Fish and shellfish intolerance: how to tell it from an allergy, why histamine and freshness matter, where seafood hides, and how to replace it safely.

Alcohol intolerance can mean flushing, a stuffy nose or headaches after wine, beer or spirits. Learn the likely causes and how to spot your own triggers.

Chocolate intolerance is often down to milk, sugar, fat or caffeine rather than cocoa. See the signs, the likely culprit and simple swaps that work.

FODMAPs are carbs some guts struggle to absorb, causing bloating and wind. Learn what they are, where they’re found and how the low-FODMAP diet works.

Food additives and E-numbers explained: what the codes mean, which additives people most often react to, how to read labels and how to find your triggers.

Garlic and onion intolerance usually means bloating, wind and cramps hours after eating. See where they hide and easy swaps that keep your food tasty.

Bloating after porridge? Learn why oats cause wind and bloating, how gluten contamination fits in, and a simple three-week experiment to find the cause.

Tomato intolerance: the symptoms people notice, why acidity, histamine and nightshades matter, where tomato hides, and tasty tomato-free swaps.

Rice intolerance is possible but uncommon. Learn the symptoms, why portions, leftovers and other ingredients matter, and how to check if rice is to blame.

Coffee and caffeine intolerance: the signs, how to tell caffeine from coffee, milk or sweeteners, how much is in your drinks, and how to cut back easily.