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Tuna (canned in water) for Sustainable Protein
29g protein per 100g · Complete
Fits in moderation
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
29g
Daily target (70kg)
~98g
1 can
41g
Servings/day to hit target
2×
Why it works for sustainable protein
For sustainable eating, look for low environmental footprint per gram of protein. Tuna (canned in water) isn't a top pick — extremely lean. watch mercury if eating daily.
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