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Best Food Intolerance Tests
If you suspect a food additive or ingredient is affecting you, these home test kits can help narrow down the cause before a GP or dietitian appointment.
#1
Circle DNA Premium — Nutrition & Sensitivity Reports
An at-home DNA test covering how your body responds to foods, nutrients and additives — 500+ reports including diet, fitness and food sensitivity. (US)
Circle DNA fitness & nutrition →
#2
HealthLabs Gastrointestinal Testing
Lab-ordered panels covering common causes of digestive symptoms — useful if a suspected additive (sulphites, sorbitol, sweeteners) keeps lining up with GI issues and you want a confirmed answer rather than more elimination guessing.
HealthLabs GI testing →
#3
Home Food Intolerance Test Kit
Home test kits that check reactions to a broad panel of foods and additives. Results in minutes or posted to a lab for full analysis.
Food intolerance kits on Amazon →
#4
Food Sensitivity Diary
Log meals, ingredients and symptoms over time. The low-tech but effective method for identifying additive triggers without a test.
Food sensitivity diaries →
#5
IgE Allergy Blood Test Kit
Fingerprick blood tests for IgE-mediated allergies (distinct from intolerance). Sent to a certified lab with results online.
Allergy test kits on Amazon →
Once you know which additives to watch, use this site's E-number pages to check every ingredient you encounter.
For pregnancy-specific concerns, see our pregnancy guide.
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