Articles

Basics

Celiac Disease vs. Gluten Sensitivity vs. Wheat Allergy: The Differences

Three different conditions, three different immune reactions, three different tests. Here is what actually separates them.

6 min read

Basics

Cross-Contamination Explained: What It Means and How It Happens

What gluten cross-contamination actually is, how much gluten matters, and where it really happens in a kitchen — with the research behind the advice.

5 min read

Basics

Eating Out Safely with Celiac Disease

How to order at a restaurant with celiac disease — what a gluten-free menu actually guarantees, which questions catch cross-contact, and which dishes carry the most risk.

6 min read

Basics

Getting Tested for Celiac Disease

How celiac disease is diagnosed — blood tests, biopsies, genetic testing, and what to do if you have already gone gluten-free.

7 min read

Basics

Reading Food Labels for Gluten

How to read a US food label for gluten — what the gluten-free claim legally means, which ingredients to double-check, and which ones you can stop worrying about.

6 min read

Basics

Recognizing Symptoms of Celiac Disease and Gluten Sensitivity

The many ways celiac disease and gluten sensitivity present — from digestive symptoms to the ones nobody connects to gluten.

5 min read

Basics

Traveling Gluten-Free

How to travel with celiac disease — airport security, airline meals, translation cards, and how to eat safely once you arrive.

5 min read

Basics

What Is Gluten?

What gluten actually is, which grains contain it, why it matters for celiac disease, and where it hides in everyday food.

7 min read

Is it gluten-free?

Are Cornflakes Gluten-Free?

Corn is gluten-free, but most cornflakes contain barley malt flavoring — and US allergen labeling will not warn you about barley. Why this is the classic gluten-free trap and what to buy instead.

4 min read

Is it gluten-free?

Are French Fries Gluten-Free?

Potatoes contain no gluten, but coatings, seasonings, and above all the shared fryer mean most restaurant fries are not safe for celiac disease. What the testing shows and what to ask for.

6 min read

Is it gluten-free?

Are Potatoes Gluten-Free?

Plain potatoes are naturally gluten-free. Processed potato products like flavored crisps or potato-containing mixes may not be.

2 min read

Is it gluten-free?

Are Tortillas Gluten-Free?

Corn tortillas usually are, flour tortillas never are, and corn-wheat blends sit in between and catch people out. How to tell them apart and what to ask for in a restaurant.

5 min read

Is it gluten-free?

Are Vodka, Gin, and Whiskey Gluten-Free?

Yes — distillation removes gluten proteins from grain-based spirits. Plain vodka, gin, and whiskey are considered gluten-free by every major celiac organization reviewed here. Flavored varieties and malt-based drinks are a separate, higher-risk category.

3 min read

Is it gluten-free?

Is Beer Gluten-Free?

Most beer is brewed from barley or wheat and is not gluten-free. Dedicated gluten-free beers brewed from sorghum, millet, or rice are a safe alternative.

2 min read

Is it gluten-free?

Is Cheese Gluten-Free?

Plain cheese contains no gluten. The risk sits in processed and flavored cheese, the deli slicer, and dairy-free alternatives — plus a long-running debate about blue cheese that has a clear answer.

5 min read

Is it gluten-free?

Is Chocolate Gluten-Free?

Cocoa contains no gluten, but barley malt, cookie and wafer inclusions, and shared production lines all bring it in. What the ingredient list should tell you and which words to look for.

5 min read

Is it gluten-free?

Is Cider Gluten-Free?

Traditional cider made from fermented apple juice is naturally gluten-free. However, some flavored or processed ciders may contain barley malt or other gluten-containing additives. Always check the label for unfamiliar brands.

3 min read

Is it gluten-free?

Is Coffee Gluten-Free?

Yes, plain coffee is naturally gluten-free. Here's what to know about flavored beans, instant coffee, and the real risk points at a coffee shop.

3 min read

Is it gluten-free?

Is Corn Gluten-Free?

Plain corn and cornmeal are naturally gluten-free. Corn tortillas, polenta, and plain popcorn are safe. Flavored and processed corn products need label-checking.

2 min read

Is it gluten-free?

Is Couscous Gluten-Free?

Couscous is made from semolina, a wheat product. It is not gluten-free. Alternatives include quinoa, millet, and rice-based options.

2 min read

Is it gluten-free?

Is Honey Gluten-Free?

Yes, pure honey is naturally gluten-free. Here's what to know about flavored and blended honey products, honey mustard and similar sauces, and cross-contact at home.

2 min read

Is it gluten-free?

Is Ice Cream Gluten-Free?

Plain ice cream is, but mix-ins, malt, and thickeners bring gluten into the tub — and the shared scoop at a shop is a bigger risk than the ingredient list. How to order safely.

5 min read

Is it gluten-free?

Is Ketchup Gluten-Free?

Most standard ketchup is gluten-free. The main ingredients — tomatoes, vinegar, sugar, and spices — contain no gluten. However, some specialty ketchups include malt vinegar or wheat-based thickeners, so check the label.

2 min read

Is it gluten-free?

Is Mayonnaise Gluten-Free?

Standard mayonnaise made from eggs, oil, and vinegar or lemon juice is naturally gluten-free. Most major brands are safe. Aioli, flavored mayonnaises, and some restaurant dressings may contain additional ingredients — check the label.

2 min read

Is it gluten-free?

Is Miso Gluten-Free?

It depends entirely on the grain used to make the koji. Rice miso is usually safe, barley miso is not, and the color of the paste tells you nothing. How to read a miso label.

5 min read

Is it gluten-free?

Is Mustard Gluten-Free?

Plain mustard seeds and most yellow mustard are gluten-free. Some Dijon mustards and spiced mustards use wine or vinegar that may contain gluten, or are processed in facilities with wheat. Check the label, especially for specialty mustards.

2 min read

Is it gluten-free?

Is Oatmeal Gluten-Free?

Oats contain no gluten, but conventional oatmeal is routinely contaminated with wheat, barley, and rye. Certification is the whole answer — plus a separate issue called avenin that certification does not solve.

7 min read

Is it gluten-free?

Is Pasta Gluten-Free?

Most traditional pasta is made from wheat semolina and is not gluten-free. However, a wide range of gluten-free pasta made from rice, corn, quinoa, or legumes is now available.

3 min read

Is it gluten-free?

Is Pizza Gluten-Free?

Standard pizza dough is made from wheat flour and is not gluten-free. Gluten-free pizza bases made from rice flour, cauliflower, or tapioca are widely available, but cross-contamination in pizzerias is a real risk.

2 min read

Is it gluten-free?

Is Quinoa Gluten-Free?

Yes, quinoa is naturally gluten-free. Here's what to know about cross-contact during growing and processing, hidden gluten in cooking broths, and what current research says about quinoa's own proteins.

3 min read

Is it gluten-free?

Is Rice Gluten-Free?

Yes, rice is naturally gluten-free. Here's what to know about cross-contact during processing, misleading rice dishes, and the arsenic question that comes up specifically for rice.

4 min read

Is it gluten-free?

Is Soy Gluten-Free?

Plain soybeans and edamame are naturally gluten-free. Soy products like tofu and soy milk are generally gluten-free, but soy sauce is typically made with wheat. Always check processed soy products.

2 min read

Is it gluten-free?

Is Soy Sauce Gluten-Free?

Most soy sauce is brewed with wheat and is not safe on a gluten-free diet. Tamari is the usual substitute, but not every tamari qualifies. What to buy, what to ask for, and where soy sauce hides.

5 min read

Is it gluten-free?

Is Sushi Gluten-Free?

Rice, fish, and nori are naturally gluten-free — but soy sauce, imitation crab, tempura, and even the rice vinegar can all carry wheat. What to order, what to avoid, and what to ask.

5 min read

Is it gluten-free?

Is Vinegar Gluten-Free?

Most vinegar is gluten-free — including distilled vinegar made from wheat. The one exception is malt vinegar, which skips distillation and is not safe for celiac disease. Apple cider, wine, balsamic, and rice vinegars are gluten-free by ingredient.

3 min read

Is it gluten-free?

Is Wine Gluten-Free?

Yes, wine made from grapes is naturally gluten-free. Here's what to know about fining agents, oak barrel sealants, and why wine coolers and flavored wine drinks are a different question.

3 min read

Is it gluten-free?

Is Yogurt Gluten-Free?

Yes, plain yogurt is naturally gluten-free. Here's what to know about Greek yogurt, flavored and mix-in varieties, and plant-based alternatives.

2 min read

Flours

Almond Flour vs Almond Meal, and Swap Ratios

A high-fat, protein-rich nut flour that keeps gluten-free baking moist and tender. Nutrition, baking behavior, substitution ratios, and cross-contamination notes.

7 min read

Flours

Amaranth Flour: Baking, Taste and Ratios

A highly nutritious ancient grain flour with an earthy, slightly peppery flavor. One of the highest-protein gluten-free flours; best used in small proportions within gluten-free blends.

4 min read

Flours

Is Buckwheat Flour Gluten-Free? The Wheat Myth

A bold, earthy pseudocereal flour with no relation to wheat. Nutrition, baking behavior, substitution ratios, and why certified gluten-free matters for buckwheat.

7 min read

Flours

Cassava Flour vs Tapioca, and How to Swap It

A whole-root gluten-free flour with a neutral flavor and remarkably wheat-like texture. One of the closest 1:1 substitutes for all-purpose flour; ideal for tortillas, baked goods, and pastry.

5 min read

Flours

Chickpea Flour vs Besan vs Gram Flour

A protein-rich legume flour known as besan, gram flour, or garbanzo bean flour. Nutrition, baking behavior, substitution ratios, and cross-contamination notes.

7 min read

Flours

Coconut Flour: Why You Cannot Swap It 1:1

An intensely absorbent, high-fiber gluten-free flour made from dried coconut meat. Requires significantly more liquid and eggs than other flours; cannot be substituted 1:1 — but produces uniquely moist, rich baked goods.

6 min read

Flours

Corn Flour vs Cornstarch: US vs UK Split

A naturally gluten-free flour that means different things in different countries — not to be confused with cornmeal or cornstarch. Nutrition, baking behavior, substitution ratios, and cross-contamination notes.

6 min read

Flours

Millet Flour: Taste, Baking and Substitutes

A mild, slightly nutty gluten-free flour with a fine texture. Excellent in quick breads, pancakes, and flatbreads; pairs well with other gluten-free flours in blends.

5 min read

Flours

Is Oat Flour Safe for Celiacs? Certified Only

A mild, tender-crumbed flour with a critical asterisk: oats are naturally gluten-free but almost always cross-contaminated unless certified. Nutrition, baking behavior, substitution ratios, and cross-contamination notes.

8 min read

Flours

Potato Starch vs Potato Flour: Not the Same

A very fine, white starch extracted from potatoes with exceptional thickening power and a light, airy quality in baking. A staple in gluten-free flour blends for creating soft texture and light crumb.

6 min read

Flours

Quinoa Flour: Fixing the Bitter Taste

A complete-protein pseudocereal flour with an earthy, slightly bitter edge from natural saponins. Nutrition, baking behavior, substitution ratios, and cross-contamination notes.

7 min read

Flours

Rice Flour: Glutinous Does Not Mean Gluten

A foundational gluten-free baking staple, ground from white or brown rice. Nutrition, baking behavior, substitution ratios, and cross-contamination notes.

6 min read

Flours

Sorghum Flour: The Closest 1:1 Wheat Swap

A mild, wheat-like flour that is one of the most reliable 1:1 substitutes for wheat in forgiving bakes. Nutrition, baking behavior, substitution ratios, and cross-contamination notes.

6 min read

Flours

Tapioca Flour vs Tapioca Starch: Same Thing

A pure cassava starch prized for the chewy, elastic texture it brings to gluten-free bread and pizza crust. Nutrition, baking behavior, substitution ratios, and cross-contamination notes.

6 min read

Flours

Teff Flour: Baking, Ratios and Nutrition

A tiny Ethiopian grass seed milled whole, with a rich, molasses-like flavor and standout iron and calcium content. Nutrition, baking behavior, substitution ratios, and cross-contamination notes.

6 min read