Oxalate <25 mg/serving
Oxalate 25-99 mg/serving
Oxalate ≥100 mg/serving
📊 Nutrition at a Glance
📏 Oxalate by Serving Size
| Serving | Weight | Oxalate | Verdict |
|---|---|---|---|
| 1 tsp | 3 g | 46 mg | Caution |
| 2 x 1 tsp | 6 g | 92 mg | Caution |
| ½ x 1 tsp | 1 g | 23 mg | Safe |
🏷️ Tags
🟡 See all Vegetables rated Caution for kidney stones →
⚖️ Compare this food: · vs Bean sprouts · vs sea cucumber →
🔗 Related Foods
🟢 Safe alternatives (recommended)
⚠️ Other foods in this category to watch
❓ Frequently Asked Questions
Can I eat Milk Thistle with kidney stones?
Proceed, but with awareness. Milk Thistle delivers 46 mg oxalate per 1 tsp. That's moderate — above the safe line, below the danger line. Portion size is your friend here.
What's the oxalate content of Milk Thistle?
Quick math: 1 tsp of Milk Thistle = 46 mg oxalate. 100g = 1517 mg. Both numbers come from Harvard's latest lab measurements. Not AI, not a database, actual lab work.
Is Milk Thistle low or high oxalate?
Moderate. Milk Thistle has 46 mg oxalate per 1 tsp — not high enough to panic, not low enough to ignore. Portions matter with this one.
What are the best low-oxalate alternatives to Milk Thistle?
Substitutes exist. The safe alternatives listed below are all low-oxalate foods in the same family as Milk Thistle. Grab one of those and you dodge the oxalate while keeping similar flavors.
How much Milk Thistle is safe to eat?
Think garnish, not main dish. Milk Thistle at 46 mg per 1 tsp is a lot for one food. Use smaller amounts spread across meals or as a flavor accent rather than the centerpiece.
How reliable is the data for Milk Thistle?
Oxalate: very reliable (Harvard 2024 lab measurement). Other nutrients: still being matched to USDA data. The oxalate figure is what matters for a kidney stone decision, and that one's solid.