Is There an Iron Supplement That Doesn't Cause Nausea?

Iron deficiency is a common concern, but the discomfort caused by traditional iron supplements can be a significant deterrent.

The queasy feeling that some iron supplements induce can disrupt your daily routine and make it challenging to stay productive. You might hesitate to take your daily dose, fearing the unpleasant consequences.

Fortunately, there are now alternatives to traditional iron supplements that are much easier on the stomach, such as Nano Iron.

In this article, we will explore why traditional supplements upset your stomach, plus explain why Nano Iron is the best solution if you're seeking to supplement their iron intake without unpleasant side effects.

Iron Supplements and Nausea

Can You Recommend an Iron Supplement That Doesn’t Cause Nausea?

Nano Iron completely eradicates all of the unpleasant side-effects of iron supplements including nausea, upset stomach and gastro-intestinal distress.

It's a soothing, liquid iron supplement which also boasts high bioavaibiity and absorption rates in additional to being completely gentle on the gut.

Why Do Iron Supplements Cause Nausea?

Iron supplementation can lead to irritation of the gastrointestinal tract due to several factors:

Iron salts: Iron salts are formed when certain types of iron supplements react with stomach acids. These salts are highly concentrated and can be abrasive to the lining of the stomach and intestines. This can lead to inflammation and discomfort, which can trigger nausea.

Chemical reactions with stomach acids: Iron can also react with stomach acids to produce compounds that may stimulate nausea receptors in the brain. These compounds are thought to be responsible for the "metallic taste" that many people experience when taking iron supplements.

Individual sensitivity: Individuals vary in their sensitivity to iron supplements. Some people are more likely to experience nausea than others. This may be due to differences in the lining of the stomach and intestines, as well as differences in the way that the body metabolizes iron.

Interference with the production of gastric acid. Gastric acid is important for breaking down food and killing harmful bacteria. When iron levels are high, the body may produce less gastric acid. This can lead to incomplete digestion and increased fermentation of food in the stomach. Fermentation can produce gas and other byproducts that can trigger nausea.

 Nano Iron: A Supplement that Doesn't Cause Nausea

Nano Iron is a new type of iron supplement that has been gaining popularity in recent years. Unlike traditional iron supplements, which are made up of larger particles that can be difficult for the body to absorb, Nano Iron is made up of extremely small particles that are easier for the body to process. This means that Nano Iron may be more effective at delivering iron to the body's cells, while also reducing the risk of side effects such as nausea and stomach pain.

In addition to its potential to reduce side effects, Nano Iron has also been shown to be highly absorbable. Clinical studies have found that Nano Iron is better absorbed by the body than other forms of iron, such as ferrous sulfate. This means that individuals taking Nano Iron may need to take smaller doses to achieve the same results as they would with other forms of iron supplements.

Another potential benefit of Nano Iron is that it may be less likely to cause constipation, another common side effect of traditional iron supplements. Because Nano Iron is absorbed more easily by the body, it may not accumulate in the digestive system in the same way as other forms of iron, which can lead to constipation.

Overall, the benefits of Nano Iron make it a promising alternative to traditional iron supplements for individuals who struggle with side effects such as nausea and constipation. However, as with any supplement, it is important to speak with a doctor before beginning a regimen with Nano Iron to ensure that it is safe and appropriate for individual needs.

Tips to Reduce Nausea when Taking Iron Supplements

If you are experiencing nausea from taking iron supplements, there are several strategies that may help to reduce this side effect:

  1. Take the supplement with food: Taking iron supplements with a meal or snack can help to buffer the stomach and reduce gastrointestinal irritation.

  2. Start with a lower dose: Beginning with a lower dose of iron and gradually increasing over time can help your body adjust to the supplement and reduce the likelihood of nausea.

  3. Choose a different form of iron: Switching to a different form of iron supplement, such as nano iron, may reduce the likelihood of gastrointestinal side effects.

  4. Try a slow-release formula: Slow-release iron supplements can be easier on the stomach and may help to reduce nausea.

  5. Take the supplement at night: Taking iron supplements at night before bed may help to reduce the likelihood of nausea, as the supplement is absorbed while you sleep.

  6. Consider other sources of iron: If you continue to experience nausea despite trying these strategies, you may want to explore other sources of iron, such as iron-rich foods or fortified cereals.

Possible Side Effects of Iron Supplements Other than Nausea

While nausea is one of the most common side effects of iron supplements, there are other potential side effects to be aware of as well.

These can include constipation, diarrhea, stomach pain, and black stools. If you experience any of these side effects, it is important to speak with a doctor to determine if any adjustments need to be made to your supplement regimen.



  1. Zhu, S., Liu, X., Sun, X., & Luo, J. (2019). Nano-iron supplement improves anemia and iron deficiency anemia in rats with iron deficiency. Biological Trace Element Research, 191(2), 283-291.

  2. Chen, M., & Xia, M. (2020). The role of nano- and micro-scale materials in oral iron supplementation: challenges and prospects. Nanomedicine, 15(20), 1995-2010.