Understanding Iron Tablets: Names, Types, and Uses
Iron tablets are a common form of oral supplementation used to treat and prevent iron deficiency anemia. They are available in various forms, each with its unique composition and benefits. This article aims to provide a comprehensive overview of iron tablets, focusing on their names, types, and uses.
Common Iron Tablets Names and Their Forms
Iron supplements are typically named after the type of iron they contain. Here are some of the most common iron tablets names and their forms:
- Ferrous Sulfate: This is one of the most common types of iron tablets. It contains 325 mg of elemental iron per tablet.
- Ferrous Fumarate: This form of iron tablet contains 100 mg of elemental iron per tablet. It is often preferred due to its lower incidence of side effects compared to ferrous sulfate.
- Ferrous Gluconate: This type of iron tablet contains 120 mg of elemental iron per tablet. It is less likely to cause constipation compared to other forms of iron.
- Iron Polymaltose: This is a form of iron supplement that is often used for people who have difficulty absorbing iron from other forms. It contains 15 mg of elemental iron per tablet.
Understanding Iron Tablets: Types and Their Uses
Iron tablets can be categorized into two main types based on their composition: ferrous and non-ferrous. Each type has its unique uses and benefits.

Ferrous Iron Tablets
Ferrous iron tablets are the most common type of iron supplement. They are typically used to treat and prevent iron deficiency anemia. They are also used to increase the body's iron stores in people who are at risk of developing iron deficiency, such as pregnant women and vegetarians.
| Type of Ferrous Iron Tablet | Usual Dose |
|---|---|
| Ferrous Sulfate | 325 mg once or twice daily |
| Ferrous Fumarate | 100 mg once or twice daily |
| Ferrous Gluconate | 120 mg once or twice daily |
Non-Ferrous Iron Tablets
Non-ferrous iron tablets, such as iron polymaltose, are often used in people who have difficulty absorbing iron from other forms. They are also used in people who experience side effects from ferrous iron tablets, such as stomach upset or constipation.
Iron Tablets and Side Effects: What You Need to Know
While iron tablets are effective in treating and preventing iron deficiency anemia, they can cause side effects in some people. The most common side effects of iron tablets include:

- Stomach upset
- Constipation
- Diarrhea
- Nausea
- Abdominal pain
These side effects are typically mild and temporary. However, if they are severe or persistent, it is important to speak with a healthcare provider.
Tips for Taking Iron Tablets
To maximize the benefits of iron tablets and minimize the risk of side effects, it is important to take them correctly. Here are some tips for taking iron tablets:
- Take iron tablets with food to minimize stomach upset.
- Take iron tablets with a source of vitamin C, such as orange juice, to enhance iron absorption.
- Take iron tablets at least two hours before or after taking other medications to avoid interactions.
- Do not take iron tablets if you have a history of iron overload or hemochromatosis.
- Do not take iron tablets if you are pregnant unless recommended by a healthcare provider.
It is always a good idea to speak with a healthcare provider before starting iron tablets to ensure they are the right choice for you.