All packaged foods need to be labeled. In general, a packaged product label must have:
The name of the product
A listing of ingredients in decreasing order of predominance by weight
A net weight or volume statement
The name, address, and zip code of the manufacturer, packer or distributor
Nutrition information, unless the food is specifically exempt
Several resources are available to help you with any labeling questions you might have including:
Frequent Food Label Questions--A brief guide to processed food labeling, and how to get more information.
Nutrition Labeling--This guide contains basic food labeling information as well as information on nutrition facts, trans fat and allergen labeling.
Small Business Exemptions from Nutrition Labeling--Small businesses may qualify for exemptions from nutrition labeling. Specific food products will not be eligible for this exemption if nutrient content, health claims or other nutrition information appears on the label.
Trans Fat Labeling--Businesses to include trans fat in their nutrition labeling if they are either required to provide nutrition labels or are providing them on a voluntary basis. One exception to this is the special case of nutrilabels in the simplified format which often do not require trans fat labeling.
Labeling and Packaging--This sheet discusses product formulation, the content of labels, and packaging.
Labeling Language--This sheet discusses plain language, required ingredients and supplemental statements.
Bar/Universal Product Codes--The Uniform Code Council, Inc. has information about getting barcodes.