Is Lime Safe for Kidney Stones? (Safe)

Most people with kidney stones can eat Lime without a second thought. Its 4 mg of oxalate per sits well below the 25 mg safe line, and the figure comes straight from Harvard's 2024 laboratory analysis — not an estimate. It earns a straightforward green light.
✓ Lab-Verified Data Based on Harvard T.H. Chan SPH oxalate data (2024) and NKF/AUA dietary guidelines.
4
mg oxalate
per serving
Food: Lime, raw
Serving: (67 g)
Verdict: 🟢 Safe
Per 100g: 6 mg
Data: Harvard T.H. Chan SPH (2024)
🔄 Lower-Oxalate Alternatives
🟢 Lychee or Litchee
0 mg / serving
🟢 Jams Jellies
0 mg / serving
🟢 Lemon Extract Herbs and Spices
0 mg / serving
🟢 Orange Extract Herbs and Spices
0 mg / serving
💡 What This Means for Your Diet

What this means: Lime is rated Safe (🟢). At 4 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.

📊 How Lime Compares

Among fruits, Lime 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 Lime is 82% below the category norm. Within its specific category, Lime 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.

❓ Related Questions

Why does the safe threshold matter?

The 25 mg cutoff comes from clinical guidance for stone formers. Below it, a food's oxalate contribution is small enough not to move the needle for most patients. Harvard's 2024 lab data sits behind these figures — direct measurements, not estimates. Applied to Lime: 4 mg oxalate per — 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. Lime comes in at 4 mg oxalate per (Safe) in the measured database.

Where does the oxalate data come from?

Every oxalate figure is sourced from Harvard T.H. Chan SPH (2024), distributed via the OHF database. The values come from actual lab measurements of the foods — not from database averages or estimates. Lime comes in at 4 mg oxalate per (Safe) in the measured database.

Should I also check sodium and calcium?

Yes — kidney stone risk isn't just about oxalate. High sodium increases urinary calcium (a stone promoter). Adequate dietary calcium (from food, not supplements) actually binds oxalate in your gut. Check the food's full nutrition page for the complete picture. For Lime, the measured oxalate value is 4 mg per (Safe).

This is dietary reference information, NOT medical advice. Talk to your doctor or a registered dietitian before changing your diet. Oxalate tolerance varies by person, stone type, and medication.