What kale and spinach do to your body. 👇🏼 Different plants do different things to your biology, and most of them want to kill you.⁠ ⁠ Raw kale and spinach are high in oxalates, an antinutrient that can bind to important minerals and inhibit absorption.⁠ ⁠ They can also bind to calcium and form oxalic acid crystals, which can deposit themselves in places around your body, like your kidneys (leading to painful kidney stones), your joints, and if you’re a woman, in your vagina, causing severe pai