Quick Summary

When to Choose Nori (Seaweed)

Nori (Seaweed) and Spirulina have a broadly similar nutrient profile, so choose Nori (Seaweed) based on taste, texture, cost or what you have to hand.

When to Choose Spirulina

Choose Spirulina for more iron (29mg vs 18mg) per 100g. It is also lower in calories (286 vs 350 per 100g).

Nutrition Facts Comparison

Side-by-side comparison per 100g serving:

Nutrient Nori (Seaweed) Spirulina Winner
Calories 350 285.7 🏆 Spirulina
Protein 58g 57.1g 🏆 Nori (Seaweed)
Carbohydrates 51g 24.3g
Fiber 3g 0g 🏆 Nori (Seaweed)

Key Vitamins & Minerals

Iron

Nori (Seaweed)
18.0mg
Spirulina
28.6mg

🏆 Spirulina has 59% more

Health Benefits Comparison

Nori (Seaweed) Benefits

  • Highest iodine content for thyroid function
  • One of few plant sources of vitamin B12
  • Contains omega-3 EPA naturally
  • Rich in minerals from the ocean
  • Supports gut health with unique fibers
Full Nori (Seaweed) nutrition guide →

Spirulina Benefits

  • Complete protein source with 60% protein by weight and all 9 essential amino acids
  • Phycocyanin pigment provides powerful anti-inflammatory and antioxidant effects
  • Highly bioavailable iron (28.5mg per 100g) helps prevent and treat iron deficiency
  • Gamma-linolenic acid (GLA) supports hormonal balance and reduces inflammation
Full Spirulina nutrition guide →

Practical Considerations

💰 Cost

Nori (Seaweed): Moderate

Spirulina: Moderate

🕒 Preparation

Nori (Seaweed): Easy

Spirulina: Easy

📦 Storage

Nori (Seaweed): Refrigerate

Spirulina: Refrigerate

🍽️ Versatility

Nori (Seaweed): Very versatile

Spirulina: Very versatile

The Bottom Line

Both Nori (Seaweed) and Spirulina are nutritious choices with unique benefits. Your choice depends on your specific health goals, dietary preferences, and lifestyle.

Choose Nori (Seaweed) if: Nori (Seaweed) and Spirulina have a broadly similar nutrient profile, so choose Nori (Seaweed) based on taste, texture, cost or what you have to hand.

Choose Spirulina if: Choose Spirulina for more iron (29mg vs 18mg) per 100g. It is also lower in calories (286 vs 350 per 100g).

Best approach? Include both in your diet to get a wider range of nutrients!

Track Nori (Seaweed) and Spirulina in Nutrivio

Compare how Nori (Seaweed) and Spirulina fit into your personalized nutrition goals. Track macros, calories, and micronutrients to make informed food choices.