I went internet searching too. I see the tea is available. I went on med sites and saw that the papery coating inside the shells themselves may have some helpful qualities towards mucus and infection relief.
If it isn't actually bad for you then I cannot see harm in trying it. There are so many worse things to put into your body. Do you know if it is helping yet? Please let us know.
Drama Free Zone.
What every gardener loves the most, Begins and ends in rich compost. (Tina)