How Much PHE

A comprehensive diet-management system for PKU with phe/pro/exchange and calorie values for more than 7,000 foods. Easily record, chart, and export your intake and blood levels.
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Search the database for the Phe content of foods, including all foods in the Low-Protein Food List for PKU and National PKU News' Baby Food list.

Find Related Values

Get Phe, Exchanges, Protein and Calories for the foods you find.


Enter your own quantities in weight, phe, protein, or exchanges, and convert to get the related values.


Track your goals, phe/protein/exchange intake, blood levels, and more. Easily export records for yourself or your clinic.