bloating gassy plenty of belching

wondering if I've developed Intestinal Candida.
bloating and gassy, mainly belching not so much flatulence.
I have taken DE to rule out intestinal parasites. Back to candida I suppose.
I will pickup some "DIDA" http://www.newnordicshop.ca/dida/
today to see if that helps. Any and all suggestions are welcome.
I have Colloidal Silver in the house but have not taken it, idk if it would help if Candida.

I've been eating "Dave's Killer Bread" for about a year now. I'm wondering if it may be the problem. It claims to be Non-GMO Certified Organic, with 21 whole grains and seeds - any thoughts on this product?