Years of bloating, persistent headaches, skin flaring up for no obvious reason, joint pain that comes and goes. You’ve had blood tests. Everything comes back normal. Your GP shrugs. You keep living with it.
This is where reliable food sensitivity tests become genuinely worth considering. Not because they’re a magic fix, but because they give you actual data about your body’s immune response to specific foods rather than more guesswork.
IgG Testing Explained Simply
ImuPro tests for IgG antibodies. These are delayed immune responses, meaning symptoms can show up hours or even days after eating the trigger food. This delay is exactly why so many people never connect their symptoms to specific foods on their own.
IgE testing covers immediate allergic reactions, the kind that happen fast and are obvious. IgG reactions are slower, subtler, and much harder to identify without testing.
What Makes a Test Actually Reliable
The word “reliable” gets thrown around a lot in health and wellness marketing. Here’s what it actually means in practice.
ImuPro uses ELISA-based blood serum testing, which is a clinically established immunoassay method. Blood serum is the gold standard sample for measuring IgG antibodies because it’s free of cellular components that can interfere with results. Other testing methods, including whole blood and cytotoxic testing, are more prone to variation.
Critically, ImuPro tests for IgG1, IgG2, and IgG3 subclasses, the pro-inflammatory antibodies, rather than IgG4. This distinction matters because a lot of the criticism of IgG food testing is specifically about IgG4 testing, which behaves differently. ImuPro’s methodology sidesteps that controversy.
The laboratory processing is done in Germany to certified standards, with strict quality controls and reproducible results.
How Many Foods Are Actually Tested
Depending on which test you choose, ImuPro screens between 44 and 270 individual foods and additives.
The Complete 270 covers meat, grains, fruit, vegetables, dairy, eggs, seafood, legumes, seeds, nuts, spices, herbs, sweeteners, preservatives, thickening agents, tea, coffee, wine, yeast, and Candida albicans. It’s the only food sensitivity test that covers herbs, spices, and common food additives this comprehensively.
For vegetarians, there’s a 221-food panel that drops meat and fish. For those wanting a starting point, the Screen+ covers 44 common trigger foods.
What Happens After the Test
Results aren’t just a list of numbers. You receive a report showing your IgG antibody response to every tested food, categorised into not elevated, elevated, and highly elevated. With most tests, you also get personalised nutritional guidelines walking you through an elimination phase, a provocation phase to confirm which foods are actual triggers, and a stabilisation phase.
The Complete and Vegetarian tests also include a recipe booklet tailored specifically to your non-reactive foods, which makes the dietary changes genuinely practical rather than leaving you to figure out substitutes on your own.
No GP Referral Needed
ImuPro provides all the pathology paperwork. You order the test, receive a kit with a pathology request form, get your blood drawn at a pathology centre near you, and send the serum sample back for testing. Your GP isn’t required to be involved, though many practitioners do refer patients through ImuPro.
Who Benefits Most
People with chronic unexplained symptoms who’ve had standard tests come back normal. Those who’ve suspected certain foods are causing problems but can never pinpoint which ones. Anyone who’s spent years doing food elimination by feel, which takes ages and is often inconclusive.
The ImuPro approach removes the guesswork and replaces it with specific, reproducible data about your individual immune response.
ImuPro has been providing testing to Australians and New Zealanders since 2005. Call 1300 481 151 to find out which test suits your situation.
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