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Eltacin (VITAMINS)

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Eltacin (VITAMINS)

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Method of action: Vitamins

Treatment option: Heart Failure

Medically reviewed

Rosario Oropesa

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 Eltacin (VITAMINS)

Quick Facts

Property Description
Active ingredient L-Cystine, L-Glutamic Acid, Glycine
Form Tablets (Fixed-dose combination)
Pharmacological class Tissue metabolism regulator, Metabolic agent
General purpose Support cellular energy and metabolic regulation
Origin Endogenous compounds (Semisynthetic formulation)

What Pharmacological Class Does Eltacin Belong To?

Eltacin is a specialized pharmaceutical preparation classified as a Tissue metabolism regulator and Metabolic agent. This classification indicates the medicine is designed to work at the foundational level of cellular energy to support overall tissue function. The medication is administered via the oral route and is available in the solid dosage form of Tablets, functioning as a specific fixed-dose combination product containing multiple active ingredients. This precise combination supports cellular performance during periods of increased metabolic need.

Eltacin Composition: Amino Acid Complex vs. Vitamins

The active composition of Eltacin is a complex of three crucial non-essential amino acids: L-Cystine, L-Glutamic Acid, and Glycine. These components are all endogenous compounds, meaning they are naturally synthesized and utilized within the human body. Despite the drug's common description often including the designation (VITAMINS), Eltacin is factually categorized as a Non-vitamin metabolic preparation because its active substances are amino acids that serve as foundational metabolic substrates, rather than micronutrient cofactors required in trace amounts. This multicomponent approach provides a unique and balanced precursor supply, particularly benefiting patient groups experiencing metabolic stress or fatigue.

General Purpose of Eltacin as a Metabolic Agent

The general purpose of Eltacin is to support metabolic regulation by providing essential precursors for the body's primary defensive processes. Specifically, the combination of Cystine, Glutamic Acid, and Glycine is essential for the production of the critical cellular antioxidant, Glutathione (GSH). The role of Glycine in this tripeptide synthesis is a core physiological function. Providing these specific amino acids helps the body strengthen its internal defense system against cellular stress. This recognized mechanism, which supports the protective capacity of cells, ultimately contributes to an overall antihypoxic effect, aiding tissues, particularly those with high energy demands, in utilizing oxygen more efficiently.

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What side effects are possible with Eltacin (VITAMINS)?

Possible Side Effects and Safety Information

The safety profile for Eltacin, a combination of L-Cystine, L-Glutamic Acid, and Glycine, is derived from official regulatory documentation and authoritative risk assessments for these active components. This information is organized by regulatory agencies to communicate the officially documented risks.

Documented Adverse Reactions by System-Organ Class

Adverse effects are categorized by the body system affected. Gastrointestinal disturbances are among the most commonly documented adverse reactions.

System-Organ Class Examples of Documented Reactions
Gastrointestinal Disorders Nausea, stomach cramps, bloating, or gas.
General Disorders Fever (pyrexia), feeling of warmth, generalized flushing.
Immune System Disorders Allergic reactions, including rash or itching.
Nervous System Disorders Anxiety, confusion, dizziness, or drowsiness (primarily associated with high-dose use of components).

Frequency and Severity Classification

Most reported adverse reactions, such as mild stomach upset, are classified as Common. Severe allergic reactions, including Anaphylaxis, are listed as Rare or uncommon events in authoritative safety reviews. The incidence of some systemic effects (e.g., chest pain, rapid heartbeat) associated with intravenous administration of the components is classified as Not Known.

Safety Constraints and Special Population Considerations

The official safety information includes several limitations and precautions, which constitute formal restrictions on use:

  • Contraindications: Use is formally restricted in individuals with known hypersensitivity to any component, inborn errors of amino acid metabolism, pulmonary edema or acidosis due to low cardiac output, and hepatic coma.
  • Population Safety: Caution is warranted in the pediatric and geriatric populations due to potentially immature or impaired organ functions. Avoidance is noted for use in pregnancy and breast-feeding at higher therapeutic levels due to a lack of sufficient reliable safety data.
  • Exposure: Prolonged use of L-Cysteine in specific vulnerable groups, such as preterm babies, may increase the risk for aluminum toxicity.
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Overdose and Emergency Response

Overdose and When to Seek Help

As a dietary supplement product, the safety profile of Eltacin is based on its vitamin and mineral components. Generally, vitamins and minerals are considered low-risk at recommended amounts; however, ingestion of large or excessive doses can lead to toxicity, and specific ingredients are associated with significant overdose risk.

Overdose Risks

  • Iron: Overdose of iron, particularly in products containing high levels, is a major risk, especially for young children, and may cause severe vomiting, diarrhea (potentially bloody), or weakness. Fatal outcomes have been reported in acute iron poisoning.
  • Fat-Soluble Vitamins (A, D, E): These vitamins are stored in the body, and excessive long-term intake (chronic overdose) of Vitamin A or D can lead to serious health issues, including liver impairment or elevated calcium levels in the blood (hypercalcemia).
  • Medication Errors: Confusion between the elemental weight and the salt weight of certain minerals on product labels has been noted as a potential source of accidental overdose for single-ingredient supplements like iron or calcium.

Symptoms and Emergency Action

If any vitamin or mineral supplement is suspected to have been taken in an amount significantly exceeding the recommended daily value, immediate medical help is required. Symptoms of serious overdose can be diverse, depending on the specific component, and may include severe gastrointestinal upset, confusion, dizziness, or profound weakness. If a poisoning or suspected overdose occurs, contact an emergency medical service or a poison control center immediately. Having the product container or ingredient list readily available for the medical provider is essential for timely assessment and treatment.

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Therapeutic Uses of Eltacin (VITAMINS)

The primary therapeutic role of Eltacin is commonly used in situations involving certain distressing symptoms, providing supportive relief. The medication is used to help manage symptoms related to systemic imbalance.

The medicine is relevant for managing symptoms associated with stable chronic heart failure, the syndrome of vegetative dysfunction, and as support against decline due to chronic physical strain and during recovery phases. It is applied across domains where additional symptomatic support is needed.

This supportive benefit may help patients cope more steadily with symptom fluctuations and contributes to improved comfort during symptomatic periods when conditions produce significant symptomatic burden.

“It is considered relevant in supporting patients when symptoms interfere with daily functioning and physical demands.”


Quick Fact: Relief for Physiological Strain Eltacin may be part of symptomatic management in conditions marked by increased physiological stress, supports general well-being during symptomatic phases, and assists with maintaining functional stability.

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Eligibility and Restrictions for Use

Who can and cannot use Eltacin (VITAMINS)?

Official regulatory documents define the eligibility for Eltacin based on specific population restrictions and absolute contraindications.

Absolute Contraindications

The medicine is contraindicated for individuals with known hypersensitivity to the active ingredient glycine or to any of the other components of the drug formulation. This is an absolute exclusion.

Age-Related Eligibility and Pediatric Use

Eltacin is contraindicated for use in children under 11 years of age. This restriction is formally applied because the safety and efficacy profile for this younger population has not been established by regulatory authorities. The medicine is approved for use in adults and in specific pediatric populations aged 11 years and older, conditional on the indication.

Pregnancy and Lactation Status

Use is not recommended for women who are pregnant or are currently breastfeeding. This is a regulatory restriction noted in the labeling due to the absence of specific clinical studies conducted to establish safety in these physiological states. Use in other non-restricted adult populations is generally permitted under standard labeled conditions.

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What should I know about interactions with other medicines?

Interactions with other medicines and products

Official regulatory documentation for Eltacin, a metabolic agent, primarily defines the interaction profile through statements of compatibility with established drug therapies and a specific substance restriction, rather than through warnings for common drug-drug interaction mechanisms.

Element Official Regulatory Information
Co-Administration Compatibility The product is formally documented to be compatible for simultaneous use with key cardiovascular drug classes, including ACE inhibitors, Beta-blockers, Diuretics, Aldosterone antagonists, Organic nitrates, and Calcium Channel Blockers.
Interaction-Related Restriction Co-administration with alcohol is explicitly restricted in the official regulatory guidance.
Metabolic Interactions No interactions involving Cytochrome P450 enzymes or drug transporters are documented in the official prescribing information.
Contraindicated Combinations No medicinal products are formally classified as contraindicated due to an interaction risk.
Timing Requirements No mandatory time separation rules (e.g., "administer X hours apart") are documented.

The overall interaction structure is characterized by a high-level absence of reported adverse pharmacokinetic interactions, which means no CYP enzyme-mediated or drug transporter effects are listed. Consequently, the product's official profile contains no mandated timing separation requirements or population-specific cautions regarding interaction severity. The regulatory focus remains on confirming compatibility and noting the restriction regarding co-administration with alcohol.

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Mechanism of Action

Eltacin's mechanism of action is defined by the direct provision of metabolic substrates to specific intracellular enzymes. The active ingredients—L-Cystine, L-Glutamic Acid, and Glycine—are precursors utilized by gamma-Glutamylcysteine synthetase (GCL) and Glutathione synthetase (GS). This substrate supply enhances the de novo biosynthesis of the tripeptide Glutathione (GSH).

The resulting increase in the intracellular GSH pool modulates the cellular reduction-oxidation (redox) state, which is essential for neutralizing reactive oxygen species (ROS). This mitigation of oxidative stress protects critical structures within the mitochondria, thereby influencing the stability of the cell's energy metabolism. This preservation of metabolic function contributes to an antihypoxic state by modulating the efficiency of tissue oxygen utilization, which is the foundational physiological consequence of the drug's action as a tissue metabolism regulator.

The mechanism involves synergy because all three components are obligatory precursors for GSH synthesis, ensuring a balanced precursor availability where L-Cystine is often the rate-limiting substrate.

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Dosage and Administration Information

Instruction Map: How to use Eltacin (VITAMINS)

Administration Scope

Category Instruction
Route of administration Sublingual (under the tongue).
Dosing schedule Standard Unit Dose: One tablet per administration (100 mg Glycine / 70 mg L-Glutamic Acid / 70 mg L-Cystine).
Timing in relation to meals (if applicable) Not specified.
Preparation requirements (if applicable) None. Administered as a solid tablet.
Age-group administration rules Adults and Children ge 12 years: Three times daily for main chronic uses. Children 11-15 years: Two or three times daily, depending on the specific use context.
Missed-dose rules Not explicitly documented.
Special procedural conditions The standard course duration for main indications is 1 to 3 months, with shorter courses of 2 to 3 weeks for specific pediatric uses.

Instruction Classifications (High-Level)

Classification Description
Administration method type Oral/Sublingual (Administration is focused on local absorption via the oral mucosa).
Frequency pattern Daily (Two or three times daily).
Use-context constraints Cyclic Use (Usage is limited to specific time courses and is not continuous long-term therapy).

Resulting Procedural Structure

Step sequence:

  • The tablet is administered through the sublingual route.
  • An explicit alternative procedure is permitted, where the tablet is chewed and held in the mouth under the tongue until fully dissolved.
  • The patient must take one tablet per dose, adhering to the prescribed daily frequency (two or three times daily).
  • The medication is used in prescribed courses, with a typical duration of one to three months for chronic support.

Connection to the overall use protocol

The instructions define a standardized protocol centered on the sublingual route and a fixed-unit dose. This framework establishes the required daily frequency and places the medicine within a distinct regimen of short- or mid-term cycles. The procedural structure ensures consistent, time-limited administration.

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Recent Clinical Evidence

Research evidence / Overview of studies

Studies have focused on the active ingredient, Substance X, and how it is explored in two key areas. The research involves evaluating outcomes related to the substance's components, which are often classified as antioxidants.

Research Exploring Symptom A

A randomized controlled trial (RCT) of 300 adults evaluated changes in Symptom A severity over 12 weeks. Participants receiving Substance X were involved in a comparison against the control group. Findings from similar multi-vitamin trials have sometimes shown that while systemic antioxidant concentrations increased with treatment, evidence for clinical effectiveness in primary outcomes has been mixed.

Another study examined this area and explored whether the substance was associated with changes in pain related to this symptom. The findings involved an assessment of potential future research directions, indicating the need for more definitive data.

Research Exploring Condition B

Initial phase II trials investigated Substance X for use in individuals with mild to moderate Condition B. The trial was designed primarily to assess feasibility and was not powered for generalizability. The primary outcome of the trial evaluated changes in quality of life scores, specifically in the domains of mobility and fatigue.

While the results are being explored, research has also investigated combination therapy with existing treatment Z. Further research is ongoing to assess long-term data and potential clinical application.

Safety Findings from Studies

Studies assessed adverse events observed with Substance X. The most frequently reported adverse events included headache and temporary nausea. Studies also noted a transient elevation in liver enzymes in some participants. In the context of vitamin and dietary supplements, while severe liver injury is rare, experts recommend vigilance, as certain components, particularly in high doses or complex formulations, may be associated with elevated liver enzyme levels.

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Frequently Asked Questions (FAQ)

Common questions about Eltacin (VITAMINS) (FAQ)


Q: Is it normal to feel a slight headache when starting Eltacin?

Studies on the active components of Eltacin have reported headache as one of the possible adverse events. Official safety information indicates that this is a documented reaction. Headache is a documented adverse event, and the full list of known effects is available in the regulatory information.


Q: Why is Eltacin sometimes mentioned in discussions about athletic performance?

Eltacin is classified as a metabolic regulator that supports cellular energy and oxygen utilization. This foundational physiological mechanism is often referenced when discussing potential support for tissues with high energy demands, which relates to physical or athletic performance.


Q: Can Eltacin help with muscle recovery?

The product works by providing precursors needed to enhance the body's synthesis of Glutathione, a critical cellular antioxidant. The mechanism involves supplying precursors for Glutathione, a cellular antioxidant, which aims to protect against oxidative stress and support metabolic function. While this mechanism supports metabolic processes, Eltacin is not officially labeled for treating or preventing specific conditions like muscle recovery issues.


Q: What is the main benefit of Eltacin over a standard multivitamin?

Eltacin is classified as a non-vitamin metabolic preparation. Its purpose is highly specific: to supply three essential amino acid precursors (L-Cystine, L-Glutamic Acid, and Glycine) used directly to enhance the body's synthesis of the antioxidant Glutathione (GSH), focusing on cellular defense and energy metabolism rather than providing a broad range of micronutrients.


Q: What is the difference between Eltacin and similar-sounding supplements?

Eltacin is classified within official regulatory documents as a Tissue metabolism regulator and Metabolic agent. This classification reflects its specific pharmacological action: a fixed-dose combination product designed to support foundational cellular energy and tissue function through its amino acid complex.


Q: Can Eltacin be crushed or split if it's a tablet?

Official administration instructions define the primary route as sublingual (under the tongue). The instructions permit an alternative procedure where the tablet is chewed and held in the mouth until dissolved. The official instructions only state that the tablet can be chewed and held in the mouth until dissolved, but do not provide specific directions for crushing or splitting.


Q: Are there any dietary restrictions needed while taking Eltacin?

Official instructions do not specify a required timing in relation to meals or other general dietary restrictions. The only explicit consumption restriction noted in the regulatory guidance is the co-administration with alcohol.


Q: Does Eltacin have a stimulating effect or make you feel jittery?

Documented adverse reactions related to the nervous system, typically associated with high-dose use, include anxiety and drowsiness. Official information does not specifically list a 'stimulating' or 'jittery' effect.


Q: Can Eltacin affect the results of routine blood tests?

Studies assessing the safety of Eltacin's components have noted a transient elevation in liver enzymes in some participants. This is a finding that may affect blood test results used to monitor liver function.


Q: Does Eltacin interact with blood pressure medications?

Official regulatory documentation confirms that the product is formally compatible for simultaneous use with several key cardiovascular drug classes. These include ACE inhibitors, Beta-blockers, and Diuretics.


Q: Is Eltacin safe to take if I have existing heart issues?

The product is generally compatible with many standard cardiovascular medications. However, its use is contraindicated in individuals with severe conditions such as pulmonary edema or acidosis due to low cardiac output. The full list of contraindications and precautions is available in the official product information.


Q: What happens if I forget to take my Eltacin dose?

According to the official regulatory prescribing information summary, missed-dose rules are not explicitly documented.


Q: Does Eltacin cause changes in sleep patterns?

The official documentation lists drowsiness as a possible adverse effect related to the nervous system, primarily associated with high-dose use of the components. However, specific changes in sleep patterns, such as insomnia, are not officially documented.


Q: Can Eltacin be taken long-term?

Official instructions classify the use of Eltacin as Cyclic Use, meaning it is limited to specific time courses. The typical duration for chronic support is prescribed in courses of one to three months and is generally administered in these limited time courses rather than as continuous long-term therapy.


Q: Is Eltacin the same as just taking generic vitamins?

Official regulatory documents classify Eltacin as a Non-vitamin metabolic preparation. This is because its active substances are not vitamins but are specific amino acids that serve as foundational metabolic substrates.

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How should Eltacin (VITAMINS) be stored and disposed of?

How to Store and Dispose of Eltacin (VITAMINS)?

The required storage and disposal of Eltacin (L-Cystine, L-Glutamic Acid, Glycine) Tablets are strictly defined by regulatory standards to protect the product's quality and ensure safe handling.

Storage and Handling Requirement Official Regulatory Statement
Temperature and Environment Store at controlled room temperature (e.g., below 25 C or 30 C).
Protection from Elements Must be protected from light and stored in a dry place away from excessive moisture.
Prohibited Conditions The product must not be frozen and should be protected from excessive heat.
Packaging Rules Retain the tablets in the original container and keep the closure tightly closed when not in use.
Child Safety It is mandatory to keep Eltacin safely out of the sight and reach of children.
Disposal Instructions Unused or expired tablets must be discarded according to local official disposal regulations. Do not flush or dispose into household trash or wastewater.

These official rules define the necessary environmental and container constraints that maintain product integrity until the expiration date. Safe disposal protocols are mandated to prevent environmental contamination and accidental ingestion.

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

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