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Sonic Fries

Common questions

Is Sonic Fries healthy?

Sonic Fries scores 30/100 on Scout's independent analysis of ingredients, additives, and lab results — one of the lower scores in Scout's catalog. Sonic Fries tested at 42.99 ppb glyphosate in Moms Across America's 2024 fast-food investigation — a low-moderate residue for chain-restaurant food.

Has Sonic Fries been lab-tested?

Yes. Sonic Fries carries an independent laboratory panel from Independent third-party laboratory testing covering 1 contaminant (including Glyphosate) — the full results are on this page.

How processed is Sonic Fries?

Sonic Fries is NOVA Group 4: Ultra-Processed Foods.

How does Sonic Fries compare to other restaurant items?

Sonic Fries ranks #6 of 23 restaurant items in Scout's independent rankings. The current top score in the category is In-N-Out Cheeseburger at 35/100.

Which ingredients drive Sonic Fries's score?

In Scout's ingredient-by-ingredient analysis, Idaho potatoes counts in its favor; Vegetable Oil, Modified food starch (corn, tapioca), Dextrin are flagged as ingredients of concern. The full breakdown, with why each one matters, is in the Key ingredients section on this page.

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Sonic Fries

Sonic
Lab tested
30 Poor

At a glance

Beneficial ingredients 1
Harmful ingredients 3
Owned by Inspire Brands
Category Restaurant Items
Summary

Sonic Fries tested at 42.99 ppb glyphosate in Moms Across America's 2024 fast-food investigation — a low-moderate residue for chain-restaurant food. Glyphosate (Roundup's active ingredient) is a WHO IARC Group 2A probable human carcinogen linked to non-Hodgkin's lymphoma, endocrine disruption, kidney and liver impairment, and microbiome disturbance. Likely sources: glyphosate-treated commodity oils (canola/soy) used for frying.

Contaminants 1

Source: Independent third-party laboratory testing

Glyphosate
42.99 ppb
Moderate

A moderate level of glyphosate — elevated enough to be a real sourcing concern; cleaner-tested options exist.

Tested at 42.99 ppb glyphosate residue — low-moderate for a chain-restaurant prepared food.

Key ingredients 10

Vegetable Oil
Very Bad

Sources: canola, palm, soybean, and/or sunflower. Generic refined seed-oil blend.

See more about Vegetable Oil →
Modified food starch (corn, tapioca)
Bad

Chemically modified starch.

Dextrin
Bad

Processed starch derivative.

See more about Dextrin →
Rice flour
Neutral

Native starch / dairy fraction.

See more about Rice flour →
Salt
Neutral

Sodium contributor; tolerable in moderation.

See more about Salt →
Disodium dihydrogen pyrophosphate
Neutral

Leavening or mineral salt.

Sodium bicarbonate
Neutral

Leavening or mineral salt.

See more about Sodium bicarbonate →
Xanthan gum
Neutral

Plant- or fermentation-derived thickener / mild acidulant.

See more about Xanthan gum →
Annatto
Neutral

Natural color from achiote seed.

See more about Annatto →
Idaho potatoes
Good

Whole potato.

Processing

Group 4 · Ultra-processed

Ultra-Processed Foods

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