Both read or reread ‘How to Reboot Your Biome’ (pages 186-196). Especially note comments on working in stages (p.190).
Have you both completed your detailed food and symptom diary in a ‘normal’ week/ fortnight (not Xmas/ New Year)?
If not next week is easy-ish (properly weigh or measure and record everything, so may need two sets of scales/ measuring cups/ measuring spoons). On paper, phone camera, tablet …
Depending on the phase, ‘Clever Guts’ is moderate carbohydrate, not classic restrictive low carb. A *balance* of energy from healthy fats, healthy proteins and healthy carbs.
The focus is on identifying and eliminating refined, heavily processed foods, plus your personal problem foods.
And the focus is on substantially
*increasing the variety* of nutrient dense wholefoods we have each day and week. As many food groups and types as possible.
Buy and eat whatever wholefoods work for you based on your food diaries, local stores and markets, household budget, season, kitchen facilities, tastes, lifestyle … And the guidance in pages 186-196.
Sorry, probably not really what you expected ….