For Healthy Red Blood Cells*

You need the mineral iron to help support blood cells and to produce hemoglobin, which in turn transports oxygen from your lungs to your tissues.* Nature’s Way Ultimate Iron replaces iron loss for vital energy and stamina.*

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Over 50 Years of Quality

Helping you live your healthiest life is our passion. We enrich your wellness journey with high-quality supplements and obsess over quality so you don’t have to. For over 50 years, people just like you have trusted Nature’s Way for our insistence on quality and safety.


Ultimate Iron® Directions and/or Dosage

Adults swallow 2 softgels daily with food.


Do not use if you are pregnant or nursing. If you are taking any medications, consult a healthcare professional before use.

Accidental overdose of iron-containing products is a leading cause of fatal poisoning in children under 6.

Keep this product out of the reach of children.

In case of accidental overdose, call a doctor or poison control center immediately.

Do not use if safety seal under child-resistant cap is broken or missing. Keep tightly closed. Store at room temperature. Avoid excessive heat and direct sunlight.


Patient Support

There is no Patient Support information available for this product


  • A. Both ferrous fumarate (C4H2FeO4, FW = 169.9, Fe = 55.85) and ferrous succinate (C4H6O4.Fe, FW = 173.85, Fe = 55.85) are good sources for iron (Fe) supplementation. Ferrous fumarate and ferrous succinate supply about same amount of elemental iron per molecule (32.87% vs. 32.13%). Research has shown that ferrous fumarate and ferrous succinate are highly available iron sources as compare to ferrous saccharate or ferrous pyrophosphate.1The iron in Ultimate Iron is from ferrous succinate. It provides 25 mg/capsule of elemental iron.

  • A. The liver used in Ultimate Iron® contains no fat and no cholesterol. Therefore, it cannot raise cholesterol or triglyceride levels. It is always recommended that you discuss the use of any and all supplements with your healthcare professional.

  • A. While constipation is a common side effect of non-heme iron supplements, the heme iron in Ultimate Iron® has less of a constipating effect. If you do experience constipation, simple dietary changes may help alleviate the problem. Slowly increase the fiber in your diet by including whole grain breads, cereals, fruits, and vegetables. Drink at least 8 cups of fluids daily and get some moderate exercise (as recommended by your physician) such as walking or bike riding.

  • A. All glandulars used in our products are produced in facilities that are registered and inspected by the United States Department of Agriculture. In addition to federal inspections, all of the glandular materials received at our facility are also subjected to numerous laboratory analyses, including tests for contamination with yeast, molds, and bacteria such as E.coli, Salmonella, and Staphylococcus.

  • A. Research has shown that calcium can interfere with the absorption of iron. Therefore, we recommend taking Ultimate Iron® and the calcium supplement at different times of the day, at least two hours apart.

  • A. The glandular ingredients are from bovine sources. The gelatin capsules that we use are from a bovine and porcine mixture. For more information on the how the safety of glandular ingredients is assured, please refer to the Certificate of Compliance.

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