Explore our most common questions about ordering, sample collection, results, and more - all in one place.

Yes, Smartblood use the established ELISA plate testing method to accurately detect IgG antibody reactions to food and drink ingredients. There is no doubt that using ELISA plate techniques yield reliable repeatable results. View our scientific studies page for more information.

Yes, Smartblood tests the full IgG spectrum (IgG 1-4).

Our test looks to identify antibodies produced as a direct response to any trigger foods that you’re unknowingly consuming. If said foods aren’t being eaten, the antibodies won’t be produced and our test won’t detect them.

Yes, the Smartblood Food Intolerance Test can easily be carried out, by yourself, at home. A very small amount of blood is needed, full instructions are given, and a return envelope is provided so that you may return your sample safely to our UK-based Laboratory.

The minimum age we recommend is 24 months due to an undeveloped immune system.

Both Steroids and Immunosuppresants may affect results – please let us know if you are considering taking the test whilst on these. We will never suggest you stop taking these drugs.