Matís can help you prepare a nutrition declaration (formerly called nutrition labeling). We advise you what materials need to be measured and how to take samples. If it is possible to calculate the nutritional value, we will take it on.
You can get more information about food labeling on Matís' website here: Packaging labels - Matís (matis.is)
The ÍSGEM database can be used for food labeling. Information about the database and its search can be found here: ÍSGEM