How Much Oxalate Is in Sun-dried tomatoes?
mg oxalate
per serving
Serving: 1/4 cup (27 g)
Verdict: 🟢 Safe
Per 100g: 7.4 mg
Data: Harvard T.H. Chan SPH (2024)
The bottom line for Sun-dried tomatoes: Safe (🟢), with 2 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.
Putting Sun-dried tomatoes in context: it lands well below the category average of 27 mg. In the database, 80% of vegetables (219 of 271) fall in the 🟢 Safe group (under 25 mg oxalate/serving). The typical vegetables here averages 27 mg oxalate per serving, so Sun-dried tomatoes runs 93% 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 vegetables rated Safe for a full side-by-side.
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, Sun-dried tomatoes measures 2 mg per 1/4 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. For Sun-dried tomatoes, the measured oxalate value is 2 mg per 1/4 cup (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 Sun-dried tomatoes, the measured oxalate value is 2 mg per 1/4 cup (Safe).