Iron carries oxygen through the blood while B12 keeps nerves healthy and makes red blood cells. Without enough of both, fatigue sets in fast and energy levels plummet.
This list brings together 93 options from meat and seafood to plant-based picks and fortified foods. All values are approximate. Unless stated otherwise, nutritional values are based on a cooked 1-cup (240ml) serving.
Red Meat & Organ Meats
Red meat and organ meats pack a powerful double punch when it comes to iron and B12, making them some of the most efficient sources of both nutrients. These foods contain heme iron, which the body absorbs more easily than the non-heme iron found in plant sources.
Beef Liver
~5 mg iron and ~70 mcg B12 per serving (well over 100% DV for both)
Sauté with onions and serve over rice, or pulse into ground beef for burgers to mask the strong flavor.
Chicken Liver
~11 mg iron and ~16 mcg B12 (over 100% DV for both)
Pan-fry with butter and herbs for a quick pâté, or skewer and grill for yakitori-style bites.
Beef Chuck Roast
~3 mg iron and ~2.5 mcg B12
Slow-cook with root vegetables for pot roast, or cube and braise for beef stew.
Ground Beef (85% lean)
~2.5 mg iron and ~2.4 mcg B12
Brown for tacos, shape into meatballs, or form into patties for classic burgers.
Lamb Chops
~2 mg iron and ~2.5 mcg B12
Season with rosemary and garlic, then grill or pan-sear until medium-rare.
Beef Sirloin Steak
~2 mg iron and ~1.5 mcg B12
Grill to preferred doneness and slice thin against the grain for stir-fries or steak salads.
Venison
~4 mg iron and ~2 mcg B12
Marinate to tenderize, then roast or pan-sear like beef steaks.
Beef Kidneys
~6 mg iron and ~28 mcg B12
Soak in milk to reduce strong flavor, then slice and sauté with mushrooms and sherry.
Bison
~3 mg iron and ~2 mcg B12
Substitute for ground beef in any recipe, but cook at lower heat since it’s very lean.
Beef Heart
~5 mg iron and ~14 mcg B12
Slice thin and marinate for grilled skewers, or cube and slow-cook in stews.
Pork Liver
~18 mg iron and ~26 mcg B12
Slice and flash-fry with ginger and soy sauce, or blend into liverwurst-style spreads.
Lamb Liver
~10 mg iron and ~85 mcg B12
Dust with flour and pan-fry quickly with lemon and parsley for a traditional preparation.
Ribeye Steak
~1.8 mg iron and ~1.4 mcg B12
Season simply with salt and pepper, then grill or reverse-sear for steakhouse results at home.
Beef Tongue
~2.5 mg iron and ~4 mcg B12
Simmer until tender, peel the outer skin, then slice thin for tacos or sandwiches.
Veal
~1 mg iron and ~1.3 mcg B12
Pound thin for scaloppine, or braise shanks slowly for osso buco.
Poultry & Eggs
Poultry and eggs offer a solid combination of both iron and B12, though they’re not quite as concentrated as organ meats. They’re familiar, versatile options that fit easily into everyday meals.
Turkey (dark meat)
~2.3 mg iron (approx. 13% DV), ~1.5 mcg B12 (approx. 63% DV)
Roast a whole turkey breast with thighs attached, or simply pan-sear turkey thighs for a weeknight dinner.
Chicken (dark meat)
~1.3 mg iron (approx. 7% DV), ~0.3 mcg B12 (approx. 13% DV)
Braise chicken thighs in tomato sauce or grill drumsticks with spices for an easy, budget-friendly meal.
Duck Breast
~4.5 mg iron (approx. 25% DV), ~0.4 mcg B12 (approx. 17% DV)
Score the skin, sear it fat-side down until crispy, then finish in the oven for a restaurant-quality dish at home.
Chicken Eggs (whole)
~1.8 mg iron (approx. 10% DV), ~1.1 mcg B12 (approx. 46% DV)
Scramble them, hard-boil for snacks, or fry alongside breakfast potatoes.
Duck Eggs
~3.9 mg iron (approx. 22% DV), ~3.8 mcg B12 (approx. 158% DV)
Use them just like chicken eggs but expect richer flavor and larger yolks, perfect for baking or custards.
Quail Eggs
~3.7 mg iron (approx. 21% DV), ~1.6 mcg B12 (approx. 67% DV)
Soft-boil them for two minutes, peel, and add to salads or serve as elegant appetizers.
Turkey Giblets
~7.4 mg iron (approx. 41% DV), ~7.7 mcg B12 (approx. 321% DV)
Simmer them with onions and herbs to make rich gravy or add to stuffing for extra flavor.
Chicken Thighs (bone-in, skin-on)
~1.4 mg iron (approx. 8% DV), ~0.4 mcg B12 (approx. 17% DV)
Bake them with root vegetables or braise in white wine for tender, flavorful meat.
Cornish Game Hen
~1.5 mg iron (approx. 8% DV), ~0.3 mcg B12 (approx. 13% DV)
Roast whole with herbs stuffed inside the cavity for an impressive individual serving.
Turkey Wings
~2.0 mg iron (approx. 11% DV), ~1.2 mcg B12 (approx. 50% DV)
Braise them low and slow until the meat falls off the bone, or smoke them for game-day appetizers.
Seafood & Fish
Seafood delivers a powerful one-two punch for iron and B12, with many varieties providing significant amounts of both nutrients. Shellfish especially shine in the iron department, while fatty fish and mollusks excel at delivering B12.
Clams
~23.8 mg iron (approx. 132% DV), ~84 mcg B12 (approx. 3,500% DV)
Steam them with white wine and garlic, toss into pasta, or add to seafood chowder for maximum nutrient density.
Oysters
~5.7 mg iron (approx. 32% DV), ~16.2 mcg B12 (approx. 675% DV)
Enjoy raw with lemon and hot sauce, or bake them with garlic butter and breadcrumbs for a cooked option.
Mussels
~6.8 mg iron (approx. 38% DV), ~20.4 mcg B12 (approx. 850% DV)
Steam in tomato broth or white wine sauce, then serve with crusty bread to soak up the flavorful liquid.
Octopus
~5.3 mg iron (approx. 29% DV), ~20 mcg B12 (approx. 833% DV)
Grill after tenderizing by simmering, or braise slowly in red wine with tomatoes and olives.
Sardines
~2.9 mg iron (approx. 16% DV), ~8.9 mcg B12 (approx. 371% DV)
Eat straight from the tin, mash onto toast, or toss with pasta and capers for a quick meal.
Mackerel
~1.6 mg iron (approx. 9% DV), ~16.1 mcg B12 (approx. 671% DV)
Grill whole with lemon, smoke for breakfast, or pan-fry fillets with a crispy skin.
Salmon
~0.8 mg iron (approx. 4% DV), ~4.8 mcg B12 (approx. 200% DV)
Bake with herbs, grill on cedar planks, or flake into salads and grain bowls.
Trout
~2 mg iron (approx. 11% DV), ~7.8 mcg B12 (approx. 325% DV)
Pan-fry with butter and almonds, stuff with herbs and bake, or smoke for a rich flavor.
Tuna (Bluefin)
~1.3 mg iron (approx. 7% DV), ~9.4 mcg B12 (approx. 392% DV)
Sear quickly for steaks, use raw in poke bowls, or grill and slice over salads.
Crab
~0.7 mg iron (approx. 4% DV), ~9.8 mcg B12 (approx. 408% DV)
Pick the meat for crab cakes, add to seafood boils, or fold into omelets and pasta dishes.
Lobster
~0.3 mg iron (approx. 2% DV), ~3.6 mcg B12 (approx. 150% DV)
Steam or boil whole and serve with melted butter, or add the meat to rolls and bisques.
Anchovies
~3.3 mg iron (approx. 18% DV), ~1.2 mcg B12 (approx. 50% DV)
Melt into pasta sauces, layer on pizza, or blend into Caesar dressing for depth.
Shrimp
~0.5 mg iron (approx. 3% DV), ~1.4 mcg B12 (approx. 58% DV)
Sauté with garlic, grill on skewers, or add to stir-fries and curry dishes.
Halibut
~0.9 mg iron (approx. 5% DV), ~1.2 mcg B12 (approx. 50% DV)
Roast with vegetables, grill with citrus marinade, or poach gently in broth.
Cod
~0.5 mg iron (approx. 3% DV), ~1.8 mcg B12 (approx. 75% DV)
Bake with breadcrumb topping, use in fish tacos, or poach for fish cakes and chowders.
Fortified Foods
Fortified foods offer a reliable way to boost both iron and B12 intake, especially for people following plant-based diets or those with absorption issues. Many everyday breakfast and pantry staples are enriched with these essential nutrients, making them easy additions to any meal plan.
Fortified Breakfast Cereal
~18 mg iron (approx. 100% DV) and 6 mcg B12 (approx. 250% DV) per serving in many brands
Check labels carefully since fortification levels vary widely, and pair with vitamin C-rich fruits for better iron absorption.
Fortified Plant Milk (Soy, Almond, Oat)
~1.8 mg iron (approx. 10% DV) and 1.2 mcg B12 (approx. 50% DV) in most fortified varieties
Shake the container well before pouring since nutrients can settle at the bottom.
Nutritional Yeast
~2 mg iron (approx. 11% DV) and 8 mcg B12 (approx. 333% DV) per tablespoon in fortified versions
Sprinkle over popcorn, pasta, or roasted vegetables for a cheesy, savory flavor boost.
Fortified Tofu
~3 mg iron (approx. 17% DV) and varying B12 levels depending on brand
Look for calcium-set varieties, which typically offer higher mineral content overall.
Fortified Orange Juice
~0.5 mg iron (approx. 3% DV) and 2.5 mcg B12 (approx. 104% DV) in fortified brands
Drink a glass with iron-rich meals to enhance absorption thanks to the natural vitamin C.
Fortified Energy Bars
~3-4 mg iron (approx. 17-22% DV) and 1.5 mcg B12 (approx. 63% DV) in many varieties
Keep them on hand for quick breakfasts or pre-workout fuel when time is tight.
Fortified Instant Oatmeal
~7 mg iron (approx. 39% DV) and 1.5 mcg B12 (approx. 63% DV) in enriched packets
Top with nuts and berries for a more balanced breakfast with added nutrients.
Fortified Meat Alternatives
~2-3 mg iron (approx. 11-17% DV) and 1-3 mcg B12 (approx. 42-125% DV) depending on brand
Use these plant-based patties and crumbles just like ground meat in tacos, pasta sauce, or stir-fries.
Fortified Pasta
~2-4 mg iron (approx. 11-22% DV) depending on enrichment level
Choose whole grain or legume-based versions for even more natural iron content.
Fortified Bread
~1-2 mg iron (approx. 6-11% DV) per two slices
Turn it into iron-rich sandwiches with hummus and dark leafy greens for a double nutrient boost.
Fortified Rice (White)
~2 mg iron (approx. 11% DV) in enriched versions
Avoid rinsing enriched rice before cooking, as this washes away the added nutrients.
Fortified Protein Powder
~3-5 mg iron (approx. 17-28% DV) and 1.2 mcg B12 (approx. 50% DV) in many formulations
Blend into smoothies with spinach and berries for a nutrient-packed meal replacement.
Fortified Vegan Cheese
~0.5-1 mg iron (approx. 3-6% DV) and 0.5-1 mcg B12 (approx. 21-42% DV) in most brands
Melt it over veggie burgers or quesadillas for familiar comfort food with added nutrition.
Legumes & Seeds
Legumes and seeds deliver solid iron content, though they lack B12 entirely since it’s only found naturally in animal products. They’re still worth including for their iron contribution, especially when paired with vitamin C-rich foods to boost absorption.
Lentils
~6.6 mg iron (approx. 37% DV)
Toss them into soups, stews, or grain bowls where they’ll soak up flavors while adding heartiness.
White Beans
~5.8 mg iron (approx. 32% DV)
Mash them into dips, blend into creamy soups, or toss with olive oil and herbs for a quick side dish.
Chickpeas
~4.7 mg iron (approx. 26% DV)
Roast them for crunchy snacks, blend into hummus, or add to curries and salads for protein and texture.
Black Beans
~3.6 mg iron (approx. 20% DV)
Mix them into tacos, burritos, or rice dishes, or mash them as a base for veggie burgers.
Kidney Beans
~3.9 mg iron (approx. 22% DV)
Simmer them in chili, add to minestrone, or mix into three-bean salads for cookouts.
Navy Beans
~4.5 mg iron (approx. 25% DV)
Use them in baked bean recipes, white bean chili, or pureed into creamy pasta sauces.
Pumpkin Seeds
~4.2 mg iron (approx. 23% DV)
Sprinkle them over salads, yogurt, or oatmeal, or blend into pesto for extra crunch.
Hemp Seeds
~2.4 mg iron (approx. 13% DV)
Stir them into smoothies, sprinkle over grain bowls, or mix into homemade granola.
Sesame Seeds
~4.1 mg iron (approx. 23% DV)
Toast them for salad toppers, blend into tahini, or use as a coating for chicken or fish.
Sunflower Seeds
~1.9 mg iron (approx. 11% DV)
Toss them into trail mix, bake into muffins, or scatter over roasted vegetables.
Black-Eyed Peas
~3.3 mg iron (approx. 18% DV)
Simmer them with greens and ham, toss into succotash, or serve over rice with hot sauce.
Lima Beans
~4.5 mg iron (approx. 25% DV)
Mix them into vegetable soups, serve buttered as a side, or mash into dips with garlic.
Split Peas
~1.9 mg iron (approx. 11% DV)
Cook them into thick, hearty soups with ham or make them the base for Indian dal.
Flax Seeds
~1.0 mg iron (approx. 6% DV)
Grind them fresh and add to smoothies, baked goods, or oatmeal for a nutritional boost.
Dark Leafy Greens & Vegetables
Leafy greens pack serious iron content, though they lack B12 entirely since it’s only found naturally in animal products. Still, these vegetables earn their spot by delivering impressive iron levels that support red blood cell production alongside other essential nutrients like folate and vitamin C.
Spinach
~3.6 mg iron per cooked portion (approx. 20% DV)
Sauté with garlic as a side dish, blend into smoothies, or wilt into pasta dishes and omelets.
Swiss Chard
~4 mg iron per cooked portion (approx. 22% DV)
Chop the stems and leaves separately, sautéing stems first before adding the tender greens to soups or grain bowls.
Beet Greens
~2.7 mg iron per cooked portion (approx. 15% DV)
Treat these like any hearty green—sauté with olive oil and lemon, or add to stir-fries instead of tossing them when prepping beets.
Collard Greens
~2.2 mg iron per cooked portion (approx. 12% DV)
Braise slowly with aromatics for traditional preparations, or use raw leaves as sturdy wraps for sandwich fillings.
Turnip Greens
~3.2 mg iron per cooked portion (approx. 18% DV)
Simmer with smoked meat or mushrooms for depth, or quickly sauté as a peppery side vegetable.
Mustard Greens
~2.5 mg iron per cooked portion (approx. 14% DV)
Balance their sharp bite by cooking with sweet or acidic ingredients, or mix with milder greens in salads.
Kale
~1.1 mg iron per cooked portion (approx. 6% DV)
Massage raw leaves with oil and acid for salads, bake into chips, or add to soups during the last few minutes of cooking.
Bok Choy
~1.8 mg iron per cooked portion (approx. 10% DV)
Slice and stir-fry for a crisp-tender texture, or add whole baby bok choy to broths and noodle soups.
Arugula
~1.5 mg iron per raw portion (approx. 8% DV)
Toss into salads for peppery flavor, pile onto pizzas after baking, or blend into pesto for a spicy twist.
Broccoli
~1 mg iron per cooked portion (approx. 6% DV)
Roast until crispy at the edges, steam for a simple side, or add to stir-fries and casseroles.
Brussels Sprouts
~1.9 mg iron per cooked portion (approx. 11% DV)
Halve and roast with high heat for caramelization, or shred raw into slaws for crunch.
Cabbage
~0.7 mg iron per cooked portion (approx. 4% DV)
Ferment into sauerkraut for probiotic benefits, braise as a side dish, or shred into coleslaw and tacos.
Green Peas
~2.5 mg iron per cooked portion (approx. 14% DV)
Stir into risottos and pasta during finishing, add to pot pies, or mash with mint for a spring side.
Asparagus
~2.9 mg iron per cooked portion (approx. 16% DV)
Roast with olive oil until tender, grill for smoky flavor, or blanch and toss into salads and frittatas.
Dairy Products
Dairy products offer a solid source of vitamin B12, though they’re not particularly high in iron. Still, they’re worth including for their B12 contribution, especially for vegetarians who eat dairy. Regular consumption can help meet daily B12 needs while providing calcium and protein as a bonus.
Cottage Cheese
~0.9 mcg vitamin B12 (approx. 38% DV), minimal iron
Mix into savory bowls with tomatoes and herbs, or pair with fruit for a quick protein-packed snack.
Swiss Cheese
~1.7 mcg vitamin B12 (approx. 71% DV), minimal iron
Layer into sandwiches or melt over roasted vegetables for a nutty, B12-rich addition to meals.
Mozzarella Cheese
~0.9 mcg vitamin B12 (approx. 38% DV), minimal iron
Slice fresh mozzarella for caprese salads or melt it over homemade pizza and pasta bakes.
Cheddar Cheese
~0.5 mcg vitamin B12 (approx. 21% DV), minimal iron
Shred over scrambled eggs, grate into quesadillas, or cube for a convenient protein-rich snack.
Feta Cheese
~1.7 mcg vitamin B12 (approx. 71% DV), minimal iron
Crumble over Mediterranean salads, roasted vegetables, or mix into omelets for a tangy, salty punch.
Whole Milk
~0.5 mcg vitamin B12 (approx. 21% DV), minimal iron
Use in smoothies, coffee, or oatmeal for a creamy texture and a modest B12 boost.
Plain Greek Yogurt
~1.3 mcg vitamin B12 (approx. 54% DV), minimal iron
Top with nuts and berries for breakfast or use as a base for savory dips and salad dressings.
Ricotta Cheese
~0.3 mcg vitamin B12 (approx. 13% DV), minimal iron
Spread on toast with honey, layer into lasagna, or blend into pancake batter for extra richness.
Parmesan Cheese
~0.9 mcg vitamin B12 (approx. 38% DV), minimal iron
Grate generously over pasta, soups, and roasted vegetables to add umami depth and B12.
Kefir
~0.5 mcg vitamin B12 (approx. 21% DV), minimal iron
Drink straight, blend into smoothies, or use as a tangy base for overnight oats and salad dressings.
Plain Yogurt
~0.6 mcg vitamin B12 (approx. 25% DV), minimal iron
Stir into curries for creaminess, use as a sour cream substitute, or layer with granola for parfaits.
Blue Cheese
~0.6 mcg vitamin B12 (approx. 25% DV), minimal iron
Crumble over steak salads, stuff into burgers, or melt into sauces for bold, pungent flavor.
FAQs
Animal proteins like beef, lamb, and liver are excellent sources of both nutrients. Shellfish such as clams, oysters, and mussels also provide significant amounts of iron and B12. For the highest concentrations of both, organ meats are the top choice.
Plant foods like legumes, spinach, and fortified cereals contain iron, but natural B12 is only found in animal products. Vegans and vegetarians need to consume B12-fortified foods like nutritional yeast, plant milks, and cereals, or take supplements to meet their B12 needs.
Adult men need 8mg of iron and 2.4mcg of B12 daily, while women aged 19-50 need 18mg of iron and 2.4mcg of B12. Pregnant women require more of both nutrients, needing 27mg of iron and 2.6mcg of B12 per day.
Both deficiencies cause fatigue, weakness, and pale skin. Iron deficiency may also lead to shortness of breath, cold hands and feet, and brittle nails, while B12 deficiency can cause numbness, tingling in hands and feet, memory problems, and mood changes.
Yes, vitamin C significantly enhances the absorption of non-heme iron from plant sources. Pairing iron-rich foods with citrus fruits, tomatoes, bell peppers, or strawberries can boost iron uptake by up to three times.
Iron and B12 can be taken together safely as they don't interfere with each other's absorption. However, it's best to consult a doctor before starting supplements, as excessive iron can cause problems and most people can meet their needs through diet.
Calcium, coffee, and tea can reduce iron absorption when consumed with meals. B12 absorption can be hindered by certain medications like metformin and proton pump inhibitors, as well as digestive disorders affecting the stomach and small intestine.
Fortified breakfast cereals, plant milks, and nutritional yeast are reliable sources, especially for vegetarians and vegans. Check labels to ensure adequate amounts, as fortification levels vary by brand and product type.