In the Premium version you can import ingredients and their nutritional data from an XML file.
An example XML structure:
<?xml version="1.0" encoding="UTF-8"?>
<ingredients>
<ingredient name="apple" plural="apples" link="http://www.google.com" hide_link="false" group="Fruit" reference_serving="100 g" metric_quantity="100" metric_quantity_unit="g" calories="1866" carbohydrate="31" protein="28" fat="183" saturated_fat="30" polyunsaturated_fat="20" monounsaturated_fat="123" trans_fat="" cholesterol="116" sodium="1289" potassium="308" fiber="1.7" sugar="1.7" vitamin_a="0.9" vitamin_c="0.9" calcium="8.7" iron="105"/>
<ingredient name="strawberry" plural="strawberries" hide_link="true" group="Fruit" reference_serving="1 appel" metric_quantity="30" metric_unit="g" calories="1866" carbohydrate="31" protein="28" fat="183" saturated_fat="30" polyunsaturated_fat="20" monounsaturated_fat="123" trans_fat="" cholesterol="116" sodium="1289" potassium="308" fiber="1.7" sugar="1.7" vitamin_a="0.9" vitamin_c="0.9" calcium="8.7" iron="105"/>
</ingredients>