🟢 Safe
Oxalate <25 mg/serving
🟡 Caution
Oxalate 25-99 mg/serving
🔴 Avoid
Oxalate ≥100 mg/serving
🟡

Guava

🟡 Caution — Moderate
83 mg oxalate / serving
Serving: 1 medium (120 g) | Per 100 g: 70 mg
✓ Medically Reviewed Content reviewed by OxalateWatch Editorial Team. Based on Harvard T.H. Chan SPH oxalate data (2024) and NKF/AUA dietary guidelines.

📊 Nutrition at a Glance

83 mg
Oxalate / serving
Moderate
4 mg
Sodium / 100g
Low Na
0.3 g
Protein / 100g
Tier 1
7 mg
Calcium / 100g
Tier 1

📏 Oxalate by Serving Size

ServingWeightOxalateVerdict
1 medium120 g83 mg Caution
2 x 1 medium240 g166 mg Avoid
½ x 1 medium60 g41.5 mg Caution

🏷️ Tags

Fruits Plant-Based Moderate Oxalate 🟡 Oxalate Caution

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🔗 Related Foods

❓ Frequently Asked Questions

Can I eat Guava with kidney stones?

You can have it. Just be aware that at 83 mg oxalate per 1 medium, Guava isn't in the all-clear zone. Think 'sometimes food,' not 'everyday food.'

How much oxalate is in Guava?

The exact figure: 83 mg of oxalate per 1 medium of Guava. Works out to 70 mg/100g. This is the number kidney stone patients actually need. Harvard (2024) verified.

Is Guava high in oxalates?

Middle of the pack. 83 mg oxalate per 1 medium puts Guava in the moderate zone. Fine occasionally, not an everyday food.

What are the best low-oxalate alternatives to Guava?

Don't give up the whole category — just pick a safer member of it. The green foods in the related section all work as substitutes for Guava with a fraction of the oxalate.

How much Guava is safe to eat?

The portion math: 1 medium = 83 mg oxalate. Half serving = ~41.5 mg. With a 100 mg daily oxalate target, 83 mg from one food eats a big chunk of your budget. Go smaller.

How much sodium does Guava have?

Sodium's not the issue here. Guava has 4 mg per 100g — comfortably low. No need to worry about salt pushing extra calcium into your urine with this food.

🔍 Explore More About This Food

📚 Data Sources

Oxalate: Harvard T.H. Chan School of Public Health (2024) via OHF. Nutrition: USDA FoodData Central (SR Legacy 2018 & Foundation Foods).

📖 Key Scientific References

Taylor EN, Curhan GC. Oxalate intake and the risk for nephrolithiasis. J Am Soc Nephrol. 2007;18(7):2198-2204. PMID: 17538185
Borghi L, Schianchi T, Meschi T, et al. Comparison of two diets for the prevention of recurrent stones in idiopathic hypercalciuria. N Engl J Med. 2002;346(2):77-84. DOI: 10.1056/NEJMoa010369
Fink HA, Akornor JW, Garimella PS, et al. Diet, fluid, or supplements for secondary prevention of nephrolithiasis. Eur Urol. 2009;56(1):72-80. DOI: 10.1016/j.eururo.2009.03.031
Ferraro PM, Taylor EN, Gambaro G, Curhan GC. Dietary and lifestyle factors for primary prevention of nephrolithiasis. BMC Nephrol. 2020;21(1):267. PMID: 32652950
Pearle MS, Goldfarb DS, Assimos DG, et al. Medical management of kidney stones: AUA guideline. J Urol. 2014;192(2):316-324. DOI: 10.1016/j.juro.2014.05.006
Liebman M, Costa G. Effects of calcium and magnesium on urinary oxalate excretion after oxalate loads. J Urol. 2000;163(5):1565-1569. PMID: 10751889
Holmes RP, Assimos DG. The impact of dietary oxalate on kidney stone formation. Urol Res. 2004;32(5):311-316. DOI: 10.1007/s00240-004-0437-3
Lin BB, Lin ME, Huang RH, et al. Dietary treatment and fluid intake for prevention of recurrent calcium stones. PLoS One. 2021;16(4):e0250257. PMID: 33872340
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.