Ryazhenka contains two to three times more calcium than pasteurized or raw milk. And it is absorbed by the body much faster, and most importantly - in its entirety.
Nutrition values per 100g:
Energy: 239-269 kj / 57,2-64,4 kcal
Protein: 3 g;
Carbohydrate: 4,1 g;
Fat: 3,2-4 g.