Amazon has removed listings for two books that claim parents can 'cure' autism by feeding their children toxic chemicals.
The paperbacks - 'Healing the Symptoms Known as Autism' and 'Fight Autism and Win' - were pulled from sale worldwide on Wednesday.
It is the latest step by a major tech company to get a handle on misinformation and pseudoscience online, following moves by Facebook and Pinterest to curb unsubstantiated anti-vaxxer content.
The two newly-banned books told parents of kids with the congenital condition, including camel milk, electroconvulsive therapy, veganism, yoga and sex, Wired found.
There is reason to believe these wild, dangerous, stigmatizing suggestions were not falling on deaf ears.
Though there is no cure for autism, the CDC estimates around a third of parents of children with autism have tried discouraged treatments.
One in 10 try techniques that could be life-threatening, the agency believes.
In the book 'Healing the symptoms known as autism' parents are instructed on how to make chlorine dioxide, a type of industrial bleach, Wired reported
'Fight Autism and Win' promotes feeding children a medicine called DMSA which is used to treat lead poisoning and the FDA has warned against using without medical supervision
In 'Healing the Symptoms', the authors reportedly tell the reader how to make chlorine dioxide, a solution sometimes called Miracle Mineral Solution (MMS).
MMS is claimed to have health benefits but none are proven and it is, in reality, is a disinfectant unfit for human consumption.
Chlorine dioxide is used to disinfect drinking water, to clean electronic circuit boards and to bleach paper and fabrics.
Autism is a life-long condition which children are born with and it cannot be cured.
Around one per cent of people in the UK have autism, and different people are affected by it in different ways and to varying levels of severity.
The condition is more common among boys and men than it is in females.
Although symptoms very between people, typical signs of autism include difficulty with social interactions, rigid and sometimes obsessive habits and interests, or sensitivity to some lights and sounds.
The exact cause of autism is unknown, but it is believed to be triggered by genetic factors.
There were once claims the MMR vaccine could cause the condition but these have been proven to be completely false.
Treating someone with autism involves managing symptoms and helping them to feel comfortable in their day-to-day life, but this varies widely depending on people's individual conditions.
The US's Food and Drug Administration in 2010 specifically warned