Oxalic acid is a naturally occurring compound in many fruits, vegetables, nuts, and whole grains. While small amounts of oxalic acid are not harmful, this compound can inhibit the absorption of other ...

Q: I've heard that spinach and some other vegetables contain significant amounts of oxalic acid, which can interfere with absorption of some minerals. What do you think about the oxalic acid issue? A: ...

Medically reviewed by Mary Choy, PharmD Oxalic acid is naturally found in many healthy plant-based foods.People with kidney stones or a history of kidney stones may need to eat a low-oxalate ...

Innovative microbial production of oxalic acid from Issatchenkia orientalis presents a green alternative for rare earth element extraction and sustainability.