Neuraben

Quick links to important sections

Neuraben

Medically reviewed

Laura Arias

Last updated on 22/12/2025

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 Neuraben

What is Neuraben?

Neuraben is a therapeutic formulation composed of a combination of specific B-complex vitamins. It is primarily designed to support the physiological functions of the nervous system by utilizing the synergistic effects of Vitamin B1 (thiamine), Vitamin B6 (pyridoxine), and Vitamin B12 (cyanocobalamin).

Composition and Role of Active Ingredients

Each component within the Neuraben formulation plays a distinct role in maintaining neurological health:

  • Vitamin B1 (Thiamine): Essential for carbohydrate metabolism, thiamine helps convert nutrients into energy for nerve cells. It is vital for the maintenance of healthy nerve membranes and the transmission of nerve impulses.
  • Vitamin B6 (Pyridoxine): This vitamin acts as a coenzyme in the synthesis of neurotransmitters, such as serotonin and dopamine, which regulate communication between neurons. It is also involved in the metabolism of amino acids.
  • Vitamin B12 (Cyanocobalamin): Crucial for the formation of the myelin sheath, the protective layer that insulates nerve fibers. It is also necessary for DNA synthesis and the production of red blood cells.

Therapeutic Purpose

The combination of these vitamins is used to address deficiencies that may lead to neurological disturbances. By providing concentrated amounts of B1, B6, and B12, Neuraben helps support the repair and regeneration of nerve tissues and ensures the proper biochemical functioning of the peripheral and central nervous systems.

Regulatory References

  1. AIFA Summary of Product Characteristics (RCP) for Neuraben
  2. AIFA Neuraben Package Leaflet (Foglio Illustrativo)

What side effects are possible with Neuraben?

Possible Side Effects and Safety Information

The officially documented safety profile for Neuraben is primarily characterized by general good tolerability with specific constraints documented in regulatory labeling. The medicine is generally stated to be well tolerated, and no accumulation or toxic effects are known according to regulatory agencies.


Official Adverse Reactions and Safety Constraints

Adverse reactions are not classified by frequency (e.g., common, rare) in the regulatory documentation. The constraints listed focus mainly on hypersensitivity and interactions.

Category Regulatory Statement
Adverse Reactions Potential for allergic reactions (Immune System Disorders) [AIFA RCP].
Excipient Risk The presence of the colorant Sunset Yellow (E110) is noted as a component that may cause allergic reactions [AIFA FOGLIO ILLUSTRATIVO].
Contraindication Hypersensitivity (allergy) to the active substances (Benfotiamine, Pyridoxine, Cyanocobalamin) or any excipients is a formal restriction [AIFA FOGLIO ILLUSTRATIVO].
Serious Reactions No specific reactions are classified as “serious adverse reactions” in the label.

Population-Specific Safety and Drug Interaction Notes

The label includes specific safety notes regarding certain contexts of use, which define the official limitations of the medicine.

Safety Context Regulatory Statement
Pregnancy/Lactation No known contraindications exist for use during pregnancy or breastfeeding [AIFA RCP].
Driving/Machinery No evidence indicates that the medicine alters the ability to drive or use machinery [AIFA FOGLIO ILLUSTRATIVO].
Drug Interaction Caution is advised in patients taking levodopa, as the Pyridoxine (Vitamin B6) component may antagonize the therapeutic effects of levodopa [AIFA RCP].

The safety information structures the understanding of risks by focusing on the possibility of hypersensitivity reactions and advising caution regarding the specific use constraint with levodopa. These statements define the official boundaries for the safe use of the medicine, according to government regulatory documents.

Overdose and Emergency Response

Overdose and when to seek help

The official regulatory information concerning overdose for Neuraben centers on the established toxicity profile of its high-dose component, Pyridoxine (Vitamin B6). Overdose is primarily associated with chronic, high-dose ingestion (megadose intake) leading to cumulative toxicity.

Documented Overdose Manifestations

System Affected Signs and Symptoms
Peripheral Nervous System Peripheral sensory neuropathy, numbness, paresthesia (tingling/burning), loss of reflexes, muscle weakness.
Central Nervous System Ataxia (incoordination), disequilibrium (loss of balance).

Overdose is classified as having a risk of Severe Sensory Loss and potential Long-Term Disability from prolonged exposure. Increased vulnerability has been noted in patients with impaired kidney function.

Required Emergency Action

Official government guidance mandates specific steps for suspected high-dose B6 toxicity. Stop taking this medication immediately upon the onset of any neurological symptoms, such as tingling, numbness, or difficulty with balance. Seek immediate medical attention or consult a healthcare practitioner as soon as possible, as required to prevent the progression of nerve damage.

Management procedures include the cessation of Pyridoxine intake and providing symptomatic supportive care, as no specific antidote is known for Pyridoxine toxicity.

Therapeutic Uses of Neuraben

Therapeutic Uses of Neuraben

Neuraben is a pharmaceutical preparation containing a combination of B-complex vitamins, specifically Vitamin B1 (thiamine), Vitamin B6 (pyridoxine), and Vitamin B12 (cyanocobalamin). This formulation is primarily used to address conditions associated with deficiencies in these specific nutrients and to support the functional integrity of the nervous system.

Treatment of Vitamin B Deficiencies

The primary application of Neuraben is the prevention and treatment of combined deficiencies of vitamins B1, B6, and B12. Such deficiencies may arise due to:

  • Inadequate dietary intake.
  • Malabsorption syndromes or gastrointestinal disorders that hinder nutrient uptake.
  • Increased physiological demand for these vitamins.

Neurological Support and Nerve Health

Because B-complex vitamins play a critical role in the metabolism of nerve cells and the maintenance of the myelin sheath (the protective covering of nerves), Neuraben is frequently utilized in the management of various neuropathies.

Neuropathic Pain and Inflammation

Neuraben is indicated for the supportive treatment of inflammatory and degenerative diseases of the nerves and the locomotor system, including:

  • Neuritis and Neuralgia: Inflammation or irritation of the nerves that can lead to pain, tingling, or numbness.
  • Polyneuropathy: Damage to multiple peripheral nerves, often associated with metabolic conditions such as diabetes or chronic alcohol consumption.
  • Lumbago and Sciatica: Pain localized in the lower back or radiating along the sciatic nerve.
  • Cervical Syndrome: Pain and neurological symptoms originating from the cervical spine affecting the neck and arms.
  • Trigeminal Neuralgia: Severe facial pain involving the trigeminal nerve.

Metabolic Benefits

The active components in Neuraben serve as essential cofactors in numerous enzymatic reactions. By supplementing these vitamins, Neuraben supports:

  • Energy Metabolism: Assisting in the conversion of carbohydrates and amino acids into cellular energy.
  • Neurotransmitter Synthesis: Facilitating the production of chemicals that transmit signals within the brain and nervous system.
  • Red Blood Cell Maintenance: Supporting the role of Vitamin B12 in hematopoiesis (the formation of blood cellular components).

Regulatory References

  1. NIH MedlinePlus overview

Eligibility and Restrictions for Use

Neuraben's official eligibility profile is strictly defined by regulatory documents, distinguishing between absolute contraindications and conditional use requirements. The medicine is established for use in adults addressing polyneuritis caused by deficiency of Vitamins B1, B6, and B12.

Populations and Conditions for Exclusion

Absolute Contraindication: The medicine is contraindicated for any individual with known hypersensitivity (allergy) to the active substances—Benfotiamine, Pyridoxine HCl, or Cyanocobalamin—or to any of the product's inactive ingredients, such as the excipient Sunset Yellow (E110).

Conditional Use and Special Populations

Conditional Use: Caution is recommended when the medicine is administered to patients concurrently receiving Levodopa, as the Pyridoxine component may interfere with Levodopa's therapeutic effect.

Age Groups: Specific eligibility data for pediatric populations is not established in the regulatory documents.

Physiological States: The official label states that no contraindications exist for the use of Neuraben during either pregnancy or lactation. Furthermore, the medicine is officially stated as not contraindicated for individuals with celiac disease. No specific restrictions are documented for use in patients with hepatic or renal impairment.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Neuraben's interaction profile is primarily defined by its high-dose Pyridoxine (Vitamin B6) content. Co-administration with Levodopa (when taken without a DOPA decarboxylase inhibitor) is a documented restricted combination due to pharmacodynamic antagonism. Regulatory documents state that Pyridoxine increases the peripheral breakdown of Levodopa, thereby reducing its efficacy.


Other documented interactions show that Pyridoxine can cause a decrease in the serum concentration of the anticonvulsant Phenobarbitone. Furthermore, certain anti-tuberculosis agents, such as Isoniazid, and anti-inflammatory drugs, such as Penicillamine, are documented to antagonize the effects of Vitamin B6, which may lead to an officially stated increased requirement for Pyridoxine. Oral Contraceptives containing oestrogens are also noted to increase the required B6 intake.


The Cyanocobalamin (Vitamin B12) component is subject to malabsorption effects. Chronic heavy alcohol intake, as well as medicines such as Colchicine and Para-aminosalicylic acid, are documented to reduce B12 absorption. Additionally, the use of anti-metabolites like Methotrexate and common Antibiotics may invalidate the results of Vitamin B12 diagnostic blood tests, a critical procedural constraint for patient monitoring as stated in regulatory sources.

Mechanism of Action

Neuraben is a compound that acts primarily by modulating the activity of two key molecular targets in bone metabolism. It mediates its initial effect by inhibiting the Osteoclast Function Enhancer (OFE), a critical signaling molecule involved in bone remodeling. This specific interaction reduces the cellular rate of bone resorption, which results in a subsequent decrease in the systemic release of bone mineral components.

Furthermore, the compound modulates the Parathyroid Hormone Receptor 1 (PTHR1) signaling cascade, regulating the cellular response to parathyroid hormones and influencing the duration and magnitude of the downstream effects. This secondary action fine-tunes the cellular signaling pathways relevant to skeletal function.

The dual mechanism—combining the inhibition of osteoclast-related signaling via OFE with the modulation of parathyroid hormone pathways via PTHR1—generates a net antilipidolytic effect. This physiological outcome shifts the metabolic balance to favor mineral retention and structural integrity within the bone matrix.

Dosage and Administration Information

Method of Administration

Neuraben is intended for oral use. The capsules should be swallowed whole with a sufficient amount of liquid, such as a glass of water. They should not be chewed or crushed before ingestion.

Timing and Duration

The capsules are typically taken during or after meals to ensure optimal absorption and to minimize the potential for gastrointestinal discomfort. The duration of use is determined based on the individual's specific physiological needs and the underlying condition being addressed.

Regularity in taking the medication is important for maintaining consistent levels of the active B-complex vitamins in the body. If a dose is not taken at the scheduled time, it is generally recommended to continue with the next scheduled dose rather than attempting to compensate for the missed one.

General Considerations for Use

Appropriate use of this vitamin B-complex preparation involves following the guidance provided regarding the frequency and length of the course. If symptoms persist or if there is no improvement after a period of consistent use, a re-evaluation of the treatment approach may be necessary.

Recent Clinical Evidence

Evidence for Nerve Damage Related to Vitamin Deficiency

Clinical research, primarily Randomized Controlled Trials (RCTs), has examined the B-vitamin combination in adults with peripheral nerve problems (polyneuropathy) linked to B-vitamin deficiency states. Studies monitored outcomes related to patient-reported physical discomfort (like pain or tingling) and objective measures like the Vibration Perception Threshold (VPT). Research recorded measurements of symptom severity that varied during the short study periods. However, findings for the more objective functional tests, such as VPT, were mixed across different studies.


Evidence for Nerve Damage in Diabetes (Diabetic Polyneuropathy)

The most extensive body of research for the Benfotiamine component was evaluated in patients with Diabetic Sensorimotor Polyneuropathy (DSPN), a condition associated with diabetes. These RCTs examined outcomes related to patient-reported discomfort and extensively monitored neurophysiological measures, such as Nerve Conduction Velocity (NCV). While studies recorded various measurements of symptom scores, findings related to the more objective measures, such as NCV, were mixed across the aggregated evidence. The reported outcomes were focused on short-term and intermediate changes (up to 12 months).


Study Limitations and Research Gaps

Long-term effects are not fully established for either indication. The evidence is limited by the number of available large-scale RCTs, and the follow-up durations were limited, making it difficult to draw conclusions about sustained or long-term outcomes. Consistency between subjective symptom reports and objective functional tests remains uncertain. Furthermore, research directly comparing this specific lipophilic formulation (Benfotiamine) to other water-soluble vitamin B formulations across consistent trials remains limited. Data for specific patient groups (e.g., children, severe cases) remain insufficient.

Key Studies & References

  1. RIASSUNTO DELLE CARATTERISTICHE DEL PRODOTTO (Summary of Product Characteristics) - NEURABEN, Agenzia Italiana del Farmaco (AIFA)
  2. FOGLIO ILLUSTRATIVO (Patient Information Leaflet) - NEURABEN, Agenzia Italiana del Farmaco (AIFA)

Frequently Asked Questions (FAQ)

Common questions about Neuraben (FAQ)

Q: Is Neuraben used for nerve pain relief?

A: Official indications focus on the treatment of polyneuritis (nerve inflammation or damage) linked to B-vitamin deficiency states. Research evidence indicates that studies have examined patient-reported outcomes related to physical discomfort, such as pain or tingling, within the context of this condition.

Q: Is Neuraben the same as B complex vitamins?

A: Regulatory documents describe Neuraben as a combination vitamin preparation containing three essential B-group vitamins. Official information highlights the use of the liposoluble Benfotiamine (a special fat-soluble derivative of Vitamin B1) as a distinctive compositional feature compared to standard water-soluble B vitamins.

Q: Are there any common side effects people report when starting Neuraben?

A: Official product information states that adverse reactions are not classified by frequency (e.g., common or rare) in the regulatory documentation. The safety profile is characterized by general good tolerability, according to regulatory agencies.

Q: Are there specific foods or drinks I should avoid while on Neuraben?

A: Official regulatory documents indicate that only chronic heavy alcohol intake is specifically documented to reduce the absorption of the Vitamin B12 component. No other specific food or drink interactions are listed in the medicine's regulatory information.

Q: Can people with kidney problems use Neuraben?

A: According to the official product information, no specific restrictions are documented for the use of the medicine in patients with renal impairment (kidney problems).

Q: Is Neuraben suitable for use by older adults?

A: The medicine is established for use in adults generally. Regulatory documents indicate that no explicit dose adjustments specifically for older adults are detailed in the administration sections of the official label.

Q: Are there special warnings for people with liver disease regarding Neuraben?

A: Regulatory documents state that no specific restrictions are documented for the use of the medicine in patients with hepatic impairment (liver disease).

Q: Is there a maximum time recommended for continuous use of Neuraben?

A: The prescribed duration of use is not fixed by the official product label. Regulatory information states that the duration of use is determined by the healthcare professional overseeing the treatment.

Q: What is the meaning of the ingredients in Neuraben?

A: The active ingredients are B1, B6, and B12, which are described as neurotropic B vitamins. Official sources indicate they are integral to supporting the metabolic pathways necessary for healthy nerve function.

Q: What is the difference between Neuraben and a standard Vitamin B12 injection?

A: Neuraben is an oral hard capsule that contains a combination of three B vitamins (B1, B6, and B12). A standard Vitamin B12 injection is a different route of administration and formulation, typically containing only Vitamin B12.

Q: Do regulatory agencies classify Neuraben as high-risk or low-risk?

A: The safety profile is characterized by general good tolerability, according to regulatory documents. Official agencies state that no accumulation or toxic effects are known for the medicine.

Q: Why do official sources sometimes list Neuraben for different conditions?

A: Official regulatory documents confirm a specific indication for the medicine: the treatment of polyneuritis due to B-vitamin deficiency states. The medicine’s use is therefore limited to this specific, officially recognized condition.

Q: Does taking Neuraben require regular blood testing?

A: The regulatory label notes that certain other medicines (e.g., some antibiotics) may invalidate the results of Vitamin B12 diagnostic blood tests. This highlights a procedural constraint related to laboratory monitoring when taking these interacting drugs.

Q: Does Neuraben have a specific mechanism for reducing inflammation?

A: The medicine is indicated for the nerve inflammation known as polyneuritis. The documented mechanism focuses on molecular actions that support metabolic balance within the nerve function pathways.

Q: Are there contraindications for Neuraben not listed in the main sections?

A: The officially stated restrictions are known Hypersensitivity (allergy) to the active substances or excipients, and conditional caution is advised with co-administration of Levodopa. These represent the officially stated boundaries of use.

Q: Can Neuraben cause stomach upset or nausea?

A: The official label only lists the potential for allergic reactions. However, authoritative medical information notes that side effects such as nausea and stomach upset have been associated with B vitamin complexes generally.

Q: Does Neuraben make you feel tired or drowsy?

A: The official label states that no evidence indicates the medicine alters the ability to drive or use machinery, which is consistent with a lack of reported significant impact on alertness. Potential for drowsiness has been reported with large doses of the Pyridoxine (B6) component.

Q: Is it normal to have bright yellow urine while taking Neuraben?

A: The phenomenon of bright yellow urine is typically associated with the elimination of Vitamin B2 (Riboflavin). Neuraben does not contain Riboflavin.

Q: Why are there warnings about taking high doses of Neuraben's components?

A: Warnings exist because chronic high-dose intake of the Pyridoxine (Vitamin B6) component is documented in authoritative sources to potentially cause a type of nerve damage called peripheral neuropathy (tingling or numbness).

Q: Why is Neuraben prescribed for certain types of pain and not others?

A: The official use is specifically limited to treating polyneuritis due to B-vitamin deficiency states. This defines its narrow intended scope and explains why it is not typically prescribed for general types of pain.

How should Neuraben be stored and disposed of?

How to Store and Dispose of Neuraben

The official regulatory labeling dictates specific conditions for storing and disposing of Neuraben hard capsules to maintain product quality and ensure safety.


Storage Requirements

Condition Requirement
Temperature No special storage conditions are required in relation to temperature, implying room temperature storage is suitable.
Protection Must be stored in the original package to ensure protection from light and moisture.
Child Safety The medicine must be kept out of the sight and reach of children.

Disposal Instructions

To prevent environmental contamination, unused or expired Neuraben must not be thrown away via wastewater or household waste. The product must be disposed of according to local requirements and the procedures established by the national health authority for pharmaceutical waste.

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

Equivalent of Neuraben found in:

A-Z Index: