Top 10 High Iron Foods for Vegetarians and Vegans

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Evidence Based. References sourced from PubMed.
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Top 10 High Iron Foods for Vegetarians and Vegans

Iron is an essential nutrient primarily needed for the transport of oxygen throughout the body. A deficiency of iron leads to weakness and anemia, commonly called iron deficiency anemia. Symptoms of iron deficiency anemia may take time to develop and include fatigue, weakness, anxiety, heart palpitations, dizziness, and irritability. (1,2) Iron deficiency anemia is difficult to diagnose and requires a blood test. (1,2)

Iron is more bio-available from heme (meat) sources than from non-heme (plant sources), so vegans and vegetarians are often concerned about their iron status and intake. (3) The daily value (DV) seen on most food labels also takes vegetarians into account and is set at 18mg per day. (4) This amount of iron is a good goal for almost all individuals, except pregnant women, who should consume 27mg per day.

The good news is that the less iron you have the more your body will absorb, boosting the bioavailability of iron from all sources. (3) Vitamin C found in plant foods also boosts iron absorption. (4,5) The bad news is that nutrients like polyphenols in plant foods can block iron absorption. (6) For information, see the section on iron absorption.

Vegetarian and vegan sources of iron include beans, lentils, tofu, dark leafy greens, dark chocolate, whole grains, mushrooms, seeds, nuts, pumpkin, squash, and salad greens. Eating a wide variety of these foods should ensure you get the 18mg daily value for iron.

Below are the top 10 vegetarian and vegan iron food sources ranked by common serving size. For more, see the extended list of less common iron foods and the article on fruits and vegetables high in iron.

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A printable one-page list of vegetarian and vegan iron foods.

More Iron Rich Foods for Vegetarians

FoodServingIron
1. Fortified Cereals per 3/4 cup 109% DV
(20mg)
2. Artichokes 1 cup 28% DV
(5mg)
3. Hearts of Palm 1 cup 25% DV
(5mg)
4. Soy Protein Isolate 1oz 23% DV
(4mg)
5. Dried Thyme 1 tblsp 19% DV
(3mg)
6. Jute (Molokhiya) 1 cup 15% DV
(3mg)
7. Green Peas 1 cup 14% DV
(2mg)
8. Pumpkin Leaves 1 cup 13% DV
(2mg)
9. Tempeh 100 grams 12% DV
(2mg)
10. Spirulina (Dried Seaweed) 1 tblsp 11% DV
(2mg)
11. Dried Goji Berries 5 tbsp 11% DV
(2mg)
12. Tofu 1/5 Block 10% DV
(2mg)
13. Whole Wheat Bread 1 slice 6% DV
(1mg)
14. Molasses 1 tbsp 5% DV
(1mg)
15. Sorghum Syrup 1 tbsp 4% DV
(1mg)

How much Iron Do You Need Each Day?

The recommended daily allowance (RDA) for iron ranges from 7mg to 27mg per day. The daily value for iron is 18mg per day. (4)

Life StageRDA
Infants
0-6 months old0.27mg*
7-12 months old11mg
Children
1-3 years old7mg
4-8 years old10mg
Males
9-13 years old8mg
14-18 years old11mg
19-50 years old8mg
50+ years old8mg
Females
9-13 years old8mg
14-18 years old15mg
19-50 years old18mg
50+ years old8mg
Pregnancy
14-18 years old27mg
18+ years old27mg
Lactation
14-18 years old10mg
18+ years old9mg
*The amounts for children less than 6 months old is the adequate intake (AI) not RDA.
Source: Dietary Reference Intakes for Iron.

Factors which Affect Iron Absorption and Retention

  • The most important factor is your existing iron level. A low iron level will increase absorption, while a high iron level will decrease absorption. In general, you absorb 2% to 20% of the iron from foods. (8)
  • Meat proteins will increase the absorption of non-heme iron. (8)
  • Vitamin C will increase the absorption of non-heme iron by as much as 85%. (5,6)
  • Tannins, oxalates, polyphenols, and phytates found in tea and coffee can reduce the absorption of non-heme iron by up to 65%. Black tea reduces absorption more than green tea and coffee. (9,10)
  • The following teas and beverages also inhibit iron absorption: Peppermint tea, cocoa, vervain, lime flower, chamomile, and most other herbal teas containing polyphenols. (10)

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Data Sources and References

  1. Crider K, Williams J, Qi YP, Gutman J, Yeung L, Mai C, Finkelstain J, Mehta S, Pons-Duran C, Menéndez C, Moraleda C, Rogers L, Daniels K, Green P. Iron Deficiency Anemia: An Updated Review Cochrane Database Syst Rev. 2022 Feb 1;2(2022):CD014217. doi: 10.1002/14651858.CD014217. 36321557
  2. Crider K, Williams J, Qi YP, Gutman J, Yeung L, Mai C, Finkelstain J, Mehta S, Pons-Duran C, Menéndez C, Moraleda C, Rogers L, Daniels K, Green P. Anemia Screening Cochrane Database Syst Rev. 2022 Feb 1;2(2022):CD014217. doi: 10.1002/14651858.CD014217. 36321557
  3. Morris ER. Iron nutrition and absorption: dietary factors which impact iron bioavailability Fed Proc. 1983 Apr;42(6):1716-20. 6299808
  4. U.S.FDA - Daily Value on the New Nutrition and Supplement Facts Labels
  5. Hurrell RF, Reddy M, Cook JD. Effect of different drinks on the absorption of non-heme iron from composite meals Br J Nutr. 1999 Apr;81(4):289-95. 10999016
  6. Monsen ER. The role of vitamin C in iron absorption J Am Diet Assoc. 1988 Jul;88(7):786-90. 3290310
  7. Hurrell RF, Reddy M, Cook JD. Iron absorption and phenolic compounds: importance of different phenolic structures Br J Nutr. 1999 Apr;81(4):289-95. 10999016
  8. Morris ER. Iron nutrition and absorption: dietary factors which impact iron bioavailability Fed Proc. 1983 Apr;42(6):1716-20. 6299808
  9. Hurrell RF, Reddy M, Cook JD. Effect of different drinks on the absorption of non-heme iron from composite meals Br J Nutr. 1999 Apr;81(4):289-95. 10999016
  10. Brune M, Rossander L, Hallberg L. Inhibition of non-haem iron absorption in man by polyphenolic-containing beverages Eur J Clin Nutr. 1989 Aug;43(8):547-57. 2598894
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