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Sonic Slushes: menu nutrition and allergens

Values converted by script from official files; text drafted with AI assistance From Sonic’s nutrition information Last checked How pages are made
Two red frozen slush drinks with straws in clear cups on a counter
Illustrative photo, not Sonic’s product · Pexels · About our photos

Sonic lists 4 items under Slushes. Across every size, the lowest in calories is the Plain Slush Only (No Syrup) (Wacky Pack!) at 120 and the highest is the Strawberry Cream Slush (Large) at 1,100.

Sonic notes that all slushes contain sugar; flavor add-ins are listed separately.

At each item’s first listed size, the most protein is in the Blue Coconut Cream Slush (6 g), the least sodium in the Plain Slush Only (No Syrup) (20 mg) and the most sugar in the Strawberry Cream Slush (93 g). One of the 4 items is under 300 calories. For the whole menu ranked, see high-protein items at Sonic and low-calorie items at Sonic.

Nutrition for every item

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calories
Sonic Slushes: calories and nutrients per serving
Blue Coconut Cream SlushSmall450–1,0009692866290
Cherry Cream SlushSmall410–9409681756280
Plain Slush Only (No Syrup)Wacky Pack!120–540003232020
Strawberry Cream SlushSmall480–1,10096100936290

Calories show the range across sizes; the other columns are for the size named under the item. A blank cell means Sonic does not publish that value. Each item’s page has every size and the full nutrition facts with % Daily Value, plus allergens; or see the Sonic allergen menu. The calorie filter uses the largest size. To add up a whole order, use the Sonic nutrition calculator.

Allergens in Sonic Slushes

Whole-menu allergen filter
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Allergens Sonic reports for each item
ItemMilkEggFishShellfishTree nutsPeanutsWheatSoySesameGluten
Blue Coconut Cream SlushYes
Cherry Cream SlushYes
Plain Slush Only (No Syrup)
Strawberry Cream SlushYes

“Yes” means Sonic lists the allergen as an ingredient. A blank cell means the allergen is not listed for the item, which is not a guarantee it is absent. Filtering also hides items that are not in the allergen guide.

Other sections of the Sonic menu

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Sources

  1. 1
    Sonic, Sonic Nutritional Information brochure (national) Covers nutrition and menu · Summer 2026 · Checked 8 Oct 2026
  2. 2
    Sonic, Sonic Allergen Information guide Covers allergens · National Summer 2026 Allergen Guide · Checked 8 Oct 2026

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