Is this finally the answer?”When you are raising an autistic child, hope is not a luxury, it’s fuel. What leucovorin actually isLeucovorin (also called folinic acid or calcium folinate) is a prescription medicine related to folate (vitamin B9). Their message was clear: the AAP does not recommend routine use of leucovorin for autistic children because the evidence base is still too limited. Those remain the heart of autism care, regardless of what is trending politically. But in medicine, the safest hope is hope grounded in evidence.