How to read a Nutrition Facts label
A practical walkthrough of the US Nutrition Facts panel — serving size, calories, % Daily Value, and nutrients many shoppers watch closely.
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Learn how to read what’s on the package
US food labels pack a lot into small print. These guides explain how to read Nutrition Facts and ingredient lists, what a NutriLens scan can reasonably tell you, and what a meal photo can estimate — without turning informational content into medical advice.
Definition
What is the NutriLens Learn section?
The NutriLens Learn section helps people in the United States understand packaged-food labels, Nutrition Facts panels, ingredient lists, meal-photo estimates, and the limits of barcode and photo-based product information.
Guides
Start with these cornerstones
How to read an ingredient list
Ingredient lists show what is in a packaged food, usually in order by weight. Here is how to read them calmly and carefully.
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What a scan can — and cannot — tell you
Barcode, label photo, and meal photo are different starting points. Here is what each can reasonably show, and where you still need the package.
Read the guideWhat a meal photo can estimate
Meal photos can suggest foods, rough portions, and nutrients — with clear limits. Here is what NutriLens treats as an estimate, and when the US package label still wins.
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See how NutriLens uses this information
These guides stand on their own. When you are ready, see how the upcoming NutriLens mobile app turns labels and photos into clearer answers — with published limits.