The protein content is over 90%. It is made from non-GMO soybean ISP310A:

ITEM	ISP300	ISP310	ISP310A	ISP320	ISP320A
Protein(in dry base)	>=90.0%	>=90.0%	>=90.0%	>=90.0%	>=90.0%
Moisture (%)	<=7.0	<=7.0	<=6.0	<=7.0	<=7.0
Ash (%)	<=5.0	<=5.0	<=5.0	<=5.0	<=5.0

Protein on dry matter 90% minMoisture 7%maxAsh 6%maxCrude fiber 4%maxFat 0.5%maxPH 7±0.5Color lightFlavor neutral

Isolated Soy Protein