthier

Nori comes out ahead in this comparison, winning in 3 out of 5 key nutritional categories. It has more protein (46g vs 3.3g), more fiber (7g vs 1.1g), less sugar (0g vs 0.4g), making it the better choice for most health goals.

Quick Summary

Fewer Calories

Oyster Mushroom

33 kcal

More Protein

Nori

46g

More Fiber

Nori

7g

Less Sugar

Nori

0g

Visual Comparison

Caloriesper 100g
Nori
333
Oyster Mushroom
33
Proteinper 100g
Nori
46g
Oyster Mushroom
3.3g
Carbohydratesper 100g
Nori
59g
Oyster Mushroom
6g
Fatper 100g
Nori
8g
Oyster Mushroom
0.4g

Side-by-Side Nutrition Table

NutrientNoriOyster MushroomDifference
Calories333kcal33kcal+300.0kcal
Protein46g3.3g+42.7g
Carbohydrates59g6g+53.0g
Fat8g0.4g+7.6g
Fiber7g1.1g+5.9g
Sugar0g0.4g-0.4g
Sodium1200mg108mg+1092.0mg

Serving Size Comparison

All values above are per 100g. Here's how they compare in common serving sizes:

Nori

Per 100g:333 calories
Per cup (150g):500 calories
Per serving (85g):283 calories

Oyster Mushroom

Per 100g:33 calories
Per cup (150g):50 calories
Per serving (85g):28 calories

Diet Compatibility

Nori

High-ProteinVeganVegetarianPaleo

Oyster Mushroom

Low-CarbLow-CalorieVeganVegetarianPaleoLow-Sodium

When to Choose Nori

  • Higher in protein (46g vs 3.3g)
  • More fiber (7g vs 1.1g)
  • Less sugar (0g vs 0.4g)

Common Uses

SaladsStir-friesRoasted sidesSoups
View full Nori nutrition →

When to Choose Oyster Mushroom

  • Lower in calories (33 vs 333)
  • Lower in carbs (6g vs 59g)
  • Lower sodium (108mg vs 1200mg)

Common Uses

SaladsStir-friesRoasted sidesSoups
View full Oyster Mushroom nutrition →

Nori vs Oyster Mushroom: Nutritional Analysis

Nori is more calorie-dense at 333 calories per 100g compared to 33 for Oyster Mushroom, a difference of 300 calories. On the protein front, Nori delivers more with 46g per 100g versus 3.3g, which matters for muscle maintenance, satiety, and overall metabolic health. These differences become meaningful when you consider how each food fits into your daily dietary pattern rather than looking at any single nutrient in isolation.

Macronutrient Breakdown

The macronutrient profiles of Nori and Oyster Mushroom tell different nutritional stories. Nori provides 59g of carbohydrates, 8g of fat, and 7g of fiber per 100g, while Oyster Mushroom contains 6g carbs, 0.4g fat, and 1.1g fiber. The higher fiber content in Nori supports digestive health, helps regulate blood sugar after meals, and contributes to longer-lasting satiety. Sugar content also differs: Nori contains 0g while Oyster Mushroom has 0.4g per 100g. Lower sugar options are generally preferable for blood sugar management and dental health.

Key Takeaways

  • For weight management: Oyster Mushroom is the lower-calorie choice at 33 cal/100g, making it more suitable for calorie-controlled diets.
  • For muscle building: Nori provides more protein (46g/100g), supporting muscle repair and growth.
  • For sustained energy: Nori offers more fiber (7g/100g), which slows digestion and provides steadier energy release.
  • Overall: Neither food is universally "better" than the other. The right choice depends on your specific nutritional goals, meal context, and dietary preferences. Both can play a role in a balanced diet.

Frequently Asked Questions

Which has more calories, Nori or Oyster Mushroom?

Nori has more calories with 333 kcal per 100g, compared to Oyster Mushroom with 33 kcal. That's a difference of 300 calories per 100g serving.

Is Nori healthier than Oyster Mushroom?

Based on our nutritional analysis, Nori is generally the healthier choice, winning in 3 out of 5 key nutritional categories. Nori has 333 calories, 46g protein, and 7g fiber per 100g. However, the best choice depends on your specific dietary goals.

What is the protein difference between Nori and Oyster Mushroom?

Nori has more protein with 46g per 100g, compared to Oyster Mushroom with 3.3g. Nori provides 42.7g more protein per 100g serving.

Which is better for weight loss, Nori or Oyster Mushroom?

For weight loss, Oyster Mushroom is the better choice with only 33 calories per 100g compared to 333 calories in Nori. Nori also offers 7g of fiber per 100g, which helps you feel fuller longer.

Does Nori or Oyster Mushroom have fewer carbs?

Oyster Mushroom has fewer carbs with 6g per 100g, compared to Nori with 59g. If you're following a low-carb diet, Oyster Mushroom is the better option with 53.0g fewer carbohydrates.

About Our Data

All nutrition data in this comparison is sourced from the USDA FoodData Central, the official food composition database maintained by the U.S. Department of Agriculture. Values are based on 100g servings for accurate comparison.

Health Disclaimer: This comparison is for informational purposes only and is not intended as medical or dietary advice. Nutritional needs vary by individual. The best food choice depends on your personal health goals, dietary requirements, and preferences. Consult a healthcare provider or registered dietitian for personalized nutrition guidance.