Eaten at such a low frequency I doubt it matters (barring individual intolerance). If I were to dabble in such a thing I'd probably experiment and rotate types. I was intrigued to discover that my old housemate's clean sourdough bread didn't give me reflux the way all other wheat does.
Lots of: urban hiking, cycling, sprinting
Lots of: fresh meat, seafood, eggs, organs, tubers, starchy fruits, low-energy plants, meat fat, dairy fat, oily fruits
Some: cured meat, dairy protein, sweet fruits, rice, peas, tree nuts, oily seeds
Minimal: soy, refined proteins, sugar, liquid carbohydrate, grains, beans, refined oils, peanuts