Ferrex Plus

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Medically reviewed

Marina Burgos

Last updated on 10/01/2026

This page provides general, reference-level information compiled from official medical sources. It is not a substitute for professional medical advice, diagnosis, or treatment. For decisions about your health, please consult a qualified healthcare professional.

Overview of Ferrex Plus

Quick Facts

Property Description
Active Ingredients Iron, Ascorbic Acid (Vitamin C), Folic Acid, Cyanocobalamin (Vitamin B12)
Form Oral Capsule or Tablet
Pharmacological Class Iron Products, Hematopoietics, Vitamin and Mineral Combination
Common Use Management of Iron and Nutritional Deficiencies
Origin Combination of inorganic and synthetic/derived components

What is Ferrex Plus and its Pharmacological Class?

Ferrex Plus is a specialized combination product that belongs to the Iron Products and Vitamin and Mineral Combinations pharmacological class. It is frequently designated as a Medical Food in specific formulations, requiring use under medical supervision, and is designed for the dietary management of distinct nutritional needs. As a distinguishing factor, Ferrex Plus typically contains Polysaccharide Iron Complex or Ferrous Asparto Glycinate, which are forms of iron chosen for their clinically recognized potential to improve absorption compared to older iron salts. It is not a general dietary supplement but a complex therapeutic agent whose components are a blend of inorganic mineral elements and synthetic/derived vitamin co-factors.

Composition and Drug Form: An Essential Nutrient Combination

The core active components of Ferrex Plus include high-bioavailability forms of Elemental Iron, alongside Ascorbic Acid (Vitamin C), Folic Acid, and Cyanocobalamin (Vitamin B12). The preparation is designed for the oral route of administration and is manufactured as a solid capsule or tablet dosage form. The formulation strategically incorporates Vitamin C because pharmacological studies confirm its role as an absorption enhancer, facilitating the uptake of non-heme iron into the bloodstream. This approach to composition targets both the core mineral deficiency and the biological steps required for nutrient utilization.

General Purpose: What is the Main Benefit of Taking Ferrex Plus?

The primary general purpose of Ferrex Plus is the targeted support of blood formation by addressing nutritional deficiencies that impair the body's ability to create and mature red blood cells. By supplying essential co-factors, the preparation is commonly used in clinical practice to manage states of low iron levels or specific nutritional anemias, such as those experienced during pregnancy or periods of chronic blood loss. The general benefit is the maintenance of healthy blood composition, which is necessary for managing systemic vitality and optimal oxygen transport.

What side effects are possible with Ferrex Plus?

Possible Side Effects and Safety Information: Ferrex Plus

Ferrex Plus is an oral supplement containing polysaccharide iron complex and Folic Acid. While generally well-tolerated when taken as directed, side effects are possible, particularly those related to the iron component.

Common Side Effects

The most frequent side effects associated with oral iron supplementation are typically gastrointestinal in nature. These usually lessen with continued use or by taking the supplement with food.

Side Effect Note
Constipation Often manageable with increased fiber and fluid intake.
Darkened Stools This is common and harmless; it indicates unabsorbed iron.
Upset Stomach/Nausea May be reduced by taking the dose with food or at bedtime.
Diarrhea Less common than constipation.

Important Safety Information

  • Accidental Overdose: An 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 poison control center immediately.
  • Interactions: Iron absorption can be affected by certain medications (e.g., antacids, proton pump inhibitors) and foods (e.g., dairy, tea, coffee). Consult a healthcare provider regarding potential interactions.
  • Folic Acid Masking: The folic acid component may mask a Vitamin B12 deficiency (pernicious anemia), as it can improve the anemia symptoms while neurological damage progresses. This risk is managed if the patient's Vitamin B12 status is properly monitored.
  • Pre-existing Conditions: Individuals with iron overload conditions (e.g., hemochromatosis) or certain types of anemia should not take Ferrex Plus without specific medical guidance.

Overdose and Emergency Response

Overdose and When to Seek Help

Accidental overdose of iron-containing products, such as Ferrex Plus, is a leading cause of fatal poisoning in children under the age of 6. This product must be kept out of the reach of children to prevent this risk.


Immediate Medical Attention is Required

If an accidental overdose is suspected or occurs, immediately call a doctor or a poison control center, or seek emergency medical help right away. Do not wait for symptoms to develop. Rapid intervention is crucial in managing iron toxicity.


Overdose Clinical Presentation

The clinical course of acute iron overdosage is typically multi-staged and can be severe. Initial symptoms, which may appear within the first six hours, commonly reflect the caustic effects of iron on the gastrointestinal tract and may include:

  • Abdominal pain, nausea, and vomiting
  • Severe diarrhea, which may include tarry stools or hematemesis (vomiting blood)
  • Drowsiness, lethargy, or signs of shock (low blood pressure, rapid heart rate)

Systemic toxicity can progress to more serious conditions like severe metabolic acidosis, shock, coma, seizures, and potentially liver failure days after the initial exposure. Lack of symptoms in the first few hours does not always rule out significant toxicity.

Therapeutic Uses of Ferrex Plus

What Ferrex Plus Treats: Main Uses and Benefits

The product is applied in addressing conditions presenting with systemic or localized discomfort related to iron deficiency and its associated manifestations. The product, containing active ingredients, is considered relevant for easing symptoms related to systemic imbalance that may occur with iron deficiency. Iron supplements may be part of symptomatic management in situations where patients experience deficiency when dietary intake is not enough.

It supports patients during episodes of heightened discomfort that interfere with daily functioning, such as fatigue, weakness, or generalized physiological strain. The product contributes to easing the overall symptom load across conditions presenting with acute episodes where iron levels are low. The product is commonly used to help with situations involving certain distressing symptoms related to iron deficiency.

It provides support that helps ease the overall symptom burden and assists with maintaining functional stability. “The use of iron supplements contributes to improved comfort during periods of heightened symptoms.” This supports general well-being during symptomatic phases and may help patients cope more steadily with symptom fluctuations.


Quick Fact: Relief for Symptoms that Interfere with Daily Functioning

Regulatory References

  1. NIH MedlinePlus Drug Information on Iron Supplements

Eligibility and Restrictions for Use

Who can and cannot use Ferrex Plus?

The population eligibility for Ferrex Plus (a combination of Iron, Folic Acid, Vitamin B12, and Vitamin C) is strictly defined by regulatory documents, focusing only on conditions and populations for whom use is permitted, restricted, or prohibited.


Contraindicated Populations (Must Not Use)

The product is Contraindicated in individuals with a known hypersensitivity to any of its components, as well as in patients diagnosed with iron-overload states like Hemochromatosis or Hemosiderosis. Due to the Folic Acid content, it is also contraindicated in cases of Megaloblastic Anemia caused by an isolated Vitamin B12 deficiency, as this can mask the condition while severe neurological damage progresses. Patients receiving concomitant parenteral (intravenous) iron therapy must also not use this product.


Restricted and Age-Related Use

Age: Use is generally not recommended in children under 12 years old, as safety and efficacy data for the adult formulation are not established in this age group. Older adults may require cautious dose selection.

Comorbidities: Use is restricted and requires caution in patients with a history of Peptic Ulceration or Inflammatory Bowel Disease (IBD).

Pregnancy and Lactation: Use is permitted and indicated for the treatment or prevention of iron and folic acid deficiency during pregnancy and is generally permitted while breastfeeding, under medical supervision.

What should I know about interactions with other medicines?

Interactions with other medicines and products

The interaction profile for Ferrex Plus, which contains Iron, Ascorbic Acid, Folic Acid, and Vitamin B12, is primarily defined by effects on drug absorption and systemic exposure, as documented in regulatory labeling. The Iron component frequently causes a marked decrease in the bioavailability of co-administered medicines, including Levothyroxine (thyroid hormone), and antibiotics such as Tetracyclines and Fluoroquinolones. The reduction in exposure is attributed to the formation of non-absorbable complexes in the gastrointestinal tract. This interaction requires that administration of the iron preparation be separated by at least 4 hours from these specific medications. A similar separation rule applies to co-administration with antacids to prevent reduced iron absorption.

Specific medicinal combinations are subject to regulatory restrictions. Co-administration with Baloxavir Marboxil is generally advised against, as the iron may decrease the antiviral agent’s serum concentration. Additionally, Folic Acid is documented to antagonize the action of anticonvulsants like Phenytoin, which may necessitate adjustment of the anticonvulsant dose.

Regarding the vitamin components, medicines that reduce gastric acidity, such as Proton Pump Inhibitors and H2-Receptor Antagonists, may impair the absorption of Vitamin B12. Similarly, heavy alcohol intake over a sustained period is documented to negatively affect Vitamin B12 absorption.

Mechanism of Action

How Ferrex Plus Works

Ferrex Plus provides the essential molecular components—Iron, Folic Acid ( B9), and Vitamin B12—required for the body to support the production of erythrocytes. The mechanism is based on the provision of these key precursors.

Modulation of Critical DNA and Heme Synthesis Pathways

The components act as essential substrates (Iron) and cofactors ( B9 and B12) for enzymes that drive two core metabolic cycles in the bone marrow: DNA synthesis and the formation of the heme molecule. Iron is utilized directly for the final structure of heme, while B9 and B12 act as co-substrates for the genetic blueprint necessary for cell division. Provision of these components co-facilitates the synthesis of mature erythrocytes.

Alteration of Systemic Oxygen-Carrying Capacity

This intracellular action leads to a systemic physiological consequence: the synthesis of new red blood cells and their contained Hemoglobin. The mechanism thus contributes to the synthesis of oxygen-binding protein in the bloodstream, resulting in an alteration in the systemic capacity for oxygen transport to peripheral tissues.

Dosage and Administration Information

How to Use Ferrex Plus: Official Administration Guidelines

Ferrex Plus is a combination product designed for the oral route of administration, supplied as a capsule. Use of the product requires active and ongoing medical supervision, as specified in regulatory documentation.


Administration Scope

Instruction Detail
Route of administration Oral route only.
Dosing schedule The standard adult regimen is one capsule once daily.
Timing in relation to meals Best absorbed when taken on an empty stomach. May be taken with food if administration causes gastrointestinal discomfort.
Preparation requirements Swallowed with a full glass of water.
Age-group administration rules Older Adults: Dose selection requires caution, often starting at the low end of the dosing range. Pediatric Use: Safety and effectiveness have not been established.
Special procedural conditions The recommended daily dosage must not be exceeded.

Resulting Procedural Structure

Official step sequence:

  • Take the capsule by the oral route.
  • Adhere to the prescribed regimen, typically one capsule once daily.
  • Consume the capsule with a full glass of water.
  • Administer on an empty stomach for optimal effect, or with food if stomach upset occurs.

Connection to the overall use protocol: Official instructions define a highly specific oral administration protocol with a consistent daily frequency. This structure regulates how the product is introduced into the body, emphasizing the importance of medical oversight and adherence to explicit dosage limits. The notes regarding timing and specific patient groups formally constrain the usage to the conditions outlined by regulatory bodies.

Recent Clinical Evidence

Research Evidence / Overview of Studies for Ferrex Plus

This section outlines the structure of the clinical research available for the components of Ferrex Plus, focusing on the types of studies conducted and what outcomes were monitored. It is not intended to provide clinical advice or guarantee individual results.


Evidence for Use in Nutritional Iron Deficiency Anemia

Research exploring this iron component's role in the management of nutritional iron deficiency anemia (IDA) was primarily conducted through Randomized Controlled Trials (RCTs) and comparative studies. The research examined outcomes related to low iron levels by measuring key markers in the blood, specifically Hemoglobin (Hb) concentration and iron stores (Serum Ferritin).

Study populations included adults with uncomplicated IDA and young children (e.g., those aged 9 to 48 months) who were experiencing low iron levels. Comparative trials examined the Polysaccharide Iron Complex (PIC) component alongside older, standard iron salts. Studies reported measurements showing changes in blood marker levels, but reported findings were mixed when comparing the PIC component to certain older iron supplements.


Evidence for Use as a Supplement in Pregnancy

The evidence base for studies of iron and folic acid in pregnant women is largely derived from Systematic Reviews and Meta-analyses of Randomized Controlled Trials. These studies monitored outcomes related to blood levels, such as the rates of iron deficiency at term, alongside neonatal outcomes like Infant Low Birthweight.

Studies reported patterns in which the combination of iron and folic acid was observed in relation to lower rates of iron deficiency at term. However, the evidence concerning some adverse infant and maternal outcomes is subject to high variability, and scientific reviews indicate that certainty remains low for those specific outcomes.


What Remains Uncertain About the Research Base

Most comparative clinical trials available had follow-up durations that were limited, typically lasting around 12 weeks. As a result, long-term effects are not fully established, particularly concerning outcomes over periods exceeding six months. Additionally, comparative evidence is lacking for the full four-component formulation (Iron, Vitamin C, Folic Acid, and B12) as a single unit when compared against standard treatments.

Key Studies & References

  1. Iron Supplements: MedlinePlus Drug Information
  2. Iron Supplementation - StatPearls - NCBI Bookshelf

Frequently Asked Questions (FAQ)

Common questions about Ferrex Plus (FAQ)

Q: What is the difference between Ferrex Plus and other iron supplements?

Ferrex Plus is generally distinguished by its specific combination of active ingredients. While it provides iron, it is often formulated with forms like Polysaccharide Iron Complex or Ferrous Asparto Glycinate which may have different absorption profiles than older iron salts. It also includes a specialized blend of Ascorbic Acid (Vitamin C), Folic Acid (Vitamin B9), and Cyanocobalamin (Vitamin B12), which is not always present in standard iron supplements.

Q: I saw a pill that was a different color, is that normal for Ferrex Plus?

It is normal for Ferrex products to have distinct identifiers based on the specific formulation and strength. Official product descriptions may describe capsules or tablets in specific colors, such as orange and white or maroon. Different versions of the product, such as Ferrex 28 and Ferrex 150 Forte Plus, may vary in physical appearance.

Q: Can taking Ferrex Plus affect my blood test results?

Official labeling indicates that Ferrex Plus may affect certain laboratory tests. For this reason, regulatory guidance advises patients to inform all healthcare providers and lab workers that they are taking this medicine before any testing is conducted.

Q: Is Ferrex Plus a type of prescription drug, or is it over-the-counter?

Regulatory marketing status can vary for different Ferrex formulations. Some versions are designated as Dietary Supplements, while others are classified as Medical Foods, which are typically used under the supervision of a healthcare provider. Always check the specific packaging and consult a professional to determine the product’s classification.

Q: If I have a history of stomach issues, will Ferrex Plus make them worse?

Iron supplements are commonly associated with gastrointestinal discomfort. Official warnings indicate that common side effects can include upset stomach, nausea, constipation, or diarrhea. If a person has a history of stomach issues, the labeling indicates that caution and professional medical guidance are warranted before use.

Q: Is it true that taking Ferrex Plus with dairy products is not recommended?

Official product information notes that certain foods may interfere with the effectiveness of the medicine. Regulatory warnings indicate that co-administration with foods like dairy products may reduce the medicine's absorption.

Q: How does the body absorb the iron component of Ferrex Plus?

The formulation is designed to promote iron uptake using specific types of iron, such as Ferrous Asparto Glycinate or Polysaccharide Iron Complex. Furthermore, the product intentionally includes Ascorbic Acid (Vitamin C), which is documented to act as an absorption enhancer to facilitate the body’s utilization of the iron component.

Q: What happens if I miss a dose of Ferrex Plus?

Official guidance addresses missed doses, describing a sequence where it is taken as soon as it is remembered. The guidance describes skipping the missed dose and returning to the regular schedule if it is near the time for the next dose. Regulatory documents stress not to take two doses at the same time or take extra doses.

Q: Does the time of day matter when taking Ferrex Plus?

Official administration instructions focus on adherence to a consistent daily routine. The product works better if taken on an empty stomach. The time of day is secondary to adherence to the dosing schedule and proper timing around meals/food consumption.

Q: What are the signs that a person might need to stop taking Ferrex Plus?

Official labeling indicates that use must be discontinued if a person develops a known hypersensitivity (allergic reaction) to any ingredient. Additionally, use must be discontinued if a healthcare provider diagnoses a condition like iron overload, which is where the body stores too much iron.

Q: Does the drug have a common physical appearance (shape, size, color)?

Yes, regulatory descriptions confirm that Ferrex Plus products are typically supplied as a solid dosage form, often a capsule or tablet. Official records include specific color and imprint codes, such as orange and white capsules, used for product identification.

Q: What should I do if I accidentally take two pills of Ferrex Plus?

Official guidelines state that the recommended daily dosage must not be exceeded. If a person takes more than the prescribed amount, regulatory guidance advises that a healthcare provider or a poison control center should be contacted right away.

Q: Can people who are vegetarian or vegan use Ferrex Plus?

The question of vegetarian or vegan suitability depends on the specific, non-active ingredients of the formulation. Official product information lists inactive ingredients, which for some formulations may include components like Soy Polysaccharide, that should be cross-referenced with personal dietary guidelines.

Q: What ingredients are listed as inactive in Ferrex Plus?

Inactive ingredients are generally listed in the official DailyMed and package inserts. These can vary by specific product version, but examples of inactive components often found include common substances like Magnesium Stearate, Microcrystalline Cellulose, Mineral Oil, and Titanium Dioxide.

Q: Is Ferrex Plus described as being gluten-free or lactose-free?

Official product labeling generally lists all components, including common allergens. While a universal 'gluten-free' or 'lactose-free' statement is not typically provided, the inactive ingredients section of the label would contain any specific substances like lactose that may be present.

Q: Can Ferrex Plus be crushed or split if a person has trouble swallowing pills?

Regulatory guidance for iron products supplied as capsules or tablets often advises that this practice is not recommended unless explicitly directed by a healthcare provider. Modifying the form of the capsule or tablet can compromise the intended delivery mechanism of the medicine.

Q: Are there any gender-specific issues related to using Ferrex Plus?

Official labeling addresses the use of the product in women by including specific sections on pregnancy and lactation (breastfeeding). These are specific use populations where the decision to use the product warrants discussion with a healthcare provider regarding benefits and risks.

Q: What regulatory body approved Ferrex Plus for use?

The product labels and prescribing information are reviewed and regulated by major national health authorities. In the United States, the labels are regulated by the U.S. Food and Drug Administration (FDA), which ensures the product is safe and effective for its stated use.

Q: Are there different strengths or versions of Ferrex Plus available?

Yes, official labeling confirms that various versions and strengths are available under the Ferrex brand. Examples include Ferrex 28 and Ferrex 150 Forte Plus, which differ in their total quantity and forms of active ingredients.

How should Ferrex Plus be stored and disposed of?

How to Store and Dispose of Ferrex Plus

Ferrex Plus must be stored at Controlled Room Temperature, defined as 25 C (77 F), with permitted fluctuations between 15 C and 30 C (59 F and 86 F). The product must be protected from light and moisture and should be kept in a tight, light-resistant container with a child-resistant closure.


Child Safety and Disposal

Due to the risk of accidental overdose, it is mandatory to keep this product out of the reach of children. Regarding disposal, unused or expired medication should be handled through a drug take-back program or by mixing with an unappealing substance before discarding in household trash. The medication must not be flushed down a toilet or drain.

Attention! Always consult to a doctor or pharmacist before using pills or medicines.

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