Soy has several protease inhibitors that interfere with the enzyme trypsin and chymotrypsin, both of which are important for the digestion and absorption of proteins in the gastrointestinal tract. (blog.nkdnutrition.com)
We improved the recipe by adding a probiotic to help with absorption of protein as well as lactase which helps with anyone who has issues with milk products or lactose. (skratchlabs.com)
In my former country (Poland) some farmers often mixed some fenugreek with food to fatten animals as fenugreek was improving absorption of protein and fat. (fullhealthsecrets.com)