Low gastric acid is usually a pretty strong sign when bloating and cramping There's usually a release of excessive ammonia
as a waste product and the liver works
hard to turn it into a less toxic chemical called urea, which is eventually filtered out by the kidneys.
A BUN test (Blood Urea Nitrogen) will verify this.
The triad , I go by is: Hypochlorydia + High BUN + symptoms=
Oh, BTW wheat is one of the most genetically modified foods on the planet.