How Much Oxalate Is in Cranberry juice?

Harvard's 2024 analysis found 1 mg of oxalate in one serving of Cranberry juice (1 cup). At the 100-gram level, that's 0.4 mg. This puts Cranberry juice 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.
1
mg oxalate
per serving
Food: Cranberry juice, unsweetened
Serving: 1 cup (253 g)
Verdict: 🟢 Safe
Per 100g: 0.4 mg
Data: Harvard T.H. Chan SPH (2024)
🔄 Lower-Oxalate Alternatives
🟢 Alcohol
0 mg / serving
🟢 Grapefruit Juice
0 mg / serving
🟢 Bio Tears Oral Gel Caps
0 mg / serving
🟢 Curcumin
0 mg / serving
💡 What This Means for Your Diet

In practical terms, Cranberry juice is a low-risk food for kidney stone patients. Its 1 mg oxalate per serving stays under the 25 mg line, so it can appear in your regular rotation without extra calculation. As always, staying hydrated and getting dietary calcium supports stone prevention.

📊 How Cranberry juice Compares

Among beverages, Cranberry juice sits well below the category average of 40 mg. For context, 82 out of 92 beverages (89%) are rated 🟢 Safe (under 25 mg oxalate/serving). The average beverages in our database has 40 mg oxalate per serving — which means Cranberry juice is 98% below the category norm. Within its specific category, Cranberry juice 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 beverages rated Safe to compare within the same verdict level.

❓ Related Questions

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, Cranberry juice measures 1 mg per 1 cup, rated Safe.

How accurate is the oxalate measurement?

The measurements use ion chromatography, the accepted reference method for oxalate. That means real lab values for each food rather than inferred numbers. Some natural variation exists between samples, but this is the strongest published data set. Cranberry juice comes in at 1 mg oxalate per 1 cup (Safe) in the measured database.

How does this compare to other foods?

The ratings split at 25 mg (Safe) and 100 mg (Avoid), with 25-99 mg in the Caution band. For context against similar foods, the category pages on OxalateWatch rank every item in that group by oxalate. For context, Cranberry juice measures 1 mg per 1 cup, rated 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.