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The Global Insight

Does tea and coffee reduce iron absorption

Author

Ava White

Updated on March 24, 2026

Caffeinated drinks like coffee and tea have been shown to inhibit iron absorption. However, this is more likely due to their polyphenol contents, not caffeine itself. Caffeinated foods and drinks are not associated with iron deficiency in healthy people, as iron absorption is affected by many other dietary factors.

Does tea stop you absorbing iron?

Caffeinated drinks like coffee and tea have been shown to inhibit iron absorption. However, this is more likely due to their polyphenol contents, not caffeine itself. Caffeinated foods and drinks are not associated with iron deficiency in healthy people, as iron absorption is affected by many other dietary factors.

How long after iron can I drink tea?

Absorption of iron from the gut is reduced by food, tea and milk, so these should be avoided for one hour before and after taking the iron supplement.

Does coffee decrease iron absorption?

Caffeine has no effect on iron absorption so if someone is concerned about lack of iron there is no point in switching to decaf coffee. For healthy people, there is no issue with iron absorption. But for those who are iron deficient, probably best to skip having coffee or tea with a meal.

What stops iron being absorbed?

Substances that impair iron absorption: Calcium is found in foods such as milk, yogurt, cheese, sardines, canned salmon, tofu, broccoli, almonds, figs, turnip greens and rhubarb and is the only known substance to inhibit absorption of both non-heme and heme iron.

What tea does not inhibit iron absorption?

Green tea does not inhibit iron absorption.

What helps your body absorb iron?

You can enhance your body’s absorption of iron by drinking citrus juice or eating other foods rich in vitamin C at the same time that you eat high-iron foods. Vitamin C in citrus juices, like orange juice, helps your body to better absorb dietary iron. Vitamin C is also found in: Broccoli.

How long after coffee can I take iron?

When you take ferrous sulfate (or when you eat foods that are high in iron), make sure you leave a 2-hour gap before having tea or coffee or any of the foods on this list. This will help your body take in the iron.

Why is coffee bad for anemia?

Iron deficiency is the leading cause of anaemia and caffeine can indeed inhibit the absorption of iron. Red blood cells carry oxygen from the lungs to the rest of the body using haemoglobin, which binds oxygen in the cells.

Does caffeine affect ferritin levels?

In conclusion, we found that an increase in coffee intake was associated with a decrease in serum ferritin levels. Our results suggest that regular coffee consumption may be associated with iron deficiency anemia in Korean adults.

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Does ginger inhibit iron absorption?

Per cent rise in hematological and iron related parameters, was calculated which indicates that the ginger and iron supplementation was found to be effective in correcting anemia and iron deficiency. It was concluded that ginger assist in iron absorption and found to be beneficial as a supplement in therapy of anemia.

What foods are iron blockers?

  • tea and coffee.
  • milk and some dairy products.
  • foods that contain tannins, such as grapes, corn, and sorghum.
  • foods that contain phytates or phytic acid, such as brown rice and whole-grain wheat products.

Does turmeric reduce iron levels?

Turmeric is one of the BEST nutritional supplements shown by clinical research to reduce iron build-up in the body. Most significantly, turmeric can lower ferritin by chelating iron from the body.

What factors affect iron absorption?

Absorption enhancing factors are ascorbic acid and meat, fish and poultry; inhibiting factors are plant components in vegetables, tea and coffee (e.g., polyphenols, phytates), and calcium. After identifying these factors their individual impact on iron absorption is described.

How can I increase my iron levels overnight?

  1. meat, such as lamb, pork, chicken, and beef.
  2. beans, including soybeans.
  3. pumpkin and squash seeds.
  4. leafy greens, such as spinach.
  5. raisins and other dried fruit.
  6. tofu.
  7. eggs.
  8. seafood, such as clams, sardines, shrimp, and oysters.

What drinks are high in iron?

  • Floradix. Although not technically a beverage, Floradix is a liquid iron supplement that’s a good choice for people with low iron stores. …
  • Prune juice. …
  • Aviva Romm’s iron tonic. …
  • Green juice. …
  • Pea protein shakes. …
  • Cocoa and beef liver smoothie. …
  • Spinach, cashew, and raspberry smoothie.

Does tea have a lot of iron?

Some herbal teas contain high amounts of iron and other nutrients. Red raspberry leaf, dandelion, nettles and yellow dock all have high amounts of iron, according to the American Pregnancy Association.

Is tea bad for anemia?

Studies do show that tea interferes with iron absorption, which can aggravate anemia. Some chemicals in tea, called tannates, absorb the iron in your stomach and steal it before your body has a chance to absorb it.

Can I drink coffee while taking iron?

Iron supplements are best absorbed when taken with water or fruit juice on an empty stomach. Avoid having foods and drinks like eggs, tea, coffee, and chocolate with your iron supplement as they will hinder iron absorption.

How long does it take to get iron levels up?

Even though you feel better, you will need to keep taking the pills for several months to build up your iron stores. Sometimes it takes up to 6 months of treatment with iron supplements before iron levels return to normal.

Can I drink green tea while taking iron supplements?

“If you drink green tea after an iron-rich meal, the main compound in the tea will bind to the iron,” said Matam Vijay-Kumar, assistant professor of nutritional sciences, Penn State. “When that occurs, the green tea loses its potential as an antioxidant.

What can worsen anemia?

A history of certain infections, blood diseases and autoimmune disorders increases your risk of anemia. Alcoholism, exposure to toxic chemicals and the use of some medications can affect red blood cell production and lead to anemia. Age. People over age 65 are at increased risk of anemia.

Is Avocado full of iron?

Additionally, avocados are high in magnesium, phosphorus, iron and potassium, containing even more potassium per gram than bananas, according to the New York University Langone Medical Center. Fresh avocados contain lycopene and beta-carotene, which are important carotenoid antioxidants.

Do eggs reduce iron absorption?

Eggs contain phosphoprotein, a compound with iron-binding capacity that can impair iron absorption. Some studies have shown that one hardboiled egg can reduce the absorption of iron in a meal by as much as 28%. To maximize iron absorption, consider having your egg as a standalone snack.

How can I lower my iron levels naturally?

  1. avoiding supplements that contain iron.
  2. avoiding supplements that contain vitamin C, as this vitamin increases iron absorption.
  3. reducing iron-rich and iron-fortified foods.
  4. avoiding uncooked fish and shellfish.
  5. limiting alcohol intake, as this can damage the liver.

Does green tea chelate iron?

Green tea (GT) (Camellia sinensis) catechins exhibit anti-oxidation, the inhibition of carcinogenesis, the detoxification of CYP2E1-catalyzed HepG2 cells and iron chelation.

How do I get my ferritin levels down?

A complementary strategy that may help lower ferritin levels in people with hemochromatosis is following a diet lower in iron but high enough in nutritious foods. Fiber, green tea, and coffee might also lower iron absorption in people with iron overload.