Most people can raise their iron intake through food, and the fastest way to do it is to eat more beans, lentils, tofu, dark leafy greens and fortified grains, then put something rich in vitamin C on the same plate. The pairing matters nearly as much as the food itself, because iron from plants is absorbed at roughly 5% to 12% on a vegetarian diet compared with 14% to 18% on a mixed diet that includes meat and vitamin C.
Food is the right starting point for most people. It is not the right answer for everyone, and the second half of this page covers when to stop reading and call a doctor instead.
Why iron is suddenly everywhere
The New York Times ran a piece by Sabrina Malhi on September 7, 2026 about what social media has taken to calling ferritin face, the tired and sallow look with dark circles that influencers treat as a visible sign of low iron. The reporting made two points worth carrying forward. Iron deficiency affects almost one in three American adults and falls disproportionately on women. And it is routinely missed, because the standard screening test measures hemoglobin rather than ferritin, and hemoglobin does not drop until iron stores are already well depleted.
That gap between how common the problem is and how often it goes unnoticed is why the food question is worth answering properly rather than in a listicle.
How much iron do you actually need?
The Recommended Dietary Allowance depends on age, sex and life stage, and the spread is wide. A menstruating adult woman needs more than twice what an adult man needs.
| Age | Male | Female | Pregnancy | Lactation |
|---|---|---|---|---|
| 1 to 3 years | 7 mg | 7 mg | ||
| 4 to 8 years | 10 mg | 10 mg | ||
| 9 to 13 years | 8 mg | 8 mg | ||
| 14 to 18 years | 11 mg | 15 mg | 27 mg | 10 mg |
| 19 to 50 years | 8 mg | 18 mg | 27 mg | 9 mg |
| 51+ years | 8 mg | 8 mg |
Source: National Institutes of Health, Office of Dietary Supplements. The Daily Value used on nutrition labels is 18 mg, which is why a food listing 30% DV is supplying about 5 mg.
One number changes everything if you do not eat meat. The iron requirement for people on a vegetarian diet is 1.8 times higher, because plant iron is absorbed less efficiently. For a woman aged 19 to 50 that moves the target from 18 mg to roughly 32 mg a day.
There are two kinds of iron, and the difference is the whole story
Heme iron comes only from meat, seafood and poultry. Non-heme iron comes from plants and from fortified foods, and it is also present in meat alongside the heme form. Heme iron is absorbed more readily and is much less affected by whatever else is on the plate.
| Heme iron | Non-heme iron | |
|---|---|---|
| Found in | Meat, seafood, poultry | Plants, fortified grains, and meat |
| Share of intake in Western diets | About 10% to 15% | The large majority |
| Affected by other foods | Very little | Substantially |
| Overall absorption | 14% to 18% from mixed diets | 5% to 12% from vegetarian diets |
This is why the amount printed on a label is only half the picture. Two foods listing 3 mg of iron can deliver very different amounts to your bloodstream depending on their form and their company.
The best food sources of iron
These figures come from USDA FoodData Central as compiled by the NIH Office of Dietary Supplements, with percentages against the 18 mg Daily Value.
| Food | Iron | % DV | Type |
|---|---|---|---|
| Fortified breakfast cereal, 1 serving | 18 mg | 100% | Non-heme |
| White beans, canned, 1 cup | 8 mg | 44% | Non-heme |
| Oysters, cooked, 3 oz | 8 mg | 44% | Heme |
| Beef liver, pan fried, 3 oz | 5 mg | 28% | Heme |
| Lentils, boiled, 1/2 cup | 3 mg | 17% | Non-heme |
| Spinach, boiled, 1/2 cup | 3 mg | 17% | Non-heme |
| Tofu, firm, 1/2 cup | 3 mg | 17% | Non-heme |
| Dark chocolate, 45% to 69% cacao, 1 oz | 2 mg | 11% | Non-heme |
| Kidney beans, canned, 1/2 cup | 2 mg | 11% | Non-heme |
| Chickpeas, boiled, 1/2 cup | 2 mg | 11% | Non-heme |
| Canned stewed tomatoes, 1/2 cup | 2 mg | 11% | Non-heme |
| Baked potato with skin, 1 medium | 2 mg | 11% | Non-heme |
| Cashews, oil roasted, 1 oz | 2 mg | 11% | Non-heme |
| Green peas, boiled, 1/2 cup | 1 mg | 6% | Non-heme |
| Broccoli, boiled, 1/2 cup | 1 mg | 6% | Non-heme |
| Milk, 1 cup | 0 mg | 0% | None |
Two things stand out. Beans and lentils are the quiet workhorses of a plant-based iron diet, outperforming most greens per serving. And dairy contributes nothing, which matters because calcium can also reduce absorption of iron you eat alongside it.
What actually increases absorption
Vitamin C is the best established enhancer of non-heme iron absorption, and meat, poultry and seafood also improve it. Working against you are phytate, found in grains and beans, certain polyphenols in cereals and legumes, and calcium, which is unusual in that it can reduce absorption of both forms of iron.
One honest caveat that most articles on this subject leave out. The NIH notes that in a typical Western diet the effects of these enhancers and inhibitors are attenuated, so for most people they have little effect on overall iron status. Pairing is worth doing, particularly for vegetarians and anyone whose intake is already marginal, but it is a lever, not a cure.
The mechanics of that pairing, including what to eat together and what to keep apart, are covered in why vitamin C helps you absorb iron from plants.
When food is not the answer
Diet only fixes a deficiency caused by inadequate intake. If the cause is blood loss, impaired absorption from a condition such as celiac disease or inflammatory bowel disease, an H. pylori infection, past bariatric surgery, or chronic inflammation, then eating more lentils will not close the gap.
The practical advice from the reporting is worth repeating. Fatigue, hair loss, headaches, shortness of breath and dizziness are all nonspecific and could be many things, so they are a reason to ask for a full iron panel rather than to self-diagnose. And do not start an iron supplement on a hunch. Taking iron you do not need can cause iron overload, which produces its own fatigue, and in people with hemochromatosis it can do lasting damage over time. Iron is a nutrient where more is not better.
Where a vegetable pouch fits
SaladPower is an excellent source of iron by the FDA definition, at 5 mg per 8 oz pouch, which is 30% of the Daily Value. That iron is non-heme, since it comes from spinach, kale, carrot, broccoli, apple and lemon. What makes the pouch a useful example of the principle on this page is that the lemon brings 16 mg of vitamin C, 20% of the Daily Value, so the enhancer and the iron arrive together rather than needing to be planned.
It is one contribution against a Daily Value of 18 mg, not a solution to a diagnosed deficiency, and it is not a substitute for a blood test. See is SaladPower good for energy for the fuller answer on iron and energy, and is SaladPower good for vegans if you are working against the higher vegetarian requirement.
Frequently asked questions
How much iron do I need a day? Adult men need 8 mg and women aged 19 to 50 need 18 mg. Pregnancy raises it to 27 mg, and after age 50 it drops to 8 mg for everyone. People on vegetarian diets need 1.8 times these amounts.
Can you get enough iron without eating meat? Yes, but it takes more deliberate effort. Because plant iron absorbs at roughly 5% to 12% rather than 14% to 18%, the requirement is 1.8 times higher. Beans, lentils, tofu and fortified grains do most of the work, and pairing them with vitamin C helps.
What foods block iron absorption? Phytate in grains and beans, certain polyphenols in cereals and legumes, and calcium. Calcium is the unusual one because it can reduce absorption of both plant and animal iron. In a typical Western diet these effects are modest for most people.
Does spinach have a lot of iron? Half a cup of boiled spinach has 3 mg, which is 17% of the Daily Value, so the number is real. The catch is that spinach also contains polyphenols that limit how much of that iron the body can take up, so it performs worse than the label suggests.
Should I take an iron supplement? Not without a blood test. Iron overload causes fatigue of its own, and for people with hemochromatosis supplements can cause serious harm to the liver, heart and pancreas over time. Ask for a full iron panel first.
Sources
- National Institutes of Health, Office of Dietary Supplements. Iron Fact Sheet for Health Professionals. Recommended Dietary Allowances (Table 1), iron content of selected foods (Table 2), bioavailability figures, and enhancers and inhibitors of absorption. Accessed September 7, 2026. https://ods.od.nih.gov/factsheets/Iron-HealthProfessional/
- U.S. Department of Agriculture, Agricultural Research Service. FoodData Central. Source of the per serving iron values compiled in Table 2 of the NIH fact sheet. https://fdc.nal.usda.gov/
- Institute of Medicine, Food and Nutrition Board. Dietary Reference Intakes for Vitamin A, Vitamin K, Arsenic, Boron, Chromium, Copper, Iodine, Iron, Manganese, Molybdenum, Nickel, Silicon, Vanadium, and Zinc. Washington, DC: National Academy Press; 2001. Origin of the RDAs and of the 1.8 times vegetarian adjustment.
- Malhi, Sabrina. Does Ferritin Face Mean You Have an Iron Deficiency? Here Is How to Tell. The New York Times, September 7, 2026. Source of the prevalence and screening points described above. https://www.nytimes.com/2026/09/07/well/iron-deficiency-ferritin-face.html
- SaladPower Nutrition Facts. Per 8 oz pouch: iron 5 mg (30% DV), vitamin C 16 mg (20% DV), six whole organic ingredients, USDA Certified Organic. Accessed September 7, 2026. https://www.saladpower.com/products/saladpower
This article is general information, not medical advice. Suspected iron deficiency should be evaluated by a healthcare provider.
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