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Neuroplant

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Neuroplant

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Medically reviewed

Marina Burgos

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.

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Overview of Neuroplant

Property Description
Active Ingredient St. John's Wort dry extract (Hypericum perforatum)
Form Oral film-coated tablets
Pharmacological Class Herbal Antidepressant / Phytotherapeutic Agent
Common Use Supportive treatment for mild depressive moods
Origin Plant-based (natural source)

What Type of Medicine is Neuroplant?

Neuroplant is classified as a specific herbal medicinal product intended for oral administration. It is a mono preparation, meaning its sole therapeutic component is the standardized dry extract of St. John's Wort (Hypericum perforatum). This product is positioned as an over-the-counter (OTC) option for adults seeking mental well-being support. As a regulated phytotherapeutic agent, it belongs to the general pharmacological class of herbal antidepressants. Supported by pharmacological studies, St. John's Wort preparations are clinically recognized for their beneficial effects in patients experiencing temporary low mood. This evidence base confirms the medicine's role in supporting those with mild depressive moods.


Neuroplant's Composition and Pharmaceutical Form

The medicine is supplied as a film-coated tablet designed for stable systemic delivery. The efficacy of Neuroplant relies on its high-quality composition: the St. John's Wort dry extract is carefully manufactured to be a standardized extract, which is the key differentiating factor in its quality. This process ensures that each tablet delivers a reliable, measured concentration of key active constituents, such as hypericin and hyperforin, thereby maintaining product consistency and effectiveness. This pharmaceutical standardization step distinguishes the Neuroplant brand preparation from non-regulated herbal supplements.


What is the General Purpose of Neuroplant?

The general function of Neuroplant is to provide a supportive mood-lifting action by gently influencing neurochemical balance in the brain. The product’s general purpose is the alleviation of symptoms associated with mild depressive disorders and providing supportive treatment for temporary low or depressive moods. This use aligns with its regulatory status across various European markets, where official product information indicates that the preparation is intended for temporary depressive disorders. This confirms that the medicine is recognized by health authorities for supporting mental well-being when a patient is struggling with mild mood disturbances.

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What side effects are possible with Neuroplant?

Possible Side Effects and Safety Information

The safety profile of Neuroplant, a St. John's Wort dry extract, is defined by officially documented adverse reactions and specific regulatory constraints. Adverse reactions are commonly reported across several physiological systems.

System-Organ Classified Adverse Reactions

Adverse reactions are organized into System-Organ Classes as documented in regulatory monographs:

  • Nervous System Disorders: Common effects include dizziness, fatigue, headache, and restlessness.
  • Gastrointestinal Disorders: Dry mouth, nausea, vomiting, and diarrhea are frequently listed.
  • Skin and Subcutaneous Tissue Disorders: Photosensitivity, including sunburn-type reactions, skin tingling, and pruritus (itching) are documented.

Serious Safety Constraints and Risks

The most significant safety focus in regulatory documents relates to serious adverse reactions and interactions:

  • Drug Interactions: The preparation can seriously reduce the effectiveness of many co-administered critical medications, including oral contraceptives, anticoagulants, and certain heart and immunosuppressant medicines, which is an explicit regulatory safety concern.
  • Serotonin Syndrome: A potentially severe adverse reaction is documented when this product is taken concurrently with other medicines that affect serotonin levels.
  • Severe Phototoxicity: Exposure to intense sunlight or other sources of UV light must be avoided during treatment, as this may lead to severe, sunburn-type skin reactions, particularly at higher doses.

Population-Specific Safety Statements

Use is subject to explicit restrictions in certain groups as defined by official labeling:

  • Pediatric Use: The product is generally not recommended for use in children and adolescents under 18 years of age.
  • Pregnancy and Lactation: Use is advised against during pregnancy and breastfeeding due to insufficient or concerning safety data.

Safety notes also require the product to be discontinued a set number of days prior to any planned surgery due to documented risks of interaction.

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Overdose and Emergency Response

Neuroplant Overdose and When to Seek Help

Overdose with St. John’s Wort dry extract is documented to present with distinct clinical signs based on regulatory guidance. Symptoms of acute overdose, typically linked to high doses, may involve CNS overstimulation, leading to documented manifestations such as confusion, severe agitation, elevated heart rate (tachycardia), and increased blood pressure (hypertension). Gastrointestinal effects like nausea, vomiting, and diarrhea are also frequently noted.

Overdose Risk and Management Official Regulatory Guidance
Severe Outcomes Overdose carries the potential for severe, life-threatening outcomes, including the manifestation of Serotonin Syndrome and acute CNS events such as convulsions and high fever (hyperthermia).
Exposure-Related Risk The risk of phototoxicity (severe sunburn) is heightened; strict avoidance of sunlight and UV exposure is mandated for a period of up to two weeks post-overdose.
Emergency Action Seek immediate medical attention or contact emergency services upon any suspected over-ingestion.

The management protocol is defined as strictly symptomatic and supportive treatment under required hospital monitoring to address the clinical signs and potential severe outcomes. Regulatory information confirms that no specific antidote is known for St. John's Wort overdose, reinforcing the need for immediate, supportive care.

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Therapeutic Uses of Neuroplant

What Neuroplant Treats: Main Uses and Benefits

Neuroplant (St. John's Wort dry extract) is commonly used for supportive management in mild depressive disorders and temporary low moods. Its primary use is as an over-the-counter anti-depressive for mild to moderate depression. Its use is aligned with addressing symptomatic clusters at the non-severe end of the emotional health spectrum.

The therapeutic focus is on addressing core emotional symptoms, including persistent sadness, feelings of heaviness, and general emotional distress when classified as mild. It is generally applied in clinical scenarios involving situational emotional burdens or time-limited periods of mood instability. The medicine provides support that may help ease the overall symptom burden during symptomatic periods, and generally contributes to general well-being.

The treatment is relevant for easing associated symptoms such as mild anxious restlessness and reduced drive or lack of interest. This supportive action may assist patients with coping more steadily with symptom fluctuations and assists with maintaining functional stability.


Quick Fact: Relief for Low Mood and Restlessness Relevant in conditions characterized by periods of heightened symptoms that interfere with daily functioning.

Regulatory References

  1. NIH StatPearls overview on St. John's Wort
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Eligibility and Restrictions for Use

The eligibility for Neuroplant (St. John's Wort dry extract) is strictly defined by regulatory criteria detailed in official product labeling. Use is permitted only for Adults (18 years and older) seeking supportive treatment for mild depressive moods. The regulatory profile establishes clear boundaries, primarily classifying use as either contraindicated (absolute prohibition) or not recommended (use discouraged due to insufficient data).

Population Official Regulatory Status
Adults (18+) Allowed for the labeled indication.
Children/Adolescents (<18) Not recommended due to insufficient data on safety and efficacy.
Pregnancy/Lactation Not recommended; use should be avoided as safety is not established.
Severe Depression Contraindicated; the medicine is not for use in major depressive episodes.
Hypersensitivity/Photosensitivity Contraindicated in patients with a known allergy or pre-existing severe dermal light sensitivity.

Official regulatory documents mandate that the medicine is contraindicated for patients with diagnosed severe depression and those with a known history of photosensitivity conditions. Furthermore, use is formally restricted by concomitant medication status; the medicine is contraindicated if the patient is taking specific prescription drugs. These population boundaries ensure the product is only used by the general adult demographic for whom the benefit-risk profile has been officially assessed.

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What should I know about interactions with other medicines?

Neuroplant Interactions with other medicines and products

Neuroplant’s regulatory profile is defined by its ability to significantly alter the systemic exposure of many co-administered medicines. The primary interaction is pharmacokinetic, specifically the documented induction of the Cytochrome P450 enzyme system (notably CYP3A4) and the P-glycoprotein (P-gp) efflux transporter. This induction results in the increased clearance and reduced plasma concentrations of numerous susceptible drugs, leading to a risk of therapeutic failure.

Co-administration is formally contraindicated in several instances due to this mechanism:

  • Immunosuppressants (e.g., Ciclosporin, Tacrolimus) and Antiretroviral Agents (e.g., HIV Protease Inhibitors).
  • Most oral hormonal contraceptives, due to the documented risk of reduced efficacy.
  • Monoamine Oxidase Inhibitors (MAOIs), due to the pharmacodynamic risk of Serotonin Syndrome.

The regulatory label also notes a restrictive interaction with other serotonergic medicines, such as SSRIs and SNRIs, where co-use is cautioned due to the additive risk of Serotonin Syndrome. This medicine also causes a documented reduction in the plasma concentrations of other substrates, including Warfarin, Digoxin, and select anticonvulsants. The official constraint is the mandatory avoidance or cessation of Neuroplant when starting an interacting medication.

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Mechanism of Action

The action of Neuroplant is based on a multi-target mechanism with complementary actions, modulating several neurochemical systems simultaneously.

Non-Selective Modulation of Monoamine Transporters

This domain covers the primary molecular action, centered on the constituent Hyperforin. It functions as a non-competitive inhibitor of reuptake transporters for key neurotransmitters, including Serotonin, Norepinephrine, and Dopamine, thereby increasing their concentration in the synaptic cleft. This chemical adjustment within the central nervous system ( CNS) pathways initiates long-term adaptive changes, which lead to a subsequent long-term physiological effect.


Modulation of the Systemic Stress Response (HPA Axis)

The mechanism extends beyond direct synaptic effects to influence the Hypothalamic-Pituitary-Adrenal ( HPA) axis, the body’s principal neuroendocrine stress pathway. By influencing the HPA signaling dynamics, the extract modulates the physiological response to stress signals. This modulation influences neuroendocrine signaling patterns and contributes to the overall neurochemical environment.


Ancillary Receptor and Neuronal Stability Effects

The complexity of the extract allows for ancillary modulation of other critical targets, including GABA and Sigma receptors, as well as TRPC6 ion channels. These actions regulate fundamental neuronal excitability and signaling dynamics within mood circuits. This component modulates neuronal firing patterns and induces long-term functional changes in the neural network.

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Dosage and Administration Information

How to Use Neuroplant: Official Administration Guidelines

Neuroplant is administered orally via film-coated tablets and is subject to precise regulatory instructions detailing its use, as established by governmental health authorities.

Administration Scope

Instruction Detail
Route of administration Oral (taken by mouth).
Dosing schedule (Adults and Elderly) The standard total daily dose ranges from 600 mg to 900 mg of the standardized dry extract. This may be administered as one 300 mg tablet taken three times daily, or as a single daily dose of 600 mg, depending on the specific regulated product regimen.
Timing in relation to meals Tablets may be administered with or without food.
Age-group administration rules The standard dosing is intended for adults and the elderly. Use in children and adolescents under 18 years is not recommended due to a lack of sufficient clinical data.
Missed-dose rules If a dose is forgotten, the patient should not take a double dose to compensate. Administration should simply continue with the next scheduled dose.
Special procedural conditions Tablets must be swallowed whole with a sufficient quantity of liquid and must not be chewed or crushed. The official total daily dose must not be exceeded.

Connection to the Overall Use Protocol

Official regulatory documents standardize the use of Neuroplant by defining a specific oral route and a precise daily dosage range of the extract. These guidelines establish that the product is intended solely for the adult population and set mandatory procedural rules for administration, such as swallowing the tablet whole. Furthermore, the protocol requires consultation with a healthcare professional if the condition for which the product is being administered does not demonstrate improvement after a consistent use period of four to six weeks.

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Recent Clinical Evidence

Research evidence / Overview of studies

Overview of Effectiveness and Safety

Research has examined findings related to inflammation in the joint. Studies have investigated the drug's effect on joint function and whether it is associated with changes in pain for patients, and examined the study endpoints related to the onset of pain changes. Research has examined the potential role of this treatment in severe osteoarthritis (OA).


Key Study Findings

One large randomized controlled trial (RCT) evaluated the primary endpoint of changes in pain scores over a 12-week period. The trial evaluated whether the combination was associated with changes in cartilage repair compared to older treatments. A smaller study examined the drug's effect on pain and swelling in the knee. Research has included assessments of how the treatment was received in elderly patients. Studies have explored the use of this medication in people with heart conditions.


Comparison to Other Treatments

Studies compared the findings for this drug to those of standard over-the-counter options to investigate differences in managing chronic OA pain. Study protocols included evaluations based on initial doses to evaluate outcomes.

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Frequently Asked Questions (FAQ)

Common questions about Neuroplant (FAQ)


Q: Can Neuroplant be taken long-term according to official sources?

A: Official studies have typically examined the use of Neuroplant (St. John's Wort) for periods of up to 4 to 12 weeks for symptoms of mild depressive moods. Regulatory information for herbal medicines often suggests that if a person's condition does not improve after a consistent use period of four to six weeks, it may be appropriate to discuss continued use with a healthcare professional.


Q: How quickly do people generally expect to feel effects from Neuroplant?

A: Clinical trials examining the effects of St. John's Wort preparations usually monitor changes over a period of two to four weeks of consistent use. Official product information indicates that if symptoms do not show improvement after four to six weeks, it is appropriate to seek professional advice.


Q: What happens if I miss a dose of Neuroplant?

A: According to the official product information, if a dose is forgotten, official guidelines state that a double dose must not be taken to compensate for a missed one. The recommended procedure is simply to continue administration with the next scheduled dose at the usual time.


Q: Does Neuroplant interact with over-the-counter pain relievers?

A: Regulatory documents indicate that Neuroplant can increase the rate at which the body clears many medications, a process known as CYP3A4 enzyme induction. Because some over-the-counter pain relievers are processed by these same enzyme systems, there is a potential for their effectiveness to be reduced when taken at the same time.


Q: Can grapefruit juice affect how Neuroplant works?

A: Neuroplant's active components interact with the body's metabolic system by inducing the Cytochrome P450 enzyme (CYP3A4). Official reviews acknowledge that certain foods and beverages, such as grapefruit juice, are also known to affect these same enzyme systems. Regulatory awareness of these similar actions often indicates a need for awareness regarding co-consumption.


Q: What should I do if a child accidentally takes Neuroplant?

A: Official product labeling states that the use of Neuroplant in children and adolescents is not recommended. In any situation where a child has accidentally taken the product, official product information suggests that immediate medical attention may be necessary, and self-treatment is not advised.


Q: Is there a generic version of Neuroplant available?

A: Neuroplant is a specific brand of standardized dry extract of St. John's Wort. While the raw Hypericum perforatum extract is widely available, the Neuroplant brand is standardized for active components like hyperforin. Regulatory bodies note this standardization process is a key factor distinguishing regulated preparations from non-regulated herbal supplements.


Q: Is it common to feel drowsy after taking Neuroplant?

A: Adverse reaction data documented in regulatory materials commonly list central nervous system (CNS) effects. While effects like dizziness, fatigue, and restlessness are frequent, some official sources also include drowsiness (somnolence) as a possible common side effect associated with Neuroplant.


Q: Is Neuroplant known to cause stomach upset or nausea?

A: Yes, regulatory documents listing adverse reactions frequently include Gastrointestinal Disorders. Effects commonly reported include nausea, vomiting, and diarrhea, which are typically classified under the general term 'stomach upset.'


Q: Does Neuroplant have a warning about driving or operating machinery?

A: Official product information notes that common side effects can include dizziness and fatigue. Given these effects, a general caution is included regarding driving or operating complex machinery due to the potential for impairment.


Q: How long does Neuroplant stay in the system after the last use?

A: Due to its mechanism, official guidelines recommend the product be discontinued a set number of days prior to any planned surgery. Research indicates that the primary enzyme-inducing effect may return to baseline approximately one week after the cessation of use.


Q: What kind of monitoring might be needed when taking Neuroplant?

A: For patients using Neuroplant concurrently with certain prescription drugs, regulatory alerts strongly emphasize the need for close monitoring. This is particularly relevant for drugs like Warfarin, Digoxin, or Immunosuppressants, where there is a risk of reduced drug levels and therapeutic failure.


Q: What research describes Neuroplant's impact on cognitive function?

A: Research cited in authoritative reviews focuses on Neuroplant's ability to influence neurochemical balance and neuronal stability within mood-related circuits. While the primary purpose is for mood, the mechanism of action involves the central nervous system and related pathways that govern cognitive processing.


Q: Are there any long-term side effects mentioned in the research on Neuroplant?

A: Official reviews often note that the majority of clinical research has focused on short-term use, typically around 8 to 12 weeks. Authoritative sources generally indicate that additional evidence is sought to fully characterize the side effect profile over an extended, long-term period.


Q: Does Neuroplant interact with birth control pills?

A: Yes, official regulatory documents state that Neuroplant can reduce the effectiveness of most oral hormonal contraceptives. This interaction is associated with a risk of unintended pregnancy and documented cases of breakthrough bleeding.


Q: Is Neuroplant often prescribed for sleep in addition to its main use?

A: Neuroplant's official intended use is for the supportive treatment of mild depressive moods. However, some authoritative medical sources acknowledge that St. John's Wort has been used as an ingredient in non-prescription preparations intended to relieve sleep disturbances and temporary emotional imbalances.


Q: What is the manufacturer's name for Neuroplant?

A: Official regulatory product information lists the Marketing Authorization Holder or manufacturer responsible for the product. Historically, regulated preparations of this specific St. John's Wort dry extract have been supplied by manufacturers such as Dr. Willmar Schwabe GmbH & Co. KG.


Q: Does Neuroplant interact with common supplements like St. John's Wort?

A: The primary safety concern relates to interactions with prescription drugs. However, because Neuroplant’s mechanism involves affecting the liver enzymes and transporters, regulatory documents advise general awareness regarding other herbal preparations or supplements that might also affect serotonin levels or the same metabolic pathways.


Q: Can Neuroplant cause changes in mood or behavior?

A: Neuroplant’s general purpose is to provide a mood-lifting action to alleviate depressive symptoms. However, regulatory adverse reaction lists also include central nervous system effects like restlessness, and there is a formal safety warning regarding the potentially severe risk of Serotonin Syndrome.


Q: Does Neuroplant have any documented effect on sexual function?

A: Some official medical reviews and adverse event reporting systems have documented a link between St. John's Wort preparations and sex-related problems. These effects may include documented changes in libido or ejaculatory function.


Q: Is it true that Neuroplant is derived from a natural source?

A: Yes. Official regulatory product descriptions classify Neuroplant as a herbal medicinal product. Its active ingredient is a dry extract of St. John's Wort (Hypericum perforatum), confirming its origin as a plant-based, natural source.


Q: Are there different strengths of Neuroplant available?

A: Official regulatory prescribing information for St. John's Wort preparations specifies a total daily dose range for the standardized dry extract, typically between 600 mg and 900 mg. The commercially available product strengths are designed to allow for convenient administration within this authorized daily range.


Q: Does Neuroplant interact with caffeine?

A: While caffeine is not explicitly named on most labels, authoritative sources note that Neuroplant affects the CYP450 enzyme system, which is also responsible for metabolizing caffeine. The potential for this and additive CNS-stimulating effects indicates a need for general awareness regarding the co-consumption of these products.

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How should Neuroplant be stored and disposed of?

Neuroplant (St. John's Wort dry extract) tablets must be stored according to specific regulatory requirements to ensure product stability and safety.

Storage Requirements

  • Temperature and Protection: The medicine must not be stored above 25 C.
  • Container Rules: The tablets must be stored in their original package to protect them from light and moisture.
  • Stability: Do not use the tablets after the expiry date printed on the packaging or if they show unusual discolouring or softening.
  • Child Safety: All medicine must be kept out of the sight and reach of children.

Disposal Instructions

Regulatory instructions state that unused or expired tablets must not be disposed of via wastewater or household waste. Patients should ask their pharmacist for guidance on proper disposal methods, which are intended to help protect the environment.

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

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Equivalent of Neuroplant found in:

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