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🟢 Coconut aminos VS 🔴 Rhubarb

One of these is an easy choice for kidney stone patients. Rhubarb clocks in at just 1293 mg of oxalate per serving — while Coconut aminos sits at 1 mg (1293x higher). The Harvard (2024) lab data leaves no ambiguity here.

✓ Medically Reviewed Content reviewed by OxalateWatch editorial team. Based on Harvard T.H. Chan SPH oxalate data (2024) and NKF/AUA dietary guidelines.

⚖️ Head-to-Head Comparison

🟢
Coconut aminos
Safe — Low Oxalate
1 mg oxalate / serving
Serving: 1 tbsp (15 g)
Per 100 g: 0 mg oxalate
Sodium: — | Calcium: — | Protein: —
🔴
Rhubarb
Avoid — Very High Oxalate
1293 mg oxalate / serving
Serving: 1 cup, diced (122 g)
Per 100 g: 1060 mg oxalate
Sodium: — | Calcium: — | Protein: —

🏆 The Verdict: Choose Coconut aminos

At 1 mg oxalate per serving (rated Safe), Coconut aminos is the clear winner over Rhubarb (1293 mg, Avoid). The 1293x difference comes from Harvard's 2024 lab measurements — this isn't an estimate or guess. Build your meals around Coconut aminos and use Rhubarb sparingly, if at all.

🔍 Key Takeaways

**Oxalate gap:** 1293 mg vs 1 mg per serving — a 1293x difference. One of these is significantly easier to fit into a kidney stone diet.
**Verdicts:** Rhubarb is rated **Avoid (100+ mg/serving)**; Coconut aminos is rated **Safe (under 25 mg/serving)**.
**Serving strategy:** If you choose Rhubarb, consider a half portion or pair it with a calcium source. Coconut aminos can be eaten more freely.

❓ Frequently Asked Questions

Which is better for kidney stones — Rhubarb or Coconut aminos?

Coconut aminos is the clear winner. At 1 mg oxalate per serving, it's rated Safe — compared to Rhubarb's 1293 mg. That's a 1293x difference. If you're managing kidney stones, Coconut aminos is the safer everyday choice. But Rhubarb isn't permanently off-limits — just be aware of portions and frequency.

Can I eat Rhubarb and Coconut aminos together?

Yes, but watch your portions. Combined, you're looking at roughly 1294 mg oxalate. If one is high-oxalate, keep it to a small side portion. The lower-oxalate food can fill most of your plate.

How should I prepare Rhubarb vs Coconut aminos differently?

For Rhubarb, boiling and draining cuts oxalate by 30-50%. Steaming preserves more. For Coconut aminos, preparation method matters less — it's already low-oxalate. If you're cooking both, boil Rhubarb separately and discard the water.

What are good substitutes if I want to avoid Rhubarb?

Your best bet: Coconut aminos. It's in the same category and has dramatically less oxalate. Check the Related Foods section on Rhubarb's page for more specific alternatives verified by Harvard's 2024 data.

Browse all Fruits 🟢 Low Oxalate Foods Coconut aminos page Rhubarb page
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.