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Natto (fermented soybeans) for Sustainable Protein
18g protein per 100g · Complete
Strong pick
Lower-impact protein sources — legumes, insects, algae, and small fish — let you hit your target without the land and water cost of large livestock.
The numbers
Per 100g
18g
Daily target (70kg)
~98g
100g portion
18g
Servings/day to hit target
5×
Why it works for sustainable protein
For sustainable eating, look for low environmental footprint per gram of protein. Natto (fermented soybeans) checks those boxes — sticky fermented soybeans — vitamin k2 powerhouse.
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