Iron Rich Foods to Add to Your Diet
Iron is one of the most abundant elements on Earth, yet it is the most common nutrient deficiency worldwide.[1]
About 70 percent of the iron absorbed from your food is used to build oxygen-binding proteins called hemoglobin. It plays a critical role in transporting oxygen around your body, while the remaining iron is used in enzymes or stored in ferritin to provide a buffer when your intake is low.[2]
If you regularly feel tired, weak, and irritable, or exercise and mental focus become harder than usual, you may be experiencing symptoms of iron deficiency anemia — where the hemoglobin in your red blood cells becomes too low to transport oxygen throughout your bloodstream.[3] People who follow a vegetarian or vegan diet need to be particularly watchful about their iron levels.
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How much iron do you need?
Iron comes in the form of heme iron from animal sources and non-heme iron from plant sources. The recommended iron intake for people who eat a vegetarian or vegan diet is higher than for people who eat meat. This is because non-heme iron is not absorbed by the body as well as heme iron. It is recommended that vegetarians and vegans aim to meet a daily iron intake of.[4]
Age (years) | Men | Women |
14 to 18 | 20 mg | 27 mg |
19 to 49 | 14 mg | 33 mg |
50 and above | 14 mg | 14 mg |
Pregnancy | N/A | 49 mg |
Although there is no specific recommendation for children who follow a vegetarian diet, the general recommended iron intake for children is.[3]
Age (years) | Boys | Girls |
1 to 3 | 7 mg | 7 mg |
4 to 8 | 10 mg | 10 mg |
9 to 13 | 8 mg | 8 mg |
Iron-rich plant foods
Even though heme iron is better absorbed into the body than non-heme iron, you can still fulfill your iron requirements following a vegetarian or vegan diet.
Many plant foods contain iron. Eating a wide variety of these can help you maintain healthy iron levels. Combining plant sources of iron with vitamin C rich foods in the same meal will also enhance your absorption of non-heme iron.[5] Here’s how much iron some delicious vegan-friendly ingredients can add to your meals and snacks.[1,6]
Beans and lentils
- Dried soybeans, cooked: 5 mg per ¾ cup
- Green soybeans, cooked: 4 mg per ½ cup
- Lentils, cooked: 9 mg per ¾ cup
- Red kidney beans, cooked: 9 mg per ¾ cup
- Refried beans, canned: 7 mg per ¾ cup
- Chickpeas, canned: 2 mg per ¾ cup
- Lima beans: 2 mg per ½ cup
Nuts and seeds
- Pumpkin seeds, roasted: 7 mg per ¼ cup
- Sesame seed butter (tahini): 3 mg per 2 tbsp.
- Sunflower seeds, dry roasted: 2 mg per ¼ cup
Vegetables
- Spinach, cooked: 4 mg per ½ cup
- Spinach, raw: 9 mg per 1 cup
- Swiss chard, cooked: 1 mg per ½ cup
- Beet greens, cooked: 5 mg per ½ cup
- Green peas, cooked: 3 mg per ½ cup
- Potato, baked: 9 mg per 1
- Seaweed, dried: 7 mg per ½ cup
- Beets, boiled: 7 mg per ½ cup
Cereals and breads (cooked)
- Enriched cold cereal: 5 mg per 30 g
- Enriched hot cereal: 4 mg per ¾ cup
- Quinoa: 5 mg per ½ cup
- Oats: 3 mg per ¾ cup
- Pearled barley: 1 mg per ½ cup
- Bagel: 9 mg per ½
- Whole wheat bread: 9 mg per slice
- Whole wheat pasta: 8 mg per ½ cup
Other
- Tofu, medium or firm: 4 mg per ¾ cup
- Hummus: 2 mg per ¼ cup
- Sauerkraut: 1 mg per ½ cup
- Fortified soy beverages: 1 mg per 1 cup
Tips for boosting iron levels
With the right food choices throughout the day, you can enjoy the enormous health benefits of a plant-based diet while also boosting your iron levels. In addition to eating plenty of iron rich foods, you can help increase your iron intake and absorption by:
- Cooking with a cast iron skillet or pan
- Avoiding caffeinated or tannin containing beverages that hinder absorption, such as wine, black tea, herbal tea, or coffee, within one hour of your meal
- Eating dairy products and calcium supplements separately from iron-rich foods
If you are having trouble maintaining adequate iron levels through diet alone or you are recovering from iron deficiency, supplementation is a helpful option that you should discuss with your health care practitioner.
References:
(1) World Health Organization. Iron deficiency anaemia [Internet]. Who.int [cited 24 July 2020] Available from: https://www.who.int/nutrition/topics/ida/en/
(2) Gupta CP. Role of iron (Fe) in body. IOSR Journal of Applied Chemistry. 2014; 7(11):38-46.
(3) Lopez A, Cacoub P, Macdougall LC, et al. Iron deficiency anaemia. The Lancet. 2016; 387(10021):907-16.
(4) HealthLinkBC. Iron and your health [Internet]. Healthlinkbc.ca 2020 [cited 24 July 2020]. Available from: https://www.healthlinkbc.ca/healthlinkbc-files/iron-health
(5) Government of Canada. Iron [Internet]. Canada.ca 2019 [cited 24 July 2020]. Available from: https://www.canada.ca/en/health-canada/services/nutrients/iron.html
(6) HealthLinkBC. Iron in foods [Internet]. Healthlinkbc.ca 2020 [cited 24 July 2020]. Available from: https://www.healthlinkbc.ca/healthlinkbc-files/iron-foods
(7) Alves C, Saleh A, Alaofè H. Iron-containing cookware for the reduction of iron deficiency anemia among children and females of reproductive age in low- and middle-income countries: A systematic review. PLoS ONE; 14(9): e0221094.