Oxalate <25 mg/serving
Oxalate 25-99 mg/serving
Oxalate ≥100 mg/serving
📊 Nutrition at a Glance
🚨 High Sodium Alert
Lobster contains 591 mg sodium per 100g — well above the recommended limit for kidney stone patients. High sodium intake can increase calcium in urine, raising stone risk.
📏 Moderate Animal Protein
Lobster contains animal protein (about 19g per 100g). The AUA recommends limiting non-dairy animal protein to 3 oz (palm-sized) per meal. Reference guide, not an official standard.
📏 Oxalate by Serving Size
| Serving | Weight | Oxalate | Verdict |
|---|---|---|---|
| 3 oz | 85 g | 0 mg | Safe |
| 2 x 3 oz | 170 g | 0 mg | Safe |
| ½ x 3 oz | 42 g | 0 mg | Safe |
🏷️ Tags
🟢 See all Seafood rated Safe for kidney stones →
🔗 Related Foods
🟢 Safe alternatives (recommended)
❓ Frequently Asked Questions
Is Lobster safe for kidney stones?
It's fine. Lobster has 0 mg of oxalate per 3 oz. That's low enough that kidney stone patients don't really need to worry about it. Harvard did the measuring, not us.
What's the oxalate content of Lobster?
0 mg — that's the oxalate in a standard 3 oz of Lobster. For the 100g comparison freaks: 0 mg. Source is Harvard's 2024 food analysis project.
Is Lobster low or high oxalate?
It's low. 0 mg per 3 oz is well under the 25 mg danger line. Lobster is not the food you need to worry about.
What are the best low-oxalate alternatives to Lobster?
Substitutes exist. The safe alternatives listed below are all low-oxalate foods in the same family as Lobster. Grab one of those and you dodge the oxalate while keeping similar flavors.
Does Lobster have a lot of animal protein?
Yeah, Lobster is an animal protein source. That matters because excess animal protein raises uric acid and urinary calcium — both stone promoters. Keep portions around 3 oz (palm-sized) per meal.
Is Lobster high in sodium?
Sodium warning: Lobster packs 591 mg per 100g. That's high enough to push extra calcium into your urine — a stone risk you don't need. Pick low-sodium versions if they exist.