. 2022 Dec 25;12(1):99. doi: 10.3390/foods12010099

Table 3.

True ileal amino acid digestibility (%) of different protein sources.

Protein Source	True Ileal Amino Acid Digestibility (%)
Whey protein isolate ¹	100
Whey protein concentrate ¹	98
Milk protein concentrate ¹	94
Pea protein concentrate ¹	98
Soya protein isolate ¹	96
Whole wheat ²	93
Oats ²	89
Buckwheat ²	88
Brown rice ²	85
Polished rice ²	77

¹ Data adapted from [49]; ² data adapted from [50].