While having an official diagnosis may offer some benefits, especially in places in the UK where the government offers food subsidies, and where follow up tests can be ordered afterwards, there are also drawbacks:  

Thank you, Scott 

This one is likely gluten-free, with the possible exception of the Fragrance (Parfum), which might require confirmation from the manufacturer due to its proprietary nature. If you have extreme gluten sensitivity or celiac disease, contacting the product manufacturer for verification is recommended. https://chi.com/shop/categories/styling/sprays/44-iron-guard-thermal-protection-spray-1088.html  

RESPONSE FROM SANDOZ PHARMACEUTICAL - Thank you for your interest in Sandoz. We appreciate you taking the time to contact us.   You requested information about the ingredients of Alprazolam 0.25 TABLETS   Our verification is of the active and inactive ingredients in the local labelling for each product. Sandoz cannot certify our products to be latex free, as we do not test for latex. Sandoz cannot guarantee that the raw materials obtained from external suppliers did not come in contact with minute amounts of other ingredients including gluten, corn, iodine, gelatin, lactose, or animal byproducts during their manufacturing process. Patients are advised to speak with their healthcare providers regarding their treatment.   Please see link for a list of the ingredients and Important Safety Information.   https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=d9b0e228-17cf-40d7-b62e-5050311c571c

I think you mean this one.