Free guide · Histamine · Lectin · Oxalate
Food Filter Guide
Three filters to explore
How to use this guide
- Visit each filter page. Check every food you eat regularly. Your tally at the bottom shows where your favorites land.
- Open the Grocery List Builder. Choose what to keep or avoid in each filter, then tap foods to add them to your list.
- Shop from My List. It shows only what you picked. Tap items off as they go in the cart. Your list stays saved on this device.
Reading the badges
The letter tells you the filter
H Histamine
L Lectin
O Oxalate
The color tells you the level
Green = Low histamine, Lectin-free, or Low oxalate
Yellow = Moderate oxalate (only the oxalate filter has a moderate level)
Brown = Higher histamine, Contains lectins, or High oxalate
O★Star = One of the Top 8 highest-oxalate foods
HDotted outline = That filter group is unknown in this guide
Example
AppleHLO
Low histamine, lectin-free, and high oxalate.
Grocery List Builder only
DDOn EWG's Dirty Dozen. Buy organic when you can.
DDFlagged by EWG just below the Dirty Dozen
C15On EWG's Clean Fifteen (lowest pesticide residue)
Histamine page only
+L+OThis food also contains lectins or oxalates
Look beyond the plate
Somehow holding it all together, but running on empty?
Where organic matters most
Dirty Dozen
Highest pesticide residues. Buy these organic when you can.
- 1Spinach
- 2Kale, collard & mustard greens
- 3Strawberries
- 4Grapes
- 5Nectarines
- 6Peaches
- 7Cherries
- 8Apples
- 9Blackberries
- 10Pears
- 11Potatoes
- 12Blueberries
Also flagged: green beans, and bell & hot peppers.
Clean Fifteen
Lowest pesticide residues. Conventional is a reasonable choice here.
- 1Pineapple
- 2Sweet corn (fresh & frozen)
- 3Avocados
- 4Papaya
- 5Onions
- 6Sweet peas (frozen)
- 7Asparagus
- 8Cabbage
- 9Cauliflower
- 10Watermelon
- 11Mangoes
- 12Bananas
- 13Carrots
- 14Mushrooms
- 15Kiwi
Source: Environmental Working Group, 2026 Shopper's Guide to Pesticides in Produce. EWG updates these lists every spring. For education only, not medical advice. Read the full disclaimer.
References & Resources
Sources
Books to explore
Build your grocery list
HHistamine
LLectin
OOxalate
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