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I am a 41 year old male with CD, on a GF diet for around eight years.
Over the last year or so, I have developed some slight arthritis in my
neck along with some back pain (muscle).  An MRI showed nothing
major, and I was wondering if the GF diet may be contributing to my
problems in some way ? I know father time is the main enemy, but
are the any vitamins or dietary supplements anyone can recommend
that may help ?

Thanks!

*Please provide references to back up claims of a product being GF or not GF*