Is Herbs and Spices Lemon Myrtle Safe for Kidney Stones?
mg oxalate
per serving
Serving: 1 serving (100 g)
Verdict: 🟡 Caution
Per 100g: 2853 mg
Data: Harvard T.H. Chan SPH (2024)
In practical terms, Herbs and Spices Lemon Myrtle sits in the 25-99 mg range with 49 mg per serving, so treat it as a sometimes-food. Keep servings modest, don't stack it with other moderate-oxalate items in one day, and pair it with calcium to blunt absorption.
Among fruits, Herbs and Spices Lemon Myrtle sits well above the category average of 21 mg. For context, 101 out of 113 fruits (89%) are rated 🟢 Safe (under 25 mg oxalate/serving). The average fruits in our database has 21 mg oxalate per serving — which means Herbs and Spices Lemon Myrtle is 131% above the category norm. Within its specific category, Herbs and Spices Lemon Myrtle ranks on the higher end for oxalate. 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 fruits rated Caution to compare within the same verdict level.
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. Herbs and Spices Lemon Myrtle comes in at 49 mg oxalate per 1 serving (Caution) in the measured database.
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. Herbs and Spices Lemon Myrtle comes in at 49 mg oxalate per 1 serving (Caution) in the measured database.
Where does the oxalate data come from?
Every oxalate figure is sourced from Harvard T.H. Chan SPH (2024), distributed via the OHF database. The values come from actual lab measurements of the foods — not from database averages or estimates. For Herbs and Spices Lemon Myrtle, the measured oxalate value is 49 mg per 1 serving (Caution).
Should I also check sodium and calcium?
Definitely. Oxalate is only part of the story — high sodium raises calcium in urine, and dietary calcium (from food, not pills) binds oxalate in the gut. The food's main page lists both, so it's worth checking before you plan around it. Applied to Herbs and Spices Lemon Myrtle: 49 mg oxalate per 1 serving — Caution per Harvard (2024).