Beyond the Traffic Lights: How the UK’s Color-Coded Labels Impact Your Gut Health
Does a "Green" label mean it's good for your gut? In 2026, the UK's traffic light system is being used alongside new gut-health tracking. Learn how
CalorieFinder
Beyond the Traffic Lights: How the UK’s Color-Coded Labels Impact Your Gut Health
If you're shopping in a UK supermarket in 2026, you can't miss them: those red, amber, and green "Traffic Light" indicators on the front of every sandwich, ready-meal, and snack. While these labels have helped Brits manage salt and sugar for years, a new question is dominating the aisles: What do these colors actually mean for your gut microbiome? With the 2026 National Gut Health Initiative revealing that over half of the UK population suffers from some form of dysbiosis, CalorieFinder UK ( uk.caloriefinder.org ) is bridging the gap between "at-a-glance" labels and deep-dive digestive health. 1. The Traffic Light Basics (2026 Update) The UK’s voluntary system has become the gold standard for front-of-pack (FOP) labeling. Here is the current 2026 breakdown per 100g: Nutrient Green (Low) Amber (Med) Red (High) Sugar ≤ 5g 5.1g – 22.5g > 22.5g Salt ≤ 0.3g 0.31g – 1.5g > 1.5g 2. The "Green" Trap for Gut Health A product might have all "Green" lights—low …