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Frozen Blueberries

CModerate GoutMarket grade · Moderate · #9 of 9 frozen fruit we grade

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Purine and sugar, by the numbers

Serving1 oz (28 g/about 10-12 pieces) (28 g)
Purine per serving2 mg (1% of the 400 mg daily guide)
Purine per 100 gat most 8 mg
Purine before GoutSafe's weightingat most 7 mg per serving
Main purine sourcedark chocolate
Fructose per serving4.5 g
Added sugar per serving6 g
Total sugar per serving9 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
dark chocolate dark chocolate (C) 26 mg up to 50% 4 mg 1 mg
white chocolate dark chocolate (C) 26 mg up to 33% 2 mg under 1 mg
blueberries blueberries (B) 22 mg up to 100% 6 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 16 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 6 g of added sugar per serving, about half of it fructose. 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: BLUEBERRIES, DARK CHOCOLATE (CANE SUGAR, CHOCOLATE LIQUOR (PROCESSED WITH ALKALI), COCOA BUTTER, MILKFAT, SOY LECITHIN (AN EMULSIFIER) VANILLA), WHITE CHOCOLATE (CANE SUGAR, COCOA BUTTER, WHOLE MILK POWDER, SOY LECITHIN (AN EMULSIFIER), NATURAL VANILLA FLAVOR)

Serving: 1 oz (28 g/about 10-12 pieces) (28 g). Added sugar: 6 g per serving. Label from USDA FoodData Central (record 2583322), dated 2023-06-29. UPC 850012117049. This label is over a year old and the recipe may have changed. Check the package.

Where to buy

Prices change often, so we don't show them. The rating is the same whichever store you pick.