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Caviar (sturgeon roe) for Sustainable Protein
25g protein per 100g · Complete
Fits in moderation
Lower-impact protein sources — legumes, algae, and small fish — let you hit your target without the land and water cost of large livestock.
The numbers
Per 100g
25g
250 kcal
Daily target (70kg)
~98g
protein per day
Per 1 tbsp
4g
40 kcal per serving
Servings/day to hit target
25×
~1000 kcal from this food
Why it works for sustainable protein
For sustainable eating, look for low environmental footprint per gram of protein. Caviar (sturgeon roe) isn't a top pick — tiny fish eggs — pure protein and fat.
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