Symptom guide
Food Sensitivity Symptoms
Food sensitivities can show up in surprising ways — from bloating and fatigue to skin flare-ups and joint pain. Explore each symptom below to understand what may be driving it and how an accredited UKLabs test can help.
Bloating
Persistent stomach bloating after meals is one of the most common signs of food sensitivity. Learn more →
Weight Gain
Unexplained weight gain — especially around the middle — can be linked to chronic inflammation from trigger foods. Learn more →
Fatigue
Feeling tired all day — even after a full night's sleep — can stem from reactive foods and nutrient gaps. Learn more →
Diarrhoea
Frequent loose stools can be a clear sign that your digestive system is struggling with specific foods. Learn more →
Acne and eczema
Skin flare-ups, breakouts and eczema often mirror what's happening inside the gut. Learn more →
Joint Pain
Aching joints without obvious cause can be linked to systemic inflammation from reactive foods. Learn more →
Not sure which symptoms apply to you?
Our accredited food sensitivity test screens against 1,000+ foods so you get the whole picture, not just a guess.