Oxalate <25 mg/serving
Oxalate 25-99 mg/serving
Oxalate ≥100 mg/serving
📊 Nutrition at a Glance
Flavor variants in a product family share the base profile, and the oxalate table follows the base more than the flavoring. Butter (Unsalted) measures 0 mg per serving, in line with the rest of the family. The useful reading is the family spread: if the range is narrow, flavor choice is free; if it is wide, the flavor with the lower measured value is the easy win. Related forms in this family: Butter (Salted) (0 mg), Butter (0 mg).
📏 Oxalate by Serving Size
| Serving | Weight | Oxalate | Verdict |
|---|---|---|---|
| 1 tbsp | 14 g | 0 mg | Low Oxalate |
| 2 x 1 tbsp | 28 g | 0 mg | Low Oxalate |
| ½ x 1 tbsp | 7 g | 0 mg | Low Oxalate |
🏷️ Tags
🟢 See all Dairy & Eggs rated Safe for kidney stones →
🔗 Related Foods
🟢 Safe alternatives (recommended)
⚠️ Other foods in this category to watch
❓ Frequently Asked Questions
Is Butter safe for kidney stones?
Don't overthink this one. Butter has 0 mg oxalate per 1 tbsp. That's solidly safe territory for kidney stones. The number is from Harvard's latest lab work.
How much oxalate is in Butter?
The exact figure: 0 mg of oxalate per 1 tbsp of Butter. Works out to 0 mg/100g. This is the number kidney stone patients actually need. Harvard (2024) verified.
Is Butter high in oxalates?
It's low. 0 mg per 1 tbsp is well under the 25 mg danger line. Butter is not the food you need to worry about.
What can I eat instead of Butter?
Look at the 'Safe Alternatives' section right below this FAQ. Those foods are all under 25 mg oxalate per serving and in the same category as Butter. Pick from those.
How reliable is the data for Butter?
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.