Hair vs blood intolerance tests: what is the difference?
Hair vs blood intolerance tests compared: the sample, what each looks at, how easy they are at home and how fast results arrive. Find the right fit.
UK Food Intolerance
Guides
Plain-English guides to food intolerance, symptoms, elimination diets and how hair sample testing works.
How long do intolerance test results take?
How long do intolerance test results take? Your report arrives within 3–5 working days of your sample reaching our lab, or 48 working hours with priority. See the steps.
Dog diarrhoea after chicken: causes and what to do
Dog diarrhoea after chicken is often a simple upset, but a repeating pattern can point to food. See the causes, home care steps and when to call the vet.
How to take your hair sample (step by step)
How to take your hair sample for intolerance testing: cut 4–5 strands close to the scalp and post them in a standard envelope. Clear steps and tips.
Food intolerance in children: a parent’s guide
Food intolerance in children: signs to look for, how it differs from allergy, common trigger foods and how to make diet changes safely. A calm, clear read.
Food intolerance symptoms: a practical checklist
Food intolerance symptoms explained: a checklist of digestive, skin, energy and head signs, how soon they start, and how to find your trigger foods.
A beginner’s guide to food sensitivities
New to food sensitivities? Learn what the term means, the main types and symptoms, and a simple four-step way to find your triggers without guesswork.
Almond intolerance: symptoms and alternatives
Almond intolerance symptoms, how they differ from a nut allergy, where almonds hide in food and drink, and easy alternatives for baking, milk and snacks.
Salicylate sensitivity: symptoms and foods
Salicylate sensitivity is a reaction to natural chemicals in fruit, herbs, spices, tea and coffee. Learn the signs, high-salicylate foods and what to try.
Dairy intolerance: symptoms, triggers and what to do
Dairy intolerance explained: the symptoms people notice, which dairy foods are usually behind them, and practical steps to find the amount that suits you.