Back to Ingredient checker
lemon

lemon

Fruit

Trigger checker for lemon

FODMAP rating
Medium FODMAP

See lemon rated across every trigger — FODMAP, histamine, salicylate, oxalate, tyramine and more — plus diet compatibility, all in one quick ingredient profile.

Sensitivities

What lemon contains

FODMAPs

FODMAPsLow
FructansSafe
GOSSafe
FructoseSafe
PolyolsSafe
LactoseSafe

Histamine & Amines

HistamineSafe
Histamine LiberatorsHigh
TyramineSafe

Plant compounds

SalicylatesLow
OxalatesSafe
Lectin
NightshadesSafe

Irritants

CaffeineSafe
AlcoholSafe
Spicy FoodsSafe
Acidic FoodsAvoid

Additives

SulfitesSafe
NitritesSafe
GlutamatesSafe

Allergens

Dairy ProteinsSafe
GlutenSafe
EggSafe
PeanutSafe
Tree NutsSafe
SoySafe
FishSafe
CrustaceansSafe
MolluscsSafe
SesameSafe
CelerySafe
MustardSafe
LupinSafe
Alpha-galSafe
NickelSafe

Diet fit

Where lemon fits

Therapeutic diets

Low HistamineAvoid
Low SalicylateFit
Low FermentationSafe
EoE CompatibleFit
AIPFit
InflammationFit
Reflux DietAvoid
Specific CarbohydrateFit
Low FibreFit
Gastroparesis DietFit

Lifestyle diets

VeganFit
VegetarianFit
PescatarianFit
MediterraneanFit
DASH DietFit
PaleoFit
Whole30Fit
KetoCheck
Low-carbFit

Religious diets

HalalFit
KosherFit
Hindu (no beef)Fit
JainFit
Buddhist VegetarianFit
Orthodox FastingFit
Ingredient notes

What to know about lemon

Lemon is a classic histamine liberator: it is low in histamine itself, yet it prompts your mast cells to release their own histamine, which is why citrus can bring on hives, itching, flushing or a runny nose even though the fruit is not a high-histamine food. That catches people out on a low-histamine diet, because the usual trick of choosing fresh, unaged foods does not neutralise a liberator. Lemon is also moderately high in salicylates and a moderate FODMAP by volume, so a big squeeze adds to the load, but the liberator effect is the story worth watching.

Watch for

  • Strong histamine liberator, so it can cause hives, itching, flushing or a stuffy nose even though lemon is low in histamine itself
  • Being low-histamine does not make it safe if you are liberator-sensitive: the reaction comes from your own released histamine, not from the fruit
  • Moderate salicylate, an extra trigger if you also react to aspirin or salicylate-rich foods
  • A large volume of juice is a moderate FODMAP load, so a small squeeze sits better than a whole glass of lemonade

FAQ

What does the FODMAP rating mean for lemon?

Medium FODMAP: portion size matters more than the ingredient itself.

Is lemon generally well tolerated?

Acidic Foods (Avoid) and Histamine Liberators (High) Start with those if you react.

What should I check next?

Compare within the Fruit group.