It is found in all living material.
Your white blood cells naturally produce hydrogen peroxide (H2O2) to fight bacteria and infections.
Fruit and vegetables naturally produce hydrogen peroxide. This is one of the reasons why it is so healthy to eat fresh fruit and vegetables.
It is found in massive dosages in the mother’s first milk, called colostrum, and is transferred to the baby to boost their immune system.
It is found in rain water because some of the H20 in the atmosphere receives an additional oxygen atom from the ozone (O3) and this H2O2 makes plants grow faster.