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Bundeslebensmittelschlüssel
What is the BLS?
The German Nutrient Data Base (German: Bundeslebensmittelschlüssel) is a nutritional value table on the basis of electronic data processing. The BLS was developed as a standard instrument - to be handled uniformly - for the assessment of nutritional surveys in the Federal Republic of Germany.
The BLS essentially covers average nutritional values (137 constituent data per food) of approximately 10000 foods available on the German market (fresh foods, food preparations, dishes etc.).
The Data Base contains research results of German Federal Research Centres and universities. In addition analytical values compiled from nutritional science literature, international nutrient tables and from food producing firms were used.
All this data and their sources are documented in an unpublished “base value data file”.
The analysed data correspond mostly to unprocessed food items. In order to obtain the nutrition values for composite dishes and processed food as well, methods of calculation were developed. That means that nutritional data in the BLS were mainly generated by algorithms and model calculations.
Since May 2004 is the BLS under responsability of the Federal Research Centre for Nutrition and Food, location Karlsruhe.
For the first time the BLS database and all other information round the BLS are available in an online version.
The BLS user can access the BLS website every time they need it and changes and news reach them in a much accelerated way. Also the contact between user and BLS team is uncomplicated trough the website.
How can you receive a BLS password and an username?
The BLS has a variety of customers like nutritionists, dieticians, representatives of the food industry and producers of kitchen appliances and sports equipment.
If you are interested in having access to the BLS database, please send us your request using the contact form or an other contact way. Contact