Low-quality protein contains only non-essential

amino acids whilst high-quality protein contains both essential and

non-essential amino acids

High-quality protein contains all the essential amino

acids in an appropriate balance, whilst low-quality protein does not contain

all essential amino acids

Beef is considered high-quality protein whilst

soy protein is considered low-quality protein

High-quality protein can only be found in animal

products, whilst all plant products are low-quality protein