Folinic Acid is the Generic, Over-The-Counter (OTC), form . Folinic Acid can be used in replacement since they are identical. Folinic acid has been used all around the world to help children with autism improve their language. This sweet-tasting powder can be mixed into any food or drink, and is gluten and dairy free. Once you see the improvements, you’ll know it’s the best vitamin you’ve ever tried.