Is Sugar (Brown) Safe for Kidney Stones? (Safe)

The short answer is yes. Sugar (Brown) contains only 1 mg oxalate per 1 serving — far below the 25 mg cutoff. Based on Harvard's direct lab measurements (2024), this is a safe everyday choice for kidney stone patients.
✓ Lab-Verified Data Based on Harvard T.H. Chan SPH oxalate data (2024) and NKF/AUA dietary guidelines.
1
mg oxalate
per serving
Food: Sugar, Brown
Serving: 1 serving (100 g)
Verdict: 🟢 Safe
Per 100g: 11 mg
Data: Harvard T.H. Chan SPH (2024)
🔄 Lower-Oxalate Alternatives
🟢 Margarine
0 mg / serving
🟢 Oils
0 mg / serving
🟢 Shortening (All vegatable)
0 mg / serving
🟢 Aspartame Artificial Sweeteners
0 mg / serving
💡 What This Means for Your Diet

The bottom line for Sugar (Brown): Safe (🟢), with 1 mg oxalate per serving — comfortably below the 25 mg safe cutoff. There's no need to limit it. Just keep your usual kidney stone basics in place: water throughout the day and calcium-rich foods at meals.

📊 Sugar (Brown) vs. Other Condiments

Putting Sugar (Brown) in context: it lands well below the category average of 8 mg. In the database, 94% of condiments (133 of 141) fall in the 🟢 Safe group (under 25 mg oxalate/serving). The typical condiments here averages 8 mg oxalate per serving, so Sugar (Brown) runs 87% below that baseline. That places it among the lower-oxalate options in its category. Why this matters: the gap between two Safe foods can be wide — one may hold 5 mg oxalate while another sits at 24 mg. The lower one leaves more room in your day. See all condiments rated Safe for a full side-by-side.

❓ 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. For context, Sugar (Brown) measures 1 mg per 1 serving, rated Safe.

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. Sugar (Brown) comes in at 1 mg oxalate per 1 serving (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. Sugar (Brown) comes in at 1 mg oxalate per 1 serving (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. Sugar (Brown) comes in at 1 mg oxalate per 1 serving (Safe) in the measured database.

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.