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Is Mars Gluten-Free?

Quick answer

It depends on the product. Across 7 foods, 6 Mars products are listed as safe picks and 9 are listed to avoid. Here is what Mars itself says, product by product.

Covers: M&M's · Skittles · Snickers · Starburst · Twix · Milky Way

9 quotes from the brand's own pages and retailer listings · last reviewed October 13, 2026 · the label on the package is always the final word

M&M's

It depends

Safe picks

  • Milk Chocolate M&M's (by ingredients, not labeled)
  • Peanut M&M's (by ingredients, not labeled)
  • Peanut Butter M&M's (by ingredients, not labeled)

Avoid

  • Pretzel M&M's

In the brand's own words

“Milk chocolate (sugar, chocolate, skim milk, cocoa butter, lactose, milkfat, soy lecithin, salt, natural flavor), sugar, cornstarch”

M&M'S Milk Chocolate (Mars, mms.com product page) · mms.com

“Contains peanuts, milk and soy. May contain tree nuts.”

M&M'S Peanut (Mars, mms.com product page) · mms.com

“pretzel [enriched wheat flour”

M&M'S Pretzel (Mars, mms.com product page) · mms.com

“Contains milk and soy. May contain peanuts.”

M&M'S Ghouls Mix Milk Chocolate Halloween candy (Mars, mms.com product page) · mms.com

Are M&M's Gluten-Free?

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