Anti‐nutrient by‐products by exposure from a daily portion. A daily portion is calculated as 200 kcal, except for products 18 and 19, which are supplements to be added to a porridge in a daily ration of 12 g (44 kcal) and products 23 and 32a, which are supplement to be used in a 20 g daily ration. Product description is shown in Table 1. Products 4 and 32 were sampled in replicates with different premix compositions. (A) Inositol hexaphosphate (IP6); (B) total polyphenols [tannins, Folin–Ciocalteu, standard: gentisic acid (2,5‐dihydroxybenzoic – DHB)]; and (C,D) chymotrypsin and trypsin inhibitors: IU g−1 = inhibitor units (IU) per gram of samples. Lectin: concanavalin A reactive glycoprotein.