Phenylalanine content estimation-Inverse recipe method

This page provides a calculator to obtain an upper bound and a lower bound for the phenylalanine(PHE) content of one serving of a food based on the serving size listed in the nutrition facts and the list of ingredients. We are assuming that no part of any ingredient is removed during the preparation process.
Warning : For research purpose only. The results obtained with this tool may be inconsistent with the actual PHE content of the food. Please see the method description(//link) for more details. Neither the authors nor Purdue University assumes responsibility for damages resulting from using this PHE estimation tool.

Please, insert the amount of one serving of the food.
Serving size (g) :

Please, insert at least one nutrient content of the food.

Please, list all of the ingredients of the food in the order in which they are written on the label.
Click "add" or "delete" button to add or remove an ingredient