Nutri-Flow's nutrition calculation service utilizes smart computing methods to generate a reliable result. The calculation uses fuzzy logic and genetic algorithms to find the best result. Fuzzy logic brings tools in addition to handling inaccurate numbers to make efficient use of expert knowledge. The model formed does not contain complicated mathematical formulas, but consists of IF-THEN rules: “IF you get too much of vitamin c and too much water, THEN berries and fruits are added”.