Safety: Chicken & Portobello Sandwich without fresh fruit
mg oxalate
per serving
Serving: (171 g)
Verdict: 🟢 Safe
Per 100g: 12.3 mg
Data: Harvard T.H. Chan SPH (2024)
Here's the takeaway: Chicken & Portobello Sandwich without fresh fruit earns a Safe rating (🟢) at 21 mg oxalate per serving. Being under 25 mg means it fits comfortably in everyday eating. Keep your usual habits — adequate fluids and calcium in meals — and Chicken & Portobello Sandwich without fresh fruit poses no special concern.
Putting Chicken & Portobello Sandwich without fresh fruit in context: it lands well above the category average of 6 mg. In the database, 89% of meat & poultry (68 of 76) fall in the 🟢 Safe group (under 25 mg oxalate/serving). The typical meat & poultry here averages 6 mg oxalate per serving, so Chicken & Portobello Sandwich without fresh fruit runs 258% above that baseline. That places it on the higher end for oxalate 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 meat & poultry rated Safe for a full side-by-side.
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. Applied to Chicken & Portobello Sandwich without fresh fruit: 21 mg oxalate per — Safe per Harvard (2024).
Can I eat this food every day?
Daily eating is fine for Safe foods (under 25 mg/serving). For Caution or Avoid foods, spread them out and alternate with low-oxalate picks. The idea is keeping your weekly oxalate load manageable, not eliminating any single food. Chicken & Portobello Sandwich without fresh fruit comes in at 21 mg oxalate per (Safe) in the measured database.
Where does the oxalate data come from?
Harvard T.H. Chan School of Public Health (2024) via the OHF database. These are direct laboratory measurements — the most reliable oxalate data available for food. Applied to Chicken & Portobello Sandwich without fresh fruit: 21 mg oxalate per — Safe per Harvard (2024).
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. For context, Chicken & Portobello Sandwich without fresh fruit measures 21 mg per , rated Safe.