How Much Oxalate Is in Jellies, Jams or Preserves, Blueberry?
mg oxalate
per serving
Serving: 1 tbsp (20 g)
Verdict: 🟢 Safe
Per 100g: 6 mg
Data: Harvard T.H. Chan SPH (2024)
What this means: Jellies, Jams or Preserves, Blueberry is rated Safe (🟢). At 1 mg oxalate per serving, it's well under the 25 mg safety threshold. You can include it regularly in a kidney stone diet. Pair it with calcium-rich foods (dairy, fortified plant milks) for additional protection, and drink plenty of water throughout the day.
Among fruits, Jellies, Jams or Preserves, Blueberry sits well below the category average of 21 mg. For context, 101 out of 113 fruits (89%) are rated 🟢 Safe (under 25 mg oxalate/serving). The average fruits in our database has 21 mg oxalate per serving — which means Jellies, Jams or Preserves, Blueberry is 96% below the category norm. Within its specific category, Jellies, Jams or Preserves, Blueberry ranks among the lower-oxalate options. This context matters because two 'Safe' foods can have very different oxalate levels — one might have 5 mg while another has 24 mg. Both are Safe, but the first gives you more dietary flexibility. Browse all fruits rated Safe to compare within the same verdict level.
Why does oxalate per 100g matter?
Per-100g values put every food on the same scale, which is handy when serving sizes differ a lot between foods — or when your portion doesn't match the standard serving. It lets you compare apples to apples on oxalate density. For context, Jellies, Jams or Preserves, Blueberry measures 1 mg per 1 tbsp, rated Safe.
How accurate is the oxalate measurement?
These values come from Harvard's 2024 ion-chromatography analysis — the gold-standard method for oxalate. Real measured data rather than estimates. Sample-to-sample variation exists, but no published source is more dependable for food oxalate. Jellies, Jams or Preserves, Blueberry comes in at 1 mg oxalate per 1 tbsp (Safe) in the measured database.
How does this compare to other foods?
Anything under 25 mg per serving is Safe; 25-99 mg is Caution; 100 mg or more is Avoid. The category pages on OxalateWatch list foods side by side, so you can see where this one ranks. Applied to Jellies, Jams or Preserves, Blueberry: 1 mg oxalate per 1 tbsp — Safe per Harvard (2024).