- Wild-caught salmon, sardines, mackerel, anchovies
- Pasture-raised eggs
- Organic chicken and turkey
- Grass-fed beef and lamb (a few times a week)
- Lentils, chickpeas, black beans, edamame
- Leafy greens: spinach, kale, arugula, Swiss chard
- Cruciferous: broccoli, cauliflower, Brussels sprouts, cabbage
- Beets, carrots, sweet potatoes
- Garlic and onions (sulfur compounds support immune regulation)
- Avocado
- Blueberries, raspberries, strawberries, blackberries
- Tart cherries (especially good for joint and muscle recovery)
- Pomegranate
- Apples and pears (with skin)
- Extra virgin olive oil
- Walnuts, almonds, pecans
- Flaxseed (ground), chia seeds, hemp seeds
- Quinoa, brown rice, certified gluten-free oats
- Unpasteurized sauerkraut or kimchi
- Plain whole-milk yogurt or kefir (if dairy is tolerated)
- Added sugar and high-fructose corn syrup
- White bread, white pasta, pastries, most crackers
- Sweetened drinks: soda, juice, flavored coffee drinks
- Sweetened yogurt and flavored oatmeal packets
- Industrial seed oils: corn, soy, canola, sunflower, safflower
- Margarine, shortening, and anything with "partially hydrogenated"
- Fried foods (most are cooked in high-omega-6 oils)
- Deli meats and hot dogs with nitrates/nitrites
- Packaged snack foods: chips, cookies, crackers
- Fast food
- Conventional dairy if you're sensitive (test it)
- All forms increase intestinal permeability and inflammatory markers
- Beer is the most problematic (gluten + fermented grains)
You don't have to be perfect. Getting these out most of the time — not some of the time — is where you'll notice the difference.