The Product Knowledge Blog

Ingredients, nutrition facts, barcode guides and smart shopping tips from around the world.

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Nutrition Nutri-Score rating
Nutri-Score Explained: What Does the A-E Rating Really Mean?
The Nutri-Score label appears on millions of products across Europe. Here is exactly how the A to E rating is calculated and what it means for your diet.
Ingredients Hidden allergens
Hidden Allergens: 12 Surprising Ingredients You Never Knew Were in Your Food
Gluten in soy sauce, dairy in crisps, nuts in chocolate spread. We reveal the most common hidden allergens found in everyday supermarket products.