Is Borage Oil Safe for Kidney Stones? (Safe)
mg oxalate
per serving
Serving: (1 g)
Verdict: 🟢 Safe
Per 100g: 0 mg
Data: Harvard T.H. Chan SPH (2024)
In practical terms, Borage Oil is a low-risk food for kidney stone patients. Its 0 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.
Among condiments, Borage Oil sits well below the category average of 8 mg. For context, 133 out of 141 condiments (94%) are rated 🟢 Safe (under 25 mg oxalate/serving). The average condiments in our database has 8 mg oxalate per serving — which means Borage Oil is 100% below the category norm. Within its specific category, Borage Oil 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 condiments rated Safe to compare within the same verdict level.
Why does the safe threshold matter?
The 25 mg cutoff comes from clinical guidance for stone formers. Below it, a food's oxalate contribution is small enough not to move the needle for most patients. Harvard's 2024 lab data sits behind these figures — direct measurements, not estimates. Applied to Borage Oil: 0 mg oxalate per — Safe per Harvard (2024).
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. For Borage Oil, the measured oxalate value is 0 mg per (Safe).
Where does the oxalate data come from?
The numbers come from Harvard T.H. Chan SPH's 2024 laboratory measurements, published through the OHF database. Direct lab analysis, which is why they're treated as the reference values for food oxalate. For context, Borage Oil measures 0 mg per , rated Safe.
Should I also check sodium and calcium?
Yes — oxalate alone doesn't decide stone risk. Sodium pushes more calcium into urine, and calcium from food (not supplements) helps bind oxalate during digestion. The main food page covers sodium and calcium alongside oxalate. Applied to Borage Oil: 0 mg oxalate per — Safe per Harvard (2024).