Carofertin

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Carofertin

Method of action: Nutritive Agent, Vitamins

Treatment option:

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 Carofertin

Quick Facts

Property Description
Active ingredient Beta-Carotene (β-Carotene)
Form Emulsion for injection
Pharmacological class Provitamin A Carotenoid
General purpose Nutritional replenishment of Vitamin A precursor
Origin Natural compound

What is Carofertin and What Pharmacological Class Does it Belong to?

Carofertin is a specialized veterinary medicinal product, classified as an injectable nutritional supplement, primarily defined by its sole active substance, Beta-Carotene (β-Carotene). This compound falls within the high-level pharmacological class of Provitamin A Carotenoids, serving as a precursor that the body converts into essential Vitamin A (Retinol). This role is clinically recognized as crucial for maintaining key biological functions.

Composition, Form, and Origin of Beta-Carotene

The core composition of Carofertin centers on the active ingredient, Beta-Carotene, an established, naturally occurring organic pigment of the carotenoid family. Unlike standard vitamin preparations, Carofertin is specifically presented as an emulsion for injection—a distinct parenteral preparation. This formulation is a key differentiating factor, as it is designed to ensure reliable and high systemic assimilation of the fat-soluble vitamin precursor, bypassing the common variables and limitations associated with digestive absorption from oral intake.

What is the General Purpose of This Provitamin A Supplement?

The overall purpose of Carofertin is to facilitate nutritional replenishment by providing a stable, readily available source of Provitamin A. This action supports the body's ability to synthesize and maintain adequate reserves of Vitamin A, which is essential for numerous fundamental physiological processes, such as supporting reproductive health in target species. Furthermore, Beta-Carotene itself contributes a separate, inherent benefit by acting as an antioxidant, helping to protect cells from certain types of molecular damage.

What side effects are possible with Carofertin?

Possible Side Effects and Safety Information

The safety characteristics of Carofertin (Beta-Carotene Emulsion for Injection) are documented in regulatory sources and primarily involve reactions related to its formulation and the injection process. The official labeling classifies the most significant adverse events as Very Rare, meaning they are reported in less than 1 in 10,000 animals treated.


Documented Adverse Reactions

Adverse reactions are grouped according to the systems affected. Reactions classified under Immune System Disorders include allergy-related or pseudo-allergic hypersensitive reactions. These reactions can vary in severity and duration, occasionally leading to life-threatening conditions. Fatalities are also documented as Very Rare occurrences in spontaneous post-authorization reports, particularly in cattle.

Under General Disorders and Administration Site Conditions, local swelling at the site of injection is a documented adverse effect. This swelling is considered one of the very rare, expected local safety characteristics.


Safety Restrictions and Precautions

The use of Carofertin is subject to specific safety restrictions outlined in the product information. It is contraindicated in any known case of hypersensitivity to the active substance, Beta-Carotene, or to any of the excipients in the emulsion, such as macrogol stearate.

Special attention is drawn to specific populations: the product is contraindicated for use in newborn animals due to the presence of the excipient benzyl alcohol. Conversely, official documentation permits the use of the medicine during both pregnancy and lactation in the target species. A precaution is also included for the person administering the product, cautioning against the risk of accidental human self-injection.

Overdose and Emergency Response

The official regulatory prescribing information addresses overdose and emergency response for Carofertin (Beta-Carotene Emulsion for injection) with a focus on potential exposure scenarios and mandated actions.

Documented Presentations and Support

The regulatory label does not explicitly document a profile of specific acute clinical signs, symptoms, or corresponding physiological abnormalities resulting from over-administration in the target animal species. Similarly, no specific life-threatening outcomes or severe organ-system effects resulting from overdose are stated in the official regulatory documents. Management guidance is limited to general supportive measures; no specific pharmacological antidote is listed, and no specific requirements for prolonged monitoring or clinical observation following over-administration are documented in the labeling. This approach aligns with the instruction for initiating symptomatic treatment in the event of severe adverse reactions.

When Immediate Help Is Required

Urgent medical attention is formally required in the specific scenario of accidental human self-injection by the user. This is the only mandatory help-seeking instruction detailed within the product’s official safety information. The guidance explicitly mandates that the person administering the product must seek medical advice immediately. To ensure accurate assessment and treatment, the user is also required to show the package leaflet or the label to the treating physician at the time of the consultation.

Therapeutic Uses of Carofertin

What Carofertin Treats: Main Uses and Benefits

Carofertin is commonly used in situations involving certain distressing symptoms linked to nutritional status and is relevant for addressing symptoms related to systemic imbalance stemming from insufficient dietary supply of beta-carotene. The supplement is applied across domains where additional symptomatic support is needed in contexts related to reproduction.

Supporting Fertility and Peripartum Health

This supplement is relevant in contexts marked by increased discomfort or tension related to reproduction. It may assist with managing symptom clusters that interfere with daily comfort, such as poor conception rates or delays in returning to productive breeding status. It is also used to help manage risk factors in conditions associated with acute or disruptive episodes, such as those that may lead to retention of placenta. The therapeutic benefit may contribute to easing the overall symptom load associated with insufficient nutritional supply during high-production phases.

“The primary goal is commonly used to help with providing supportive relief during phases when symptoms that create noticeable physiological strain become more noticeable.”

Quick Fact: Support for Reproductive Strain Focus Symptom Category Addressed
Primary Use Conditions related to beta-carotene deficiency
Symptom Cluster Low conception rates, delayed return to breeding status
Benefit Helps maintain a sense of stability when symptoms are more noticeable

Regulatory References

  1. VMD UK Product Information Database

Eligibility and Restrictions for Use

The official regulatory documents strictly define the population eligibility for Carofertin, restricting its use to specific target species and imposing clear prohibitions based on age and pre-existing conditions.

Eligibility Scope

Category Official Regulatory Statement
Populations Allowed Use is limited to the officially labeled target species: Cattle (cows/heifers) and Pigs (sows).
Populations Contraindicated Newborn animals; Animals with known hypersensitivity to the active substance (Beta-Carotene) or to any excipients (e.g., macrogol stearate).
Age-Related Rules Use is absolutely contraindicated in newborn animals.
Pregnancy/Lactation Status Use is permitted during both the pregnancy and lactation phases in the target species.

Regulatory Summary

The eligibility profile is governed by absolute contraindications as defined in the official regulatory documents. The age-related prohibition for use in newborn animals is explicitly linked to the content of the excipient benzyl alcohol within the formulation. Furthermore, any animal with a documented hypersensitivity to the Beta-Carotene active substance or to an excipient, such as macrogol stearate, is considered ineligible. The use of the product is strictly limited to the designated adult target species: cows/heifers and sows.

What should I know about interactions with other medicines?

Interactions with other medicines and products

This section summarizes the official interaction information for Carofertin (Beta-carotene) as stated in authoritative government regulatory documents, such as the Summary of Product Characteristics (SPC) from regulatory bodies.

Systemic Interaction Profile

The regulatory label for Carofertin explicitly states that no interactions with other medicinal products are known. This declaration signifies that government-approved prescribing information does not list any systemic drug-drug, drug-food, or drug-supplement interactions that require cautionary administration or dosage adjustment based on current clinical and non-clinical data.

Interaction Type Official Regulatory Statement
Drug-Drug Interactions None known.
Metabolic/Transporter Not documented in the label.
Food, Alcohol, Supplements Not documented in the label.

Procedural Constraints

Although no systemic interactions are documented, the regulatory documents specify an essential procedural constraint related to co-administration. Carofertin must not be physically mixed with any other veterinary medicinal products in the same syringe or container. This restriction is mandated due to the absence of compatibility studies, ensuring the stability and safety of the final preparation prior to injection.

Mechanism of Action

Carofertin's activity is rooted in the dual mechanistic actions of Beta-Carotene, modulating gene transcription and providing direct molecular neutralization. The provitamin mechanism is initiated by the enzymatic cleavage of Beta-Carotene into Vitamin A precursors by the beta-carotene 15,15'-dioxygenase ( BCMO1) enzyme. The active metabolite, Retinoic Acid, functions as a ligand that binds to nuclear receptors ( RARs/ RXRs), directly regulating the transcription of specific genes that governs cellular maintenance and differentiation processes. This pathway results in changes to gene expression that modulate processes supporting systemic homeostasis and the integrity of epithelial and reproductive systems. The direct antioxidant mechanism relies on Beta-Carotene's conjugated structure to chemically quench Reactive Oxygen Species ( ROS) and Singlet Oxygen (^1O2). This chemical neutralization prevents destructive lipid peroxidation in cell membranes, resulting in a reduction of ROS that can influence cellular stability. This action influences highly metabolically active tissues, such as those involved in reproductive processes.

Dosage and Administration Information

The administration of Carofertin follows a structured, non-oral protocol. The product, an emulsion, is delivered only via intramuscular injection or subcutaneous injection. Dosing varies based on the target species: Cows and Heifers are administered 20–25 ml per dose, while Sows and Gilts receive 7 ml. Procedurally, the large bovine dose must be divided and administered across several separate injection sites.

The frequency of use is intermittent and cyclical. Non-pregnant animals may receive up to three total doses over the course of treatment, provided a mandatory minimum interval of 14 days is strictly observed between each administration. The treatment schedule is further differentiated by reproductive status: pregnant Sows and Gilts receive a single dose with time-sensitive delivery, specified as 1–2 weeks ante-partum (before the expected date of farrowing). This timing and dose-volume differentiation define the usage protocol, which also includes the requirement that the container is used in one run on multiple animals, with all remaining contents immediately discarded.

Recent Clinical Evidence

Carofertin: Recent Clinical Evidence

Evidence for Nutritional Support and Reproductive Health

The research base for Carofertin, a beta-carotene supplement, focuses on research exploring nutritional deficiency related to reproductive function in cattle. The evidence includes Randomized Controlled Trials (RCTs) and comprehensive scientific reviews. Key research questions examined beta-carotene supplementation and its association with reproductive status in the animals studied, often within the context of systemic imbalance.

Findings indicate patterns where the injection method was associated with a measured increase in beta-carotene concentration in the blood. However, the link between this biomarker increase and changes in final clinical reproductive outcomes, such as pregnancy rates, was observed in some studies, but results were inconsistent across the broader evidence landscape.

Study Focus and Outcomes Measured

Trials evaluating beta-carotene interventions focused on two primary outcomes. The first included clinical endpoints like first service conception rate, overall pregnancy rate, and the time interval for cows to return to breeding status after calving. The second category involved physiological biomarkers such as plasma beta-Carotene concentration and hormone levels like Progesterone ( P4). Data show patterns related to inconsistent findings when correlating the physiological biomarker shift with the clinical outcomes monitored.

Evidence in Special Populations and Limitations

Research focuses heavily on lactating dairy cows and animals in the postpartum period, often those with pre-existing low beta-carotene levels. Currently, data for certain groups remain insufficient; for example, there is limited information for how the evidence applies to populations outside of dairy cattle, such as beef cattle.

The follow-up durations used in the research were limited, typically spanning up to 150 days postpartum. Consequently, long-term effects are not fully established. The main area of uncertainty relates to the translation of a measured change in the biomarker into consistent shifts in clinical outcomes. Evidence quality varies across studies, and some trials used sample sizes that were modest.

Key Studies & References

  1. SPC - Carofertin, 50 mg/ml Emulsion for Injection (Official Veterinary Product Information)

Frequently Asked Questions (FAQ)

Common questions about Carofertin (FAQ)


Q: Are there any long-term safety concerns or risks associated with taking Carofertin for many years?

A: Long-term effects are not fully established in the available research data. This is because clinical research follow-up in the target species was typically limited to periods, such as 150 days postpartum.


Q: What is the significance of the inactive ingredients listed in Carofertin?

A: The excipient benzyl alcohol is specifically noted in the official regulatory documents. The presence of this inactive ingredient is the reason the product is contraindicated (not allowed) for use in newborn animals.


Q: Is there a way to verify if Carofertin contains a substance that is banned by sports organizations?

A: The active ingredient is Beta-Carotene, a Provitamin A Carotenoid. For specific competitions or events, it is advisable to check the full ingredient list against the rules and regulations provided by the relevant anti-doping authority.


Q: How is Carofertin classified in terms of risk during pregnancy, like an FDA pregnancy category?

A: According to the official product information, the use of this medicine is permitted during both the pregnancy and lactation phases in the target species (cattle and pigs). Formal human risk classification systems, such as the historical FDA pregnancy categories, are not applicable to this veterinary medicinal product.


Q: Does Carofertin carry a specific type of warning, such as a Boxed Warning in the US?

A: The product is regulated as a veterinary medicine and does not carry a U.S. Boxed Warning. Regulatory documents include special warnings primarily focused on the risk of accidental human self-injection and documented hypersensitivity reactions.


Q: What kind of monitoring or tests are typically recommended while a patient is taking Carofertin?

A: The official usage protocol emphasizes strict adherence to dose volume, injection route, and mandatory minimum time intervals between administrations. The regulatory documents do not detail routine testing or clinical monitoring recommendations.


Q: Do patients generally experience a withdrawal effect if they stop taking Carofertin suddenly?

A: No information on patient or animal withdrawal effects is provided in the official product information. The regulatory document only specifies the withdrawal period (the time before food products can enter the food chain), which is set at zero days/zero hours.


Q: What is the half-life of Carofertin, and why is this number important?

A: Studies on the active ingredient, Beta-Carotene, indicate it has an elimination half-life of approximately 5 to 7 days. The half-life value is used by pharmacologists to describe the rate at which the substance is eliminated from the body.


Q: Can Carofertin affect the results of routine lab tests or blood work?

A: Official information indicates that as a Beta-Carotene supplement, the medicine can potentially affect the results of blood tests used to measure Vitamin A or carotene levels.

How should Carofertin be stored and disposed of?

How to Store and Dispose of Carofertin?

Storage Requirements

The storage of Carofertin (Beta-Carotene emulsion for injection) is strictly defined by official regulatory guidelines to ensure stability and safety. The product must not be stored above 25°C and it is essential that the medicine is not frozen. To protect the active ingredient from degradation, the container must be kept in the outer carton to shield it from light.

Stability and Child Safety

While the unopened product has a 3-year shelf-life, the contents must be used immediately after the immediate packaging is first opened. Any portion remaining after administration must be discarded immediately. Furthermore, the medicine must be stored out of the sight and reach of children at all times.

Disposal

Disposal of any unused Carofertin or related waste material is required to be carried out in accordance with local requirements for pharmaceutical waste.

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

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