Beef vs Mycoprotein
Mycoprotein is grown in fermenters rather than fields, so its land requirement barely registers. Check the label: some formulations still bind with egg white.
Per per kg
Greenhouse gaseskg CO₂e / kg
Beef
99.5
Mycoprotein
5.5
Land usem² / kg
Beef
326
Mycoprotein
2
Fibreg / 100 g
Beef
0
Mycoprotein
6
Proteing / 100 g
Beef
26
Mycoprotein
11
Source: Poore & Nemecek (2018), Science · Our World in Data · USDA FoodData Central
Verdict
Fermented fungal protein needs about 0.6% of beef's land.
Questions people ask
Is mycoprotein always vegan?
No — many products use egg white as a binder. Look for the explicitly vegan range.