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Is Beets Safe for Kidney Stones? (Caution)

Beets sits in the Caution zone: 48 mg oxalate per 1/2 cup — above the 25 mg safe threshold but below the 100 mg avoid line. It's not a 'never' food, but it's a 'know your portion' food. The difference between a small serving and a large one is the difference between safe and pushing your oxalate budget.
✓ Medically Reviewed Based on Harvard T.H. Chan SPH oxalate data (2024) and NKF/AUA dietary guidelines.
48
mg oxalate
per serving
Food: Beets, boiled, steamed or pickled
Serving: 1/2 cup (85 g)
Verdict: 🟡 Caution
Per 100g: 57 mg
Data: Harvard T.H. Chan SPH (2024)
🔄 Lower-Oxalate Alternatives
🟢 Garlic
0 mg / serving
🟢 Seaweed
0 mg / serving
🟢 Seaweed
0 mg / serving
🟢 Passion Fruit or Granadilla
0 mg / serving
💡 What This Means for Your Diet

What this means: Beets is rated Caution (🟡). At 48 mg oxalate per serving, Beets is in the moderate zone (25-99 mg). It's manageable with portion awareness — try smaller servings, less frequent consumption, and pairing with calcium-rich foods. Track total daily oxalate to stay under ~100 mg.

📊 How Beets Compares

Among vegetables, Beets sits well above the category average of 27 mg. For context, 219 out of 271 vegetables (80%) are rated 🟢 Safe (under 25 mg oxalate/serving). The average vegetables in our database has 27 mg oxalate per serving — which means Beets is 77% above the category norm. Within its specific category, Beets ranks on the higher end for oxalate. 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 vegetables rated Caution to compare within the same verdict level.

❓ Related Questions

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.

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.

Where does the oxalate data come from?

Harvard T.H. Chan School of Public Health (2024) via the OHF database. These are direct laboratory measurements — the most reliable oxalate data available for food.

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.

Beets full page 🟢 Safe foods Caution foods
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.