Quick Summary
When to Choose Sardines
Choose Sardines for more calcium (382mg vs 218mg) and more protein (25g vs 18g) per 100g.
When to Choose Natto
Choose Natto for more magnesium (114mg vs 39mg) and more iron (7.8mg vs 2.9mg) per 100g.
Nutrition Facts Comparison
Side-by-side comparison per 100g serving:
| Nutrient | Sardines | Natto | Winner |
|---|---|---|---|
| Calories | 208 | 212 | 🏆 Sardines |
| Protein | 24.6g | 17.8g | 🏆 Sardines |
| Total Fat | 11.5g | 0g |
Key Vitamins & Minerals
Calcium
🏆 Sardines has 75% more
Iron
🏆 Natto has 2.7x more
Magnesium
🏆 Natto has 2.9x more
Health Benefits Comparison
Sardines Benefits
- Exceptionally high in omega-3s for heart and brain health
- Excellent source of vitamin D and calcium (with bones)
- Rich in protein for muscle building
- Low in mercury compared to larger fish
Natto Benefits
- Highest vitamin K2 source (870µg per 100g) directs calcium to bones and away from arteries
- Nattokinase enzyme supports healthy blood clotting and circulation
- Complete protein (17.7g per 100g) with improved digestibility from fermentation
- Probiotic Bacillus subtilis supports gut health and vitamin production
Practical Considerations
💰 Cost
Sardines: Moderate
Natto: Moderate
🕒 Preparation
Sardines: Easy
Natto: Easy
📦 Storage
Sardines: Refrigerate
Natto: Refrigerate
🍽️ Versatility
Sardines: Very versatile
Natto: Very versatile
The Bottom Line
Both Sardines and Natto are nutritious choices with unique benefits. Your choice depends on your specific health goals, dietary preferences, and lifestyle.
Choose Sardines if: Choose Sardines for more calcium (382mg vs 218mg) and more protein (25g vs 18g) per 100g.
Choose Natto if: Choose Natto for more magnesium (114mg vs 39mg) and more iron (7.8mg vs 2.9mg) per 100g.
Best approach? Include both in your diet to get a wider range of nutrients!
Track Sardines and Natto in Nutrivio
Compare how Sardines and Natto fit into your personalized nutrition goals. Track macros, calories, and micronutrients to make informed food choices.
