Is Fresh or canned Pineapple Safe for Kidney Stones? (Safe)
mg oxalate
per serving
Serving: 1/2 cup (112 g)
Verdict: 🟢 Safe
Per 100g: 6 mg
Data: Harvard T.H. Chan SPH (2024)
Here's the takeaway: Fresh or canned Pineapple earns a Safe rating (🟢) at 7 mg oxalate per serving. Being under 25 mg means it fits comfortably in everyday eating. Keep your usual habits — adequate fluids and calcium in meals — and Fresh or canned Pineapple poses no special concern.
Putting Fresh or canned Pineapple in context: it lands well below the category average of 21 mg. In the database, 89% of fruits (101 of 113) fall in the 🟢 Safe group (under 25 mg oxalate/serving). The typical fruits here averages 21 mg oxalate per serving, so Fresh or canned Pineapple runs 67% below that baseline. That places it among the lower-oxalate options in its category. Why this matters: the gap between two Safe foods can be wide — one may hold 5 mg oxalate while another sits at 24 mg. The lower one leaves more room in your day. See all fruits rated Safe for a full side-by-side.
Why does the safe threshold matter?
The 25 mg per serving threshold is based on clinical guidance for kidney stone patients. Harvard's lab data (2024) provides the most reliable oxalate measurements available — no database estimates, direct lab analysis. Applied to Fresh or canned Pineapple: 7 mg oxalate per 1/2 cup — Safe per Harvard (2024).
Can I eat this food every day?
If it's in the Safe zone (under 25 mg/serving), yes — it can be a regular part of your diet. For Caution or Avoid foods, frequency matters. Rotate them with lower-oxalate options throughout the week. For Fresh or canned Pineapple, the measured oxalate value is 7 mg per 1/2 cup (Safe).
Where does the oxalate data come from?
The numbers come from Harvard T.H. Chan SPH's 2024 laboratory measurements, published through the OHF database. Direct lab analysis, which is why they're treated as the reference values for food oxalate. For context, Fresh or canned Pineapple measures 7 mg per 1/2 cup, rated Safe.
Should I also check sodium and calcium?
Yes — oxalate alone doesn't decide stone risk. Sodium pushes more calcium into urine, and calcium from food (not supplements) helps bind oxalate during digestion. The main food page covers sodium and calcium alongside oxalate. Applied to Fresh or canned Pineapple: 7 mg oxalate per 1/2 cup — Safe per Harvard (2024).