I totally didn't think it would work, or so quickly, but I used turmeric tea to treat my pullet's wry neck. Here's the story - I did a guest post on a natural chicken keeping blog.
http://naturalchickenkeeping.blogspot.com/2014/07/WryNeck-NaturalTreatment.html
http://naturalchickenkeeping.blogspot.com/2014/07/WryNeck-NaturalTreatment.html