Nope. Vitamin D doesn't seem to be an important one.
This has been the best answer I have found.
"I have had my dealings with Wry Neck, it's a horrible sight to see them go through but I must advise you, they get worst before they get better. Here's how I treat them, First 1 full vitamin E, I...
Don't be sorry! I know that birds can't have iron. I will see what I can find out about other forms of vitamins. Do you have Nutra drench? It is for poultry.
If you have some time, look for hatching articles by Sally Sunshine. She explains wry neck and how to fix the leg issue (if you aren't confident you did it right).