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 Malt Never Gluten Free Many malted products contains gluten. Check the ingredients if gluten-free is not on the label.
8 Egg Sometimes Gluten Free May contain gluten if used as an ingredient. Some foods add wheat based batter to eggs.
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 Pasta Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
14 Dextrin Sometimes Gluten Free If found on a meat or poultry product could be from any grain, including wheat.
15 Dough Sometimes Gluten Free May contain gluten. Must be verified by checking the label or by contacting the manufacturer.
16 Roux Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
17 Stock Sometimes Gluten Free Some stock cubes include wheat-based food additives.
18 Bread 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 Farina Never Gluten Free Variety or derivative of wheat. Check the ingredients if gluten-free is not on the label.
21 Crust Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
22 Biscuit Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
23 Cake Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
24 Dressing Sometimes Gluten Free May contain malt vinegar, soy sauce, flour.
25 Cookie Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
26 Buckwheat Sometimes Gluten Free Often contaminated with other grains, such as wheat.
27 Sausage Sometimes Gluten Free May contain wheat-based additives.
28 Graham Never Gluten Free Variety or derivative of wheat. Check the ingredients if gluten-free is not on the label.
29 Candy Sometimes Gluten Free Some candies include wheat-based ingredients.
30 Spelt Never Gluten Free An ancient strain of wheat and contains gluten levels similar to modern day wheat.
31 Granola Sometimes Gluten Free Some bars may contain wheat as an ingredient, and most use oats that are not gluten-free.
32 Tortilla Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
33 Marinade Sometimes Gluten Free May contain malt vinegar, soy sauce, flour.
34 Orzo Sometimes Gluten Free A form of short-cut pasta. Often made with wheat-based ingredients.
35 Couscous Sometimes Gluten Free Made from granules of durum wheat, so it is not gluten-free.
36 Bulgur Sometimes Gluten Free A cereal food often made with wheat-based ingredients.
37 Triticale Never Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
38 Cracker Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
39 Pretzel Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
40 Soup Sometimes Gluten Free Pay special attention to cream-based soups, which have flour as a thickener. Many contain barley.
41 Beer Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
42 Kamut Never Gluten Free Variety or derivative of wheat. Check the ingredients if gluten-free is not on the label.
43 Noodle Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
44 Brownie Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
45 Ravioli Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
46 Wafer Sometimes Gluten Free May contain gluten. Must be verified by checking the label or by contacting the manufacturer.
47 Roll Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
48 Farro Never Gluten Free Variety or derivative of wheat. Check the ingredients if gluten-free is not on the label.
49 Panko Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
50 Seitan Never Gluten Free Includes wheat gluten. Found in many veggie burgers and imitation meat.
51 Gravy Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
52 Matzo Sometimes Gluten Free A type of flatbread that often contains wheat-based ingredients.
53 Multi-grain Sometimes Gluten Free Multi-grain foods may contain a wheat-based ingredient.
54 Croissant Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
55 Brewer Never Gluten Free Yeast used in beer making. Often contains gluten. Check ingredients if gluten-free isn't on label.
56 Muffin Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
57 Gnocchi Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.
58 Toast Sometimes Gluten Free Often contains a form of grain gluten. Check the ingredients if gluten-free is not on the label.