Oxalate Answers, A Quick Outline 1. Oxalic acid: What is it?  A naturally occurring tiny molecule that is a toxic, corrosive acid  When it has minerals attached to it, it is called Oxalate (OX). (chemically a salt) (E.g. sodium oxalate, potassium oxalate, magnesium oxalate, calcium oxalate) Oxalate likes to form crystals. Most kidney stones contain … Continue reading What is oxalate and how can it impact your health?