As a celiac, I simply go to the chalice, sitting in a place where I can just quickly go up without disturbing the flow.
It is possible to have hosts with no detectable gluten.
https://glutenfreetravelblog.typepa...catholic-church-and-the-celiac-community.html
It is possible to have wheat products made safe for celiacs, e.g. glucose made from wheat, at least as its processed in my country. There is another wheat product but I hesitate to say it in case someone who is extremely, extremely gluten sensitive tries a brand that doesn’t exactly follow the traditional recipe.
However I dislike causing priests to have to give special attention on the basis of their inconvenience, and parish expense.
But it’s easy for me, yet not for those whose parishes only have consecration of one chalice, with some host in it, or those that don’t offer the Precious Blood to parishioners.
Our parish always has the consecration of two chalices. That generally happens in our local parishes
In receiving the Blood, one receives the whole Christ.