Similarly, it's a "complete" protein, whereas most vegetables and legumes are missing necessary amino acids.
The downside of beef isn't the "density" of nutrients: the downside is high saturated fat. Chicken breast, though, is similarly high in protein without the saturated fat downside.
- Chicken: 27/100g
- Beef: 31g/100g
- Hemp: 32g/100g
- Pumpkin: 33g/100g
- Soy: 36g/100g
- Seitan: 75g/100g
Missing amino acids isn't a problem IRL as people tends to eat different stuff.Eating only one type of food is not good for your health, whether it is a plant or animal product.