I havenít had grains, wheat or otherwise (other than flax) such as bread, crackers, croutons, cake..anything with wheat in 2 years...about 4 Times Iíve had 1/2 a toast or a piece of cake for a birthday. But I donít avoid like gluten in vitamin supplement, just food.
About every 5 years I do research ... last I heard they think there is a genetic component to psoriasis (unlike eczema where there does seem to be an allergy component) but something like 9 different genetic markers could be involved. So what works for one isnít likely to work for the other 9.
However, I gather ppl have been helped by Dr Pagano. His diet is basically strictly low carb, with a specific gut-healing tea morning and night, with certain chiropractic treatments to improve the nerves through the spines to the digestive tract ... his approach is similar to healing leaky gut syndrome.
Hereís his book: https://www.amazon.ca/healing-psori...20john%20pagano
I have done blood tests for food sensitivities and itís pretty clear leaky gut isnít my issue. I have very few sensitivities, of foods i donít much eat (soy, ginger.) i eat low carb. I did try his diet without the chiropractie work...Iím not comfortable with spinal manipulations. Basically if I do phototherapy religiously, apply creams sparingly and eat low carb, do yoga, reduce stress...it fades but is never clear. So I go up and down with how much work or effort Iím willing to put into clear skin...3 visits a week to the skin care clinic at hospital for phototherapy isnít always easy to fit in.
Iíve never avooided dairy but based on my cravings and symptoms with the PA, i think wheat is more an issue for me.
Good luck with your trials.