Blood Type AB Diet — Best Foods, What to Avoid & Grocery Tips

What Is the Blood Type AB Diet?

The Blood Type AB diet is built on the idea that Type AB — the rarest blood type, carried by roughly 5% of the global population — is a genetic fusion of Type A and Type B. People with Type AB inherited both the plant-adapted and meat-tolerant metabolic strengths of their ancestors, giving them the most flexible digestion of any blood type. The tradeoff: they carry the avoid lists of both A and B in their genetics, making the specific food choices narrower than the raw number of tolerated foods suggests.

Proponents of the blood type diet believe that lectins — proteins found in foods — interact differently with each blood type's antigen markers. For Type AB, the theory is that the combined A+B antigen profile creates unique lectin sensitivities that differ from either parent type alone. Red meat, for example, sits differently in Type AB than it does in Type O or Type B — the combined profile changes how the digestive system processes it.

The practical result: Type AB can eat a wider variety of foods than Type A or Type B alone, but must avoid certain foods that neither parent type should have. The diet is best understood as a combination of A and B tolerances with some distinctive AB-only restrictions layered on top.

Best Foods for Blood Type AB

Proteins (The Hybrid Advantage)

Type AB tolerates both plant proteins (like Type A) and moderate amounts of quality animal protein (like Type B). Fish, turkey, and tofu are especially well-aligned. The key distinction from Type B is that red meat is not a preferred protein — small amounts of lean cuts are tolerated, but shouldn't anchor the diet the way they might for Type O or Type B.

• Fish — salmon, mackerel, cod, halibut, sardines (Omega-3 rich, well-tolerated)
• Poultry — turkey, chicken (in moderation, preferably organic)
• Plant proteins — tofu, tempeh, edamame (especially well-aligned)
• Eggs — well-tolerated, good neutral protein source
• Small amounts OK — lamb, rabbit, venison (lean cuts, not a staple)
• Limit — beef and pork (small portions only, not daily)
• AVOID — processed meats with nitrates and additives

Dairy (Better Tolerated Than Type A)

Type AB inherited partial dairy tolerance from the Type B side. Fermented dairy products like yogurt and kefir are especially well-aligned — the live cultures support gut health and the protein is easier to digest than plain milk.

• Best picks — yogurt, kefir, cottage cheese, aged hard cheeses
• Tolerated — milk, goat milk, butter (in small amounts)
• Watch — full-fat dairy in large quantities may not suit every Type AB

Vegetables (Beneficial)

Type AB has no major vegetable restrictions. A wide variety of vegetables are considered beneficial, with leafy greens and sulfur-rich vegetables being particularly well-aligned.

• Leafy greens — spinach, kale, broccoli, collard greens, bok choy
• Root vegetables — beets, carrots, sweet potatoes, parsnips
• Cruciferous — cabbage, Brussels sprouts, cauliflower, radishes
• Alliums — garlic, onion, leeks, shallots
• Mushrooms — shiitake, cremini, button
• Other — peppers, zucchini, okra, eggplant, parsley, cilantro

Fruits (Beneficial)

Type AB tolerates a broad range of fruits. Tart fruits like lemons, cranberries, and cherries are especially well-aligned. Pineapple and papaya are good choices due to their digestive enzyme content.

• Berries — blueberries, cranberries, cherries, grapes
• Tart fruits — lemons, limes, cranberries
• Tropical — pineapple, papaya, mango
• Stone fruits — figs, apricots, plums

Grains (Moderation — Avoid Wheat)

Type AB does best with gluten-free ancient grains. Wheat products — even whole wheat — are generally discouraged due to the combined A+B genetic sensitivity. Oats, rice, and quinoa are better grain choices for Type AB.

• Better choices — rice (brown or white), oats, quinoa, millet
• Limit or avoid — wheat bread, pasta, baked goods, commercial cereals

Foods to Avoid for Blood Type AB

Type AB carries combined sensitivities from both parent types. The avoid list draws from both the Type A and Type B restrictions, with a few AB-specific nuances. Scan any packaged product with Manna-Scan to see how specific ingredients affect your Type AB profile before adding them to your cart.

• Red meat in excess — large servings of beef, lamb, venison (small amounts are tolerated, but not as a dietary staple)
• Chicken (some formulations) — some Type AB guides flag chicken as a sensitivity due to the combined A+B profile. Try removing it for 2–3 weeks and see how you feel.
• Corn and corn products — tortillas, polenta, cornmeal, corn syrup, popcorn
• Buckwheat — a distinctive Type B restriction that carries into Type AB
• Wheat and wheat products — bread, pasta, baked goods, commercial cereals (even whole wheat)
• Lentils and red beans — a legume restriction shared with Type B
• Peanuts and sesame seeds — nut restrictions shared with Type B
• Processed foods — additives and preservatives can aggravate the Type AB immune response
• Refined sugar — candy, sugary drinks, excess desserts

Note: Type AB sits between A and B in terms of dietary flexibility, but the avoid list is a combination of both. If something is on the Type A or Type B avoid list, it's likely worth limiting for Type AB too.

Sample Grocery List for Blood Type AB

A practical weekly grocery list for a Type AB diet. Type AB is the most flexible blood type — use this as a starting point and adjust based on how you feel.

Proteins

• Salmon or mackerel fillets (0.5–1 lb)
• Turkey or chicken breast (0.5 lb)
• Tofu or tempeh (2 blocks)
• Eggs (1 dozen)
• Lamb or rabbit (0.5 lb, optional/small amounts)
• Avoid: large amounts of beef, processed meats

Dairy (Stock Up)

• Plain yogurt (2–3 containers)
• Kefir (1 bottle)
• Hard cheese (cheddar or gruyere, 1 block)
• Cottage cheese (1 small container)
• Butter (1 block, use sparingly)

Vegetables

• Spinach (1–2 bags or bunches)
• Kale or broccoli (1 bunch/bag)
• Beets (1 bunch) and carrots (1 bag)
• Cabbage or Brussels sprouts (1 head/bag)
• Garlic (1 head), onion (2), mushrooms (1 pack)
• Sweet potatoes (2–3 lbs)
• Peppers or eggplant (as desired)

Fruits

• Pineapple (1) or papaya (1 medium)
• Blueberries or cranberries (1 pint)
• Grapes or plums (1 lb)
• Lemons or limes (2–3)
• Figs or apricots (as available)

Pantry

• Brown rice or quinoa (1 bag each)
• Oats (1 bag)
• Olive oil (extra virgin, 1 bottle)
• Walnuts or almonds (1 bag)
• Green tea or herbal tea (1 box)
• Avoid: wheat bread, pasta, corn products, buckwheat, peanuts

Quick Type AB Recipes

Salmon with Roasted Vegetables and Brown Rice

Prep time: 10 minutes   Cook time: 25 minutes   Serves: 2

Ingredients: 2 salmon fillets, 1 cup brown rice (cooked), 2 cups broccoli florets, 1 cup sliced beets, 1 tbsp olive oil, 1 lemon (juiced), 2 cloves garlic, salt and pepper, fresh dill.

Instructions: Preheat oven to 400°F. Toss broccoli and beets with olive oil, salt, and pepper on a baking sheet. Roast for 15 minutes. Season salmon with garlic, salt, and pepper. Add salmon to the sheet and roast 12–15 minutes until done. Cook brown rice if not already done. Serve salmon over rice with roasted vegetables, drizzle with lemon juice, and top with fresh dill. Salmon is one of the most well-aligned proteins for Type AB — this is a clean, simple weeknight dinner.

Tofu Vegetable Stir-Fry with Pineapple

Prep time: 10 minutes   Cook time: 15 minutes   Serves: 2

Ingredients: 1 block firm tofu (pressed and cubed), 1 cup broccoli florets, 1 cup pineapple chunks, 1 cup shredded cabbage, 2 cloves garlic, 1 tbsp ginger (grated), 2 tbsp olive oil, 2 tbsp coconut aminos, 1 tsp rice vinegar, 1 cup brown rice (cooked).

Instructions: Heat 1 tbsp oil in a wok over medium-high. Add tofu and cook until golden on all sides, about 5–6 minutes. Remove and set aside. Add remaining oil, garlic, and ginger. Stir 30 seconds. Add cabbage and broccoli stems, stir-fry 2 minutes. Add pineapple and coconut aminos, toss 1 minute. Return tofu to the pan, add rice vinegar, and toss everything together for 1–2 minutes. Serve over brown rice. Both tofu and pineapple are excellent choices for Type AB — this stir-fry is quick, nutritious, and plant-forward.

Yogurt Berry Parfait with Walnuts

Prep time: 5 minutes   Serves: 1

Ingredients: 1 cup full-fat plain yogurt, half cup blueberries, half cup cranberries, 1 tbsp walnuts, 1 tsp honey, pinch of cinnamon.

Instructions: Layer yogurt in a bowl or glass. Top with blueberries, cranberries, walnuts, a drizzle of honey, and cinnamon. Fermented dairy is one of the best food categories for Type AB — this parfait works as a breakfast, snack, or dessert. Make it ahead for grab-and-go mornings.

Turkey and Vegetable Soup

Prep time: 15 minutes   Cook time: 30 minutes   Serves: 4

Ingredients: 0.75 lb ground turkey, 4 cups vegetable broth, 2 cups spinach, 1 cup mushrooms, 1 onion (diced), 3 cloves garlic, 2 carrots (diced), 2 tbsp olive oil, 1 tsp turmeric, 1 tsp thyme, salt and pepper, fresh parsley.

Instructions: Heat oil in a large pot over medium-high. Cook turkey until browned, breaking it up as it cooks. Remove and set aside. Add onion, carrots, and garlic to the pot — sauté 3–4 minutes. Add mushrooms and thyme, stir 1 minute. Add broth and return turkey to the pot. Bring to a boil, reduce heat, and simmer 15 minutes. Add spinach in the last 2 minutes until just wilted. Season with salt and pepper, top with parsley. Turkey is a well-aligned protein for Type AB — this soup is warming, protein-rich, and makes great leftovers.

Blood Type AB Food Matrix

A quick-reference rating table for common grocery items. Type AB's profile combines A and B tolerances — use this matrix alongside Manna-Scan to check any packaged product before it goes in your cart.

Sample 3-Day Meal Plan for Blood Type AB

A starter meal plan built around Type AB's unique hybrid profile: plant-forward, fish-centered, fermented-dairy friendly, wheat-free. Adjust portions and swap items using the food matrix above as your guide.

Day 1

• Breakfast: Yogurt parfait with blueberries, cranberries, walnuts, and a drizzle of honey
• Lunch: Salmon salad over spinach with beets, carrots, olive oil, and lemon dressing
• Dinner: Turkey and vegetable soup with spinach, mushrooms, carrots, and turmeric — serve with brown rice
• Snack: Sliced apricots or figs with a small handful of almonds

Day 2

• Breakfast: Oatmeal (rolled oats) cooked with kefir or almond milk, topped with cranberries and cinnamon
• Lunch: Tofu stir-fry with broccoli, cabbage, garlic, and coconut aminos over quinoa
• Dinner: Baked mackerel with roasted sweet potatoes and steamed kale — drizzle with walnut oil
• Snack: Pineapple chunks with cottage cheese

Day 3

• Breakfast: Scrambled eggs with spinach, garlic, and mushrooms — serve with a side of sliced tomatoes
• Lunch: Tempeh and vegetable bowl with broccoli, beets, and millet — dress with olive oil and lemon
• Dinner: Grilled turkey breast with roasted Brussels sprouts and brown rice pilaf with garlic and herbs
• Snack: Kefir smoothie blended with blueberries, a splash of lemon juice, and a teaspoon of honey

Tip: Keep packaged products to a minimum. When you do buy packaged goods — sauces, snacks, cereals — scan the barcode with Manna-Scan to check for hidden corn syrup, wheat starch, or other Type AB avoid ingredients before they end up in your cart.

Scan Any Grocery Product for Type AB

Not sure if a product on the shelf works for your blood type? Open Manna-Scan on your phone, scan the barcode, and get an instant personalized breakdown — beneficial, limit, or avoid — based on your Type AB profile.

Scan a Product Now →

Or browse our complete food list for all four blood types if you haven't chosen yours yet. And if you're Type O, Type A, or Type B, check out the complete guides for Blood Type O, Blood Type A, and Blood Type B.

Key Takeaways for Type AB

• Eat fish twice a week. Salmon, mackerel, and sardines are especially well-aligned with Type AB.
• Go plant-forward. Tofu, tempeh, and vegetables should anchor most meals.
• Use poultry in moderation. Turkey is a better choice than chicken for most Type AB individuals.
• Watch red meat portions. Small amounts of lean cuts are tolerated, but not as a dietary staple.
• Embrace fermented dairy. Yogurt and kefir are well-aligned — support your gut health.
• Skip the wheat. Rice, quinoa, and oats are better grain choices for Type AB.
• Scan before you buy. Use Manna-Scan to check any packaged product in real time before it goes in your basket.