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How Much Oxalate Is in Feta cheese?

Harvard's 2024 analysis found 0 mg of oxalate in one serving of Feta cheese (1 oz). At the 100-gram level, that's 0 mg. This puts Feta cheese in the Safe range (under 25 mg per serving). Keep in mind: oxalate varies by growing conditions, preparation method, and variety — but Harvard's measurement is the most reliable reference available.
✓ Lab-Verified Data Based on Harvard T.H. Chan SPH oxalate data (2024) and NKF/AUA dietary guidelines.
0
mg oxalate
per serving
Food: Feta cheese
Serving: 1 oz (28 g)
Verdict: 🟢 Safe
Per 100g: 0 mg
Data: Harvard T.H. Chan SPH (2024)
🔄 Lower-Oxalate Alternatives
🟢 Cottage Cheese
0 mg / serving
🟢 Ice Cream
0 mg / serving
🟢 Kefir
0 mg / serving
🟢 Sour Cream
0 mg / serving
💡 What This Means for Your Diet

What this means: Feta cheese is rated Safe (🟢). At 0 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 Feta cheese Compares

Among dairy & eggs, Feta cheese sits well below the category average of 3 mg. For context, 87 out of 91 dairy & eggs (95%) are rated 🟢 Safe (under 25 mg oxalate/serving). The average dairy & eggs in our database has 3 mg oxalate per serving — which means Feta cheese is 100% below the category norm. Within its specific category, Feta cheese 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 dairy & eggs rated Safe to compare within the same verdict level.

❓ Related Questions

Why does oxalate per 100g matter?

The per-100g number lets you compare foods on an equal-weight basis, regardless of serving size. It's useful when two foods have very different typical serving sizes, or when you eat more or less than a standard serving. For Feta cheese, the measured oxalate value is 0 mg per 1 oz (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. For Feta cheese, the measured oxalate value is 0 mg per 1 oz (Safe).

How does this compare to other foods?

Foods under 25 mg per serving are rated Safe. Foods between 25-99 mg are Caution. 100+ mg is Avoid. Check the food's category page on OxalateWatch to see how it compares to similar foods. For context, Feta cheese measures 0 mg per 1 oz, rated Safe.

Feta cheese full page 🟢 Safe foods Safe 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.