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.

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.

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.

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.

What is bioresonance? A plain-English guide to where it comes from, how it is used in hair sample testing, and how to use your report sensibly.

Understanding your intolerance report: what the high, medium and low groups mean, what to do first, and how to run the elimination plan with confidence.