I will. Thanks. I did just have mg B12 drawn. I should also state that I am already taking a Vit D supplement, as I live in the US in New England sand just about everyone who lives here is deficient, esp during our winters with less exposure to natural sunlight. I was also taking a chewable bariatric vitamin as well because of my food issues related to my cancer treatment (which was many years ago, but there are long term effects.) I just stopped it because I was unable to get any gluten information about it. And it did contain iodine. Is there even a vitamin that doesn’t? I don’t know, but I will check. I also take Calcium and Magnesium in the form of “Rolaids” for leg cramps/spasms, with good effects. Thanks. 

@Itsabit, Ask your doctor for an erythrocyte transkelatose test to measure thiamine.  It's a better measure of thiamine deficiency than a serum test.

Most toothpastes are naturally gluten-free, but this article may be helpful:  

This article has some detailed information on how to be 100% gluten-free, so it may be helpful (be sure to also read the comments section.):    

Thank you for your response. It has some good information for me to investigate further. In answer to your question about Vit D, yes, and it was normal. I am having the B12 level done today. Additionally, I am going to have a urine to test for iodine, after a correlation with it to dermatitis herpetiformis was mentioned in another post. I had read that in my research as well. I am praying that I don’t have that! The dietary restrictions, esp when combined with eating gluten free are horrendous! Talk about malnutrition! Anyway, one step, one day at a time. I’m trying not to get ahead of myself. Not easy.