UK Food Intolerance

Guides

Plain-English guides to food intolerance, symptoms, elimination diets and how hair sample testing works.

Christmas bloating: festive food triggers and easy fixes

6 November 2026

Bloated after Christmas dinner? See which festive foods cause it, from sprouts to stuffing and fizz, plus easy swaps and tips to enjoy the day in comfort.

Sudden food intolerance in adults: why it happens

4 November 2026

Man with stomach pain after drinking a glass of milk

Can you suddenly become intolerant to a food as an adult? Learn the common reasons, the foods most often involved, what else it could be and what to do.

Stomach pain after eating: common causes and what helps

2 November 2026

Man holding his stomach in pain after eating

Stomach pain after eating? See the common food triggers, what the timing of your pain suggests, simple ways to ease it and how to find your triggers.

How at-home hair intolerance testing works

13 October 2026

Woman preparing hair sample at home – how at-home hair intolerance screening works

How at-home hair intolerance testing works: order online, post a few strands of hair, get an emailed report. See every step and what it can tell you.

Gas after beans and lentils: why it happens and what helps

30 September 2026

A bowl of beans, lentils and chickpeas – gas after beans and lentils

Why do beans and lentils cause gas? See which legumes cause the most wind, how soaking, rinsing and portion size help, and when it may be more than normal.

Sugar sensitivity: symptoms and how to cut back

29 September 2026

Image of sugar on a spoon, fructose is a natural sugar in which some people are intolerant to – sugar sensitivity

Sugar sensitivity can mean bloating after certain sugars or energy dips after sweet food. Learn the signs, sugars to watch and simple ways to cut back.

Pet hair intolerance testing: its uses and limits

15 September 2026

Man brushing a dog to collect loose fur – pet hair intolerance screening

Pet hair intolerance testing gives you a ranked list of items to discuss with your vet. See what it can and can’t tell you and how to take the sample.

Cat elimination diet: a step-by-step guide

9 September 2026

Cat resting amid household sensitivity triggers – cat elimination diet

A cat elimination diet means one vet-chosen food for at least six weeks. Follow our step-by-step guide, with tips for fussy, outdoor and multi-cat homes.

Citrus intolerance: oranges, lemons and grapefruit

8 September 2026

Fresh fruit and vegetables including lemons and oranges – citrus intolerance

Citrus intolerance can cause heartburn, a sore mouth or an upset stomach after oranges, lemons or juice. See the likely causes and simple swaps to try.