Information output apparatus, label printer and information output method

A label printer comprising:

• a reception part to receive identification information of a product;
• a determination part that reads a content of a nutrient contained in the product having the identification information received by the reception part from a storage part, compares the read content of the nutrient with a reference value indicating a display allowable range in which a display relating to the content of the nutrient may be performed, and determines whether the display relating the content of the nutrient may be performed for the product;
• an information output part that outputs information relating to the content of the nutrient when it is determined that the display relating the content of the nutrient may be performed for the product;
• and
• a printer that prints the information relating to the content of the nutrient outputted by the information output part onto a print medium.

An information output method comprising:

• receiving identification information of a product;
• reading a content of a nutrient contained in the product having the received identification information from a storage part;
• comparing the read content of the nutrient with a reference value indicating a display allowable range in which a display relating to the content of the nutrient may be performed;
• determining whether the display relating the content of the nutrient may be performed for the product;
• and
• outputting information relating to the content of the nutrient when it is determined that the display relating the content of the nutrient may be performed for the product.