Foods High in Iron
Daily value: 18 mg/day
Iron is essential for making hemoglobin, the protein in red blood cells that carries oxygen to every tissue in your body. The FDA recommends 18 mg/day for adults, though needs vary significantly — premenopausal women need 18 mg while men need only 8 mg. Iron deficiency is the most common nutritional deficiency worldwide, affecting an estimated 2 billion people. What makes iron unique is the dramatic difference in absorption between food sources: heme iron from animal foods absorbs at 15–35%, while non-heme iron from plants absorbs at only 2–20%. Strategic food pairing — especially combining iron with vitamin C — can triple absorption rates.
Top 111 Foods High in Iron
Lentils
1 cup cooked (198g)
6.6 mg of iron per serving
White Beans
1 cup cooked (179g)
6.6 mg of iron per serving
Spinach
1 cup cooked (180g)
6.4 mg of iron per serving
Mussels
3 oz cooked (85g)
5.7 mg of iron per serving
Oysters
6 medium (84g)
5.8 mg of iron per serving
Beef Liver
3 oz (85g)
5.6 mg of iron per serving
Amaranth
1 cup cooked (246g)
5.2 mg of iron per serving
Kidney Beans
1 cup cooked (177g)
5.2 mg of iron per serving
Teff
1 cup cooked (252g)
5.2 mg of iron per serving
Chickpeas
1 cup cooked (164g)
4.7 mg of iron per serving
Seitan
3 oz (85g)
4.4 mg of iron per serving
Lima Beans
1 cup cooked (170g)
4.1 mg of iron per serving
Swiss Chard
1 cup cooked (175g)
4 mg of iron per serving
Kimchi
1 cup (150g)
3.8 mg of iron per serving
Black Beans
1 cup cooked (172g)
3.6 mg of iron per serving
Bison (Ground)
4 oz (113g)
3.5 mg of iron per serving
Canned Pumpkin
1 cup (245g)
3.4 mg of iron per serving
Edamame
1 cup shelled (155g)
3.5 mg of iron per serving
Tofu (firm)
½ cup (126g)
3.4 mg of iron per serving
Dark Chocolate (85%)
1 oz (28g)
3.3 mg of iron per serving
Beef (lean)
4 oz (113g)
2.9 mg of iron per serving
Quinoa
1 cup cooked (185g)
2.8 mg of iron per serving
Sardines
1 can (92g)
2.7 mg of iron per serving
Tahini (Sesame Paste)
2 tbsp (30g)
2.7 mg of iron per serving
Green Peas
1 cup cooked (160g)
2.5 mg of iron per serving
Pumpkin Seeds
¼ cup (30g)
2.6 mg of iron per serving
Split Peas
1 cup cooked (196g)
2.5 mg of iron per serving
Clams
3 oz cooked (85g)
2.4 mg of iron per serving
Hemp Seeds
3 tbsp (30g)
2.4 mg of iron per serving
Tempeh
3 oz (85g)
2.3 mg of iron per serving
Anchovies
1 can (45g)
2.1 mg of iron per serving
Barley
1 cup cooked (157g)
2.1 mg of iron per serving
Chia Seeds
2 tbsp (28g)
2.2 mg of iron per serving
Collard Greens
1 cup cooked (190g)
2.1 mg of iron per serving
Sauerkraut
1 cup (142g)
2.1 mg of iron per serving
Brussels Sprouts
1 cup cooked (156g)
1.9 mg of iron per serving
Canned Tuna
1 can drained (142g)
2 mg of iron per serving
Cashews
¼ cup (28g)
1.9 mg of iron per serving
Lamb
4 oz (113g)
2 mg of iron per serving
Potato
1 medium (173g)
1.9 mg of iron per serving
Sugar Snap Peas
1 cup (98g)
2 mg of iron per serving
Spirulina
1 tbsp (7g)
2 mg of iron per serving
Sunflower Seeds
¼ cup (35g)
1.8 mg of iron per serving
Asparagus
1 cup cooked (180g)
1.6 mg of iron per serving
Oats
½ cup dry (40g)
1.7 mg of iron per serving
Almonds
¼ cup (35g)
1.3 mg of iron per serving
Beets
1 cup cooked (170g)
1.3 mg of iron per serving
Buckwheat
1 cup cooked (168g)
1.3 mg of iron per serving
Eggs
2 large eggs (100g)
1.2 mg of iron per serving
Fortified Soy Milk
1 cup (240ml)
1.2 mg of iron per serving
Herring
3 oz (85g)
1.2 mg of iron per serving
Mackerel
3 oz (85g)
1.3 mg of iron per serving
Pistachios
¼ cup (31g)
1.2 mg of iron per serving
Pork Tenderloin
4 oz (113g)
1.3 mg of iron per serving
Wild Salmon
4 oz fillet (113g)
1.2 mg of iron per serving
Turnip Greens
1 cup cooked (144g)
1.2 mg of iron per serving
Broccoli
1 cup cooked (156g)
1 mg of iron per serving
Brown Rice
1 cup cooked (195g)
1 mg of iron per serving
Dried Figs
¼ cup (50g)
1 mg of iron per serving
Kale
1 cup chopped (67g)
1.1 mg of iron per serving
Millet
1 cup cooked (174g)
1.1 mg of iron per serving
Sweet Potato
1 medium (150g)
1 mg of iron per serving
Dried Apricots
¼ cup (33g)
0.9 mg of iron per serving
Walnuts
¼ cup (30g)
0.9 mg of iron per serving
Artichoke
1 medium cooked (120g)
0.7 mg of iron per serving
Coconut (Dried/Shredded)
¼ cup (20g)
0.7 mg of iron per serving
Sweet Corn
1 cup kernels (154g)
0.7 mg of iron per serving
Ground Flaxseed
2 tbsp (14g)
0.8 mg of iron per serving
Pecans
1 oz (28g)
0.7 mg of iron per serving
Red Bell Pepper
1 medium (119g)
0.5 mg of iron per serving
Bone Broth (Beef)
1 cup (240ml)
0.5 mg of iron per serving
Chicken Breast
4 oz (113g)
0.5 mg of iron per serving
Cod
4 oz (113g)
0.6 mg of iron per serving
Kiwi
2 medium (150g)
0.5 mg of iron per serving
Nori (Seaweed)
10 sheets (25g)
0.5 mg of iron per serving
Nutritional Yeast
2 tbsp (16g)
0.6 mg of iron per serving
Peanut Butter
2 tbsp (32g)
0.6 mg of iron per serving
Pineapple
1 cup chunks (165g)
0.5 mg of iron per serving
Pomegranate
1 cup arils (174g)
0.5 mg of iron per serving
Ricotta
½ cup (124g)
0.5 mg of iron per serving
Shrimp
4 oz (113g)
0.6 mg of iron per serving
Strawberries
1 cup (152g)
0.6 mg of iron per serving
Tomatoes
1 cup chopped (180g)
0.5 mg of iron per serving
Turkey Breast
4 oz (113g)
0.6 mg of iron per serving
Avocado
½ medium (68g)
0.4 mg of iron per serving
Banana
1 medium (118g)
0.3 mg of iron per serving
Blueberries
1 cup (148g)
0.4 mg of iron per serving
Brazil Nuts
3 nuts (15g)
0.4 mg of iron per serving
Cabbage
1 cup cooked (150g)
0.3 mg of iron per serving
Cantaloupe
1 cup cubed (160g)
0.3 mg of iron per serving
Carrots
1 cup chopped (128g)
0.4 mg of iron per serving
Cauliflower
1 cup cooked (124g)
0.4 mg of iron per serving
Cottage Cheese
1 cup (226g)
0.3 mg of iron per serving
Crab
3 oz (85g)
0.4 mg of iron per serving
Medjool Dates
2 dates (48g)
0.4 mg of iron per serving
Guava
1 cup (165g)
0.4 mg of iron per serving
Mango
1 cup sliced (165g)
0.3 mg of iron per serving
Mushrooms (UV-exposed)
1 cup sliced (70g)
0.4 mg of iron per serving
Papaya
1 cup cubed (145g)
0.4 mg of iron per serving
Prunes (Dried Plums)
¼ cup (44g)
0.4 mg of iron per serving
Rainbow Trout
3 oz fillet (85g)
0.3 mg of iron per serving
Watermelon
1 cup diced (152g)
0.4 mg of iron per serving
Zucchini
1 cup sliced (113g)
0.4 mg of iron per serving
Cheddar Cheese
1.5 oz (42g)
0.1 mg of iron per serving
Greek Yogurt
1 cup (245g)
0.1 mg of iron per serving
Kefir
1 cup (243g)
0.1 mg of iron per serving
Milk (whole)
1 cup (244ml)
0.1 mg of iron per serving
Mozzarella
1.5 oz (42g)
0.2 mg of iron per serving
Orange
1 medium (131g)
0.2 mg of iron per serving
Parmesan Cheese
1 oz (28g)
0.2 mg of iron per serving
Watercress
2 cups raw (68g)
0.1 mg of iron per serving
Budget Rankings: Iron
Foods ranked by cost per % Daily Value — cheapest sources first.
Lentils
37% DV · $1.5/week
White Beans
37% DV · $1.5/week
Chickpeas
26% DV · $1.5/week
Black Beans
20% DV · $1.5/week
Spinach
36% DV · $3/week
Beef Liver
31% DV · $3/week
Canned Pumpkin
19% DV · $2/week
Swiss Chard
22% DV · $2.5/week
Tofu (firm)
19% DV · $2.5/week
Potato
11% DV · $1.5/week
Lentils provides 37% DV for $1.5/week (~$6/month) — plus all its other nutrients.
Goals That Need Iron
Iron Synergies
Compare Top Iron Sources
Why Iron Matters
🫁 Oxygen Transport
Iron is the core component of hemoglobin. Without enough, red blood cells can't carry adequate oxygen, causing fatigue and shortness of breath.
⚡ Energy Production
Iron-containing enzymes in mitochondria drive ATP production, the energy currency of every cell.
🛡️ Immune Function
Iron supports lymphocyte proliferation and the ability of immune cells to kill pathogens.
Source: Nutrients, 2017
⚡ How to Maximize Iron Absorption
- •Pair non-heme (plant) iron with vitamin C-rich foods like bell peppers, citrus, or tomatoes to boost absorption by up to 300%.
- •Avoid drinking coffee, tea, or dairy within 1 hour of iron-rich meals — tannins and calcium significantly reduce absorption.
- •Cook in cast iron cookware — acidic foods like tomato sauce can leach absorbable iron from the pan into your food.
- •Heme iron (from meat) absorbs 2–3× better than non-heme iron. If vegetarian, focus on strategic pairing and avoid inhibitors.
- •Calcium supplements and iron supplements compete for absorption. Take them at different times of day.
⚠️ Iron Deficiency: Signs & Risk Factors
Who's at Risk?
Premenopausal women (due to menstrual blood loss), pregnant women, vegetarians/vegans, frequent blood donors, people with GI conditions (celiac, Crohn's, gastric bypass), and endurance athletes are at highest risk.
Symptoms to Watch For
Early signs include fatigue, weakness, pale skin, cold hands and feet. As deficiency progresses: brittle nails (koilonychia), restless leg syndrome, frequent infections, shortness of breath, and cravings for non-food items (pica) like ice or dirt.
Testing & Diagnosis
Serum ferritin is the best initial test — it measures iron stores. Levels below 30 ng/mL indicate depleted stores; below 12 ng/mL confirms deficiency. Hemoglobin and hematocrit drop later in more severe cases.
🚫 Common Iron Myths — Debunked
Myth: Spinach is the best iron source (thanks to Popeye).
Reality: Spinach contains iron but also oxalates that block 95% of absorption. Lentils, oysters, and beef are far more effective. The Popeye myth originated from a decimal point error in 1870s research.
Myth: If you're not anemic, your iron is fine.
Reality: Iron deficiency occurs in stages. You can have depleted iron stores (low ferritin) with normal hemoglobin — experiencing fatigue, brain fog, and poor exercise recovery without being technically anemic.
Myth: Cast iron cookware significantly boosts iron intake.
Reality: Cast iron does leach small amounts of iron into acidic foods, but the increase is modest (1–2 mg per serving). It's helpful but not a replacement for iron-rich foods.
📅 Sample Daily Menu to Hit Your Iron Target
Total: This menu provides approximately 100%+ of your daily iron needs from whole foods.
Iron-Boosting Lentil & Spinach Soup
This soup delivers over 12 mg of iron per bowl — two-thirds of your daily needs.
Ingredients
- 🫘 1 cup cooked lentils — 6.6 mg iron (37% DV)
- 🥬 2 cups raw spinach — 6.4 mg iron (36% DV)
- 🫑 ½ red bell pepper — vitamin C to boost absorption
- 🧅 ½ onion, diced
- 🧄 3 cloves garlic
Preparation
- Sauté onion and garlic in olive oil until fragrant.
- Add cooked lentils with broth and simmer 10 minutes.
- Stir in spinach until wilted.
- Add diced bell pepper raw at serving time to preserve vitamin C.
Pro tip: Vitamin C can increase non-heme iron absorption by up to 3× — always pair plant iron with citrus, peppers, or tomatoes.
Why Food Beats Iron Supplements
- ✓Better bioavailability — Food-form nutrients often absorb more efficiently than isolated supplement forms.
- ✓Nutrient synergy — Whole foods deliver co-factors, fiber, and phytonutrients that enhance iron absorption and utilization.
- ✓No overdose risk — Your body regulates absorption from food naturally. Supplement megadoses can cause side effects.
- ✓Lower cost — Whole foods typically cost less per unit of nutrition than pharmaceutical-grade supplements.
Common Questions About Iron
What is the difference between heme and non-heme iron?
Heme iron (from meat, fish, poultry) is absorbed at 15–35%. Non-heme iron (from plants and fortified foods) absorbs at 2–20% but can be boosted significantly by eating it with vitamin C.
What foods block iron absorption?
Coffee, tea (tannins), dairy (calcium), and whole grains (phytates) can inhibit iron absorption when eaten in the same meal. Space these out from iron-rich meals when possible.
How do I know if I'm iron deficient?
Symptoms include chronic fatigue, pale skin, brittle nails, cold hands/feet, and frequent infections. A simple blood test (serum ferritin) can diagnose deficiency.
Is it safe to get iron from food only?
For most people, a varied diet provides sufficient iron. Pregnant women, menstruating women, and athletes may have higher needs and should discuss supplementation with a doctor.
Scientific References
Explore More Nutrient Guides
Medical Disclaimer: This content is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always consult your physician or qualified healthcare provider before making dietary changes or if you have specific health concerns.