Top 100 Incompatible Ingredients for Gluten Free Diets

The top 100 most common ingredients that aren't compatible with each diet. Visit the Ingredient Guide for the full list for each diet.

Rank Ingredient Compatibility Description
1 Gluten Never Gluten Free Gluten is a general name for the proteins found in different forms of wheat.
2 Wheat Never Gluten Free Wheat includes gluten. Check the ingredients if gluten-free is not on the label.
3 Starch Sometimes Gluten Free If found on a meat or poultry product could be from any grain, including wheat.
4 Eggs Sometimes Gluten Free May contain gluten if used as an ingredient. Some foods add wheat based batter to eggs.
5 Chocolate Sometimes Gluten Free Some varieties have a risk of contamination from other products. Read the label to see if gluten free.
6 Barley Never Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
7 Egg Sometimes Gluten Free May contain gluten if used as an ingredient. Some foods add wheat based batter to eggs.
8 Malt Never Gluten Free Many malted products contains gluten. Check the ingredients if gluten-free is not on the label.
9 Seasoning Sometimes Gluten Free Some seasonings contain gluten.
10 Semolina Never Gluten Free Variety or derivative of wheat. Check the ingredients if gluten-free is not on the label.
11 Durum Never Gluten Free Variety or derivative of wheat. Check the ingredients if gluten-free is not on the label.
11 Meat Sometimes Gluten Free Many imitation or processed meats include wheat-based ingredients.
12 Chips Sometimes Gluten Free Some potato chip seasonings may contain malt vinegar or wheat starch.
13 Dextrin Sometimes Gluten Free If found on a meat or poultry product could be from any grain, including wheat.
14 Dough Sometimes Gluten Free May contain gluten. Must be verified by checking the label or by contacting the manufacturer.
15 Pasta Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
16 Stock Sometimes Gluten Free Some stock cubes include wheat-based food additives.
17 Bread Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
18 Roux Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
19 Rye Never Gluten Free Often contains gluten. Check the ingredients if gluten-free is not on the label.
20 Crust Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
21 Farina Never Gluten Free Variety or derivative of wheat. Check the ingredients if gluten-free is not on the label.
22 Dressing Sometimes Gluten Free May contain malt vinegar, soy sauce, flour.
23 Cookie Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
24 Cake Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
25 Candy Sometimes Gluten Free Some candies include wheat-based ingredients.
26 Biscuit Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
27 Sausage Sometimes Gluten Free May contain wheat-based additives.
28 Buckwheat Sometimes Gluten Free Often contaminated with other grains, such as wheat.
29 Tortilla Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
30 Graham Never Gluten Free Variety or derivative of wheat. Check the ingredients if gluten-free is not on the label.
31 Granola Sometimes Gluten Free Some bars may contain wheat as an ingredient, and most use oats that are not gluten-free.
32 Spelt Never Gluten Free An ancient strain of wheat and contains gluten levels similar to modern day wheat.
33 Bulgur Sometimes Gluten Free A cereal food often made with wheat-based ingredients.
34 Soup Sometimes Gluten Free Pay special attention to cream-based soups, which have flour as a thickener. Many contain barley.
35 Marinade Sometimes Gluten Free May contain malt vinegar, soy sauce, flour.
36 Beer Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
37 Pretzel Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
38 Triticale Never Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
39 Cracker Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
40 Orzo Sometimes Gluten Free A form of short-cut pasta. Often made with wheat-based ingredients.
41 Couscous Sometimes Gluten Free Made from granules of durum wheat, so it is not gluten-free.
42 Noodle Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
43 Wafer Sometimes Gluten Free May contain gluten. Must be verified by checking the label or by contacting the manufacturer.
44 Brownie Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
45 Roll Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
46 Kamut Never Gluten Free Variety or derivative of wheat. Check the ingredients if gluten-free is not on the label.
47 Ravioli Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
48 Panko Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
49 Ramen Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
50 Multi-grain Sometimes Gluten Free Multi-grain foods may contain a wheat-based ingredient.
51 Farro Never Gluten Free Variety or derivative of wheat. Check the ingredients if gluten-free is not on the label.
52 Gravy Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
53 Croissant Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
54 Seitan Never Gluten Free Includes wheat gluten. Found in many veggie burgers and imitation meat.
55 Muffin Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
56 Donut Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
57 Matzo Sometimes Gluten Free A type of flatbread that often contains wheat-based ingredients.
58 Toast Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
58 Seafood Sometimes Gluten Free Many imitation or processed seafoods include wheat-based ingredients.
59 Flatbread Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
60 Pita Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
61 Gnocchi Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
62 Cheesecake Sometimes Gluten Free Some recipes include wheat flour.
63 Brewer Never Gluten Free Yeast used in beer making. Often contains gluten. Check ingredients if gluten-free isn't on label.
64 Bagel Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
65 Supplement Sometimes Gluten Free May contain gluten. Must be verified by checking the label or by contacting the manufacturer.
66 Poultry Sometimes Gluten Free May contain gluten if self-basting.
67 Pancake Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.