How Much Oxalate Is in Carrot Juice?

Harvard's 2024 analysis found 23 mg of oxalate in one serving of Carrot Juice (1 cup). At the 100-gram level, that's 9 mg. This puts Carrot 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.
23
mg oxalate
per serving
Food: Juice, Carrot
Serving: 1 cup (250 g)
Verdict: 🟢 Safe
Per 100g: 9 mg
Data: Harvard T.H. Chan SPH (2024)
🔄 Lower-Oxalate Alternatives
🟢 Garlic
0 mg / serving
🟢 Kombu Seaweed
0 mg / serving
🟢 Wakame Seaweed
0 mg / serving
🟢 Passion Fruit or Granadilla
0 mg / serving
💡 What This Means for Your Diet

What this means: Carrot Juice is rated Safe (🟢). At 23 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 Carrot Juice Compares

Among vegetables, Carrot Juice sits below 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 Carrot Juice is 15% below the category norm. Within its specific category, Carrot Juice ranks near the middle of the pack. 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 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. Applied to Carrot Juice: 23 mg oxalate per 1 cup — Safe per Harvard (2024).

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. For context, Carrot Juice measures 23 mg per 1 cup, rated Safe.

How does this compare to other foods?

Anything under 25 mg per serving is Safe; 25-99 mg is Caution; 100 mg or more is Avoid. The category pages on OxalateWatch list foods side by side, so you can see where this one ranks. For Carrot Juice, the measured oxalate value is 23 mg per 1 cup (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.