Kellogg's The original crispy marshmallow squares, front of pack

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Kellogg's

The original crispy marshmallow squares

CModerate GoutMarket grade · Moderate · #2 of 32 cereal and granola bars we grade

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Purine and sugar, by the numbers

Serving1 Bar (22 g)
Purine per servingabout 1 mg, at most 2 mg (1% of the 400 mg daily guide)
Purine per 100 gat most 10 mg
Purine before GoutSafe's weightingat most 7 mg per serving
Main purine sourceuncooked white rice
Fructose per serving4.4 g
Added sugar per serving8 g
Total sugar per serving8 g

The weighted figure is lower than the one before weighting because GoutSafe counts purine from plants at a fraction of the same amount from meat or fish. The grade uses the weighted figure.

Where the purine comes from

IngredientMatched GoutSafe foodPurine in that food, per 100 gShare of the productPurine at that share, per servingCounted in the worst case
toasted rice cereal uncooked white rice (A) 33 mg up to 100% 7 mg 2 mg
soybean dried soybeans (A) 33 mg up to 25% 2 mg under 1 mg
gelatin dried gelatin noodle (A) 1 mg up to 2% under 1 mg under 1 mg

Purine values come from each matched food's page on GoutSafe. Shares come from label order: US labels list ingredients by weight, so the second ingredient is at most half the product, and anything after "2% or less" is at most 2%. The worst case fills the most purine-dense ingredients to their full share first, until the shares reach the whole product, then applies GoutSafe's weighting by source, which counts plant purines at 0.3, dairy at 0 and organ meat at 1.3 because they raise uric acid by different amounts. The grade uses that worst case. How we rate.

Why it's rated C

  • About 20 g of fructose per 100 g, over GoutSafe's 15 g line, so it can't rate above Moderate (C). Source on GoutSafe.
  • Open Food Facts classes it as ultra-processed (NOVA 4), and GoutSafe's rule keeps ultra-processed foods at Moderate (C) or below. Source on GoutSafe.
  • Up to 2 mg of purine per serving, under 2% of the 400 mg daily guide. Source on GoutSafe.
  • The Nutrition Facts panel lists 8 g of added sugar per serving, about half of it fructose. Source on GoutSafe.
  • High-fructose corn syrup is listed on the label. Source on GoutSafe.

Estimated from the ingredient label. Labels list ingredients by weight but rarely give amounts, so we grade on the most purine the label allows, which can read stricter than the real recipe and never safer. Sugar comes from the Nutrition Facts panel. How we rate.

What's on the label

Ingredients: TOASTED RICE CEREAL (rice, sugar, salt, malt flavor), CORN SYRUP, FRUCTOSE, VEGETABLE OIL (soybean, canola, sunflower and/or palm with TBHQ for freshness), SUGAR, CORN SYRUP SOLIDS. CONTAINS 2% OR LESS OF vegetable glycerin, dextrose, gelatin, salt, DATEM, acetylated monoglycerides, natural and artificial flavors (contains milk), soy lecithin, BHT for freshness.

Serving: 1 Bar (22 g). Added sugar: 8 g per serving. Label from USDA FoodData Central (record 2777614), dated 2026-09-24. UPC 038000265013.

Where to buy

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