Waitrose is making a major change across its UK stores to help shoppers make healthier choices more easily.

The supermarket giant, whose largest store is in Canary Wharf, London, now labels food products to highlight important nutritional information. But it’s a step up from the standard labelling, which denotes foods low in calories, saturated fats, or high in protein.

Shoppers will now find handy green stickers on items containing many plant varieties, including Waitrose’s brand cereals,…