Ferrous Sulfate Iron - 120 Tablets
Feosol® Original
Feosol® Original
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Ingredients
Ingredients
Amount Per Tablet:
Iron (as Ferrous Sulfate) 65 mg (361% Daily Value)
Other Ingredients:
Lactose, Sorbitol, Hypromellose Crospovidone, Polydextrose, Magnesium Stearate, FD&C blue #1, FD&C yellow #6, Triacetin, Polyethylene Glycol, Titanium Dioxide, Carnuba Wax.
Contains: milk
Recommended Use
Recommended Use
One tablet daily or as directed by a physician. Children under 12 years old should consult a physician. Do not exceed recommended dosage.
Warnings: Iron may interfere with absorption of certain antibiotics; these products should not be taken within two hours of each other. Occasional gastrointestinal discomfort (such as nausea) may be minimized by taking iron with meals. Iron containing products may occasionally cause constipation or diarrhea. If pregnant or nursing, consult a physician before using this product.
Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6. Keep this product out of reach of children. In case of accidental overdose, call a doctor or poison control center immediately.
Allergen Information
Allergen Information
Sourced from high-quality ingredients, this gluten free, 65 mg iron supplement has no artificial flavors.
Contains: Milk
Product Information
Product Information
Feosol® Original Iron Supplement - The Feosol® brand is recommended iron supplement by pharmacists and a trusted leader and innovator of iron supplements for over 70 years. High potency Feosol® Original uses ferrous sulphate, a time tested form of iron. Each Feosol® Original small, coated iron tablet contains 65 mg (325 mg Ferrous Sulfate) which provides 361% of Daily Value. Our tablets are for those with an iron deficiency and are vital for red blood cell formation. Our Feosol® Original formula is available in a 120 tablet bottle which is a 4 month supply. Made in the USA.







Feosol® Original Helps Boost Energy & Support a Healthy Immune System*
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Gluten-Free
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No Artifical Flavors
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Made in USA
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For more than 70 years, Feosol® has been a trusted leader and innovator in iron supplementation, providing high-quality, high-potency formulas to support healthy iron levels. Backed by decades of expertise and recommended by doctors and pharmacists, Feosol® is the name you can rely on for effective iron support. Feosol®—The Iron Experts.
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Taking your iron supplement with acidic foods, like orange juice, can increase iron absorption. Each Feosol® Original tablet contains 65 mg of elemental iron, equivalent to 325 mg of ferrous sulfate, which provides 361% of Daily Value, making it a high potency iron supplement.
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During pregnancy, a woman’s body requires significantly more iron to support the increased production of red blood cells, which deliver oxygen to both mother and baby. Iron is essential for preventing iron-deficiency anemia, a common condition that can lead to fatigue, dizziness, and low energy. Since many women struggle to get enough iron through diet alone, taking a high-quality iron supplement can help support red blood cell production and a healthy immune system, giving you the strength to thrive every day.*
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Feosol® Original is a non-heme iron supplement, perfect for vegetarians, and it is gluten-free, contains no artificial flavors, and is Made in the USA.

A Classic Iron at a Great Value
Feosol® Original FAQs
What is the type of iron in Feosol® Original?
The type of iron in Feosol® Original iron tablets is a form of iron called ferrous sulfate. Ferrous sulfate is a non-heme iron which means it is not sourced from an animal or protein. Ferrous sulfate is a traditional form of iron that has been recommended by doctors for decades, making it the most widely used source of iron.
Feosol® has been a leader in iron supplements for more than 70 years, and Feosol® Original has been a leading choice among iron supplements for its ease-of-use and value.
How much elemental iron does Feosol® Original contain?
Each tablet of Feosol® Original with ferrous sulfate contains 65 mg of elemental iron.
Elemental iron is simply the amount of iron available for absorption by your body. Not all irons are 100% absorbable. For example, ferrous sulfate is an iron salt, and it is 20% elemental iron. That means only 20% of the iron present is available for absorption. Though that may not seem like very much, rest assured each Feosol® tablet delivers 361% of the recommended daily value for iron!
Too much math? Don’t worry. Just follow the dosage instructions on the package unless your doctor gives you other instructions.
What are the most common side effects of taking ferrous sulfate iron?
Feosol® Original contains a form of iron called ferrous sulfate which may produce side effects such as constipation, diarrhea, stomach cramps or upset stomach. One more iron side effect is dark or black stool. Do not be alarmed if taking iron causes your stools to turn black; this is a typical side effect due to unabsorbed iron in the intestines.
If you are experiencing any of these effects and they persist or worsen, contact your doctor or pharmacist. In some cases, people may experience local throat pain and heartburn due to possible contact irritation from the iron.
In addition to Feosol® Original with ferrous sulfate, Feosol® offers a gentler iron option: Feosol® Complete, a dual-iron formula that maximizes iron absorption while minimizing side effects.
I have trouble swallowing pills. Can I crush Feosol® Original iron tablets for easier swallowing?
Yes, if you have problems swallowing pills and vitamins, you may crush Feosol® tablets for easy swallowing. There is no functional coating on the tablets, therefore it does not enhance or impede the absorption of the iron tablet when you crush it.
Is the iron in Feosol® Original a heme iron or non-heme iron?
The iron in Feosol® Original is ferrous sulfate, a non-heme iron. There are two different forms of dietary iron: heme iron and non-heme iron.
Heme is a natural form of iron derived from animal sources, like the kind of iron you would find in steak, poultry or pork. Non-heme iron can be an iron salt or plant-derived, like the iron in spinach.
Has the Feosol Original formula changed with the new look?
Reviews
- Reviews
- Questions
Feosol
So far, so good.

FD&C Blue #1 and FD&C Yellow #6
Why is this product black? Because it has FD&C Blue #1 and FD&C Yellow #6. No thanks. What a waste of money. I just threw 2 bottles out. Why would you think I need more food coloring in my body when I am taking this for my health?

BV
BV test

Helpful for workouts
easy to swallow.

Delivers exactly what it advertises!
I have had difficulty finding an iron supplement that my body absorbs and I’m so grateful that I found this. Furthermore, I have not had any abdominal discomfort, nausea, or other symptoms that usually come with iron. I will be sticking with this for some time.
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Feosol® Complete minimizes side effects such as constipation, nausea, and diarrhea than other forms of iron
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