Vitamina C MK

Quick links to important sections

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.

Overview of Vitamina C MK

What is Vitamina C MK? Defining an Essential Nutrient

Property Description
Active ingredient Sodium Ascorbate (Monosodium L-ascorbate)
Form Water-soluble salt (Mineral Ascorbate)
Pharmacological class Vitamin / Antiscorbutic Agent
Common use Prevention and correction of Vitamin C deficiency
Origin Derived/Synthetic

Defining Vitamina C MK: Classification and Chemical Composition

Vitamina C MK is a specific pharmaceutical preparation and nutritional supplement that provides the essential micronutrient Vitamin C to the body. Its pharmacological class is consistently recognized as a Vitamin and an Antiscorbutic Agent, confirming its established role in preventing deficiency states.

The product's identity is founded on its single active ingredient, which is Sodium Ascorbate, chemically defined as the monosodium salt of L-Ascorbic Acid (Vitamin C). Sodium Ascorbate (C6H7NaO6) is derived through a synthetic process that uses high-purity Ascorbic Acid as a precursor. Vitamina C MK is a brand name preparation from the manufacturer MK, available in various dosage form(s), such as capsules, tablets, or injectable solutions, facilitating either oral or parenteral administration.


Sodium Ascorbate: The Buffered Difference and General Purpose

Sodium Ascorbate is chemically distinct from pure Ascorbic Acid due to its composition as a mineral ascorbate that maintains a near-neutral, or buffered, pH. This buffered quality is a key formulation feature, supported by pharmacological studies, as it is often utilized to enhance gastrointestinal tolerance in individuals who experience digestive discomfort or acidity when consuming the highly acidic free Ascorbic Acid form.

The general function of Vitamina C MK is to serve as an exogenous source of Vitamin C for humans, who are unable to synthesize this essential nutrient internally. The primary purpose is to prevent or correct deficiency states. The compound is vital for supporting numerous biological functions, operating as a potent reducing agent (antioxidant) that aids in protecting cells from damage caused by free radicals. Furthermore, its essential function in collagen formation is clinically recognized for supporting tissue and blood vessel integrity.

Regulatory References

  1. Vitamin C (Ascorbic Acid) StatPearls
  2. Ascorbic Acid (Vitamin C) Drug Information

What side effects are possible with Vitamina C MK?

Possible Side Effects

Vitamina C (Ascorbic Acid) is generally well-tolerated, particularly at recommended daily intake levels. Side effects are most common with high-dose supplementation (typically over 2,000 mg/day) and usually involve the gastrointestinal system.

System Affected Common Side Effects (High Doses)
Gastrointestinal Nausea, vomiting, diarrhea, abdominal cramps, heartburn, gas
Other Headache, fatigue, flushing

Serious Warnings and Precautions

Tolerable Upper Intake Level (UL)

The Tolerable Upper Intake Level (UL) for vitamin C in adults is 2,000 mg (2 grams) per day. Sustained intake above this amount increases the risk of adverse effects. Exceeding this limit is not recommended unless under medical supervision.

Risk of Kidney Stones

High doses of vitamin C can increase the urinary excretion of oxalate, which may elevate the risk of kidney stone formation in individuals with a history of kidney stones or existing kidney disease.

Contraindications and Interactions

Vitamin C supplementation is contraindicated in certain conditions, including:

  • Hemochromatosis: Vitamin C increases iron absorption, which can be harmful in this condition causing excess iron storage.
  • Glucose-6-phosphate dehydrogenase (G6PD) deficiency: High doses may cause hemolysis (the destruction of red blood cells).

Patients taking certain medications should consult a healthcare professional before using vitamin C supplements, as it may interact with:

  • Anticoagulants (e.g., Warfarin)
  • Certain chemotherapy agents
  • Antacids containing aluminum (increases aluminum absorption)

Laboratory Testing Interference

High vitamin C intake may interfere with the results of certain laboratory tests, including blood glucose and occult blood in stool tests, potentially leading to inaccurate readings. Patients should inform their healthcare providers of vitamin C use before any testing.

Overdose and Emergency Response

Overdose Manifestations and When to Seek Help

Vitamina C MK (Sodium Ascorbate) overdose is officially documented to result in specific clinical manifestations, requiring mandated emergency action. Early signs often involve gastrointestinal disturbances, including nausea, vomiting, diarrhea, abdominal pain, and indigestion. Systemic symptoms such as flushing of the face, headache, fatigue, and disturbed sleep are also reported in regulatory documents.

The primary severe risk associated with high-dose exposure relates to renal function. Officially documented outcomes include the formation of renal oxalate calculi (kidney stones) and oxalate nephropathy, which can progress to acute renal failure and metabolic acidosis. Furthermore, patients with Glucose-6-phosphate dehydrogenase (G6PD) deficiency are explicitly noted to be at risk for severe hemolysis. Individuals with pre-existing renal impairment face an increased risk of these severe outcomes at elevated doses.

If overdose is suspected, immediate medical attention is mandated by official regulatory authorities. It is required to consult a doctor, hospital, or poison control center immediately, even if symptoms appear mild. Management in overdose is generally symptomatic and supportive, employing general measures to address the manifestations. Official labeling notes that no specific antidote is available for Ascorbic Acid overdose, and procedures like gastric lavage may be considered for recent high-dose ingestion.

Therapeutic Uses of Vitamina C MK

Vitamina C MK is an established therapeutic option primarily used for the management and supportive care of conditions linked to a deficiency in ascorbic acid. This medication is indicated for specific clinical scenarios, including the prevention and treatment of scurvy, a condition caused by inadequate Vitamin C levels. It can also be considered to address general symptoms of a nutritional deficiency, such as fatigue and overall weakness, when related to low Vitamin C intake.

It can provide assistance in addressing the non-specific discomfort and fatigue that may accompany common infections, such as the common cold. Vitamina C MK contributes to the body's processes that support normal immune function and is involved in the maintenance of connective tissues and wound healing.

Quick Fact: Vitamina C MK is used to address symptoms associated with deficiency and provides supportive care during recovery from the common cold.

Eligibility and Restrictions for Use

Eligibility for Vitamina C MK (Sodium Ascorbate)

Official regulatory documents define specific populations who are permitted, restricted, or prohibited from using Vitamina C MK (Sodium Ascorbate) based on pre-existing conditions and physiological status.

Classification Eligibility Status (Official Regulatory Text)
Contraindicated Populations Individuals with known hypersensitivity to sodium ascorbate or excipients. Patients with Glucose-6-Phosphate Dehydrogenase (G6PD) deficiency. Patients with hyperoxaluria (excessive oxalate in urine).
Restricted/Cautioned Use Patients with a history of kidney stones or existing renal impairment due to the risk of oxalate crystal formation. Individuals with conditions causing iron overload, such as Thalassemia or Hemochromatosis. Patients on a sodium-restricted diet (due to the sodium content in the formulation).
Age-Group Eligibility Use is established in pediatric patients (including infants and children) for the labeled treatment of deficiency. Adults and older adults are the standard population for therapeutic use.
Reproductive Status Use during pregnancy and lactation is not recommended to exceed the official U.S. Recommended Dietary Allowance (RDA) or Adequate Intake (AI) level for the condition.

Regulatory authorities require that use be avoided in certain high-risk metabolic groups and carefully managed where high-dose use might compromise renal function or exacerbate iron toxicity.

What should I know about interactions with other medicines?

Interactions with other medicines and products

Interactions with ascorbic acid (Vitamin C) are primarily based on its effects on gastrointestinal absorption of other substances and its antioxidant properties. Patients should be aware of documented interactions with specific medication categories and products.

Documented Interacting Substances

Category Interaction Constraint
Aluminum-Containing Antacids Increased absorption of aluminum, raising the risk of toxicity, especially in patients with kidney impairment. Must separate administration by at least two to four hours.
Anticoagulants (e.g., Warfarin) High doses of ascorbic acid may reduce the effectiveness of blood thinners, requiring closer monitoring of clotting parameters.
Chemotherapy Agents May reduce the effectiveness of certain agents (e.g., alkylating agents, antitumor antibiotics) due to its antioxidant effect.
Estrogens (Hormone Therapy) May decrease the clearance rate of estrogens, potentially increasing their levels in the body.
Iron Preparations Significantly increases the absorption of dietary and supplemental iron, a concern for individuals with conditions like hemochromatosis.
Diabetes Medications High doses can interfere with certain urine and blood glucose testing methods, leading to false readings; this requires careful consideration of testing procedures.

These interactions are not exhaustive but represent the most clinically relevant constraints requiring attention from healthcare providers and patients to ensure safe and effective use.

Mechanism of Action

How Vitamina C MK Works

The mechanism of action for Vitamina C MK is defined by the function of L-Ascorbate as a versatile reducing agent and essential enzyme cofactor in multiple, parallel biological pathways.

Cofactor Action for Structural Framework

L-Ascorbate is primarily required as a cofactor to maintain the active state of prolyl and lysyl hydroxylase enzymes. By donating electrons, it enables these enzymes to stabilize the developing collagen protein structure. This molecular action determines the formation of cross-linked connective tissues and collagenous vascular walls, providing the necessary structural framework for the body.

Non-Enzymatic Cellular Redox Modulation

L-Ascorbate functions as a water-soluble reducing agent (antioxidant), working outside and inside cells to directly neutralize various Reactive Oxygen Species (ROS), such as free radicals. This mechanism involves scavenging free radicals, which reduces the potential for oxidative modification of critical cellular components. This defense system modulates the body’s overall redox state, a mechanism required for cellular metabolic processes and the integrity of macromolecules.

Regulation of Neurochemical and Metabolic Pathways

The final key mechanistic domain involves L-Ascorbate’s role as a cofactor for dopamine beta-hydroxylase, facilitating the synthesis of the neurotransmitter norepinephrine. Furthermore, its reducing properties regulate the absorption of non-heme iron in the gut. These metabolic co-functions facilitate the synthesis of a key catecholamine and regulate the process of iron absorption.

Dosage and Administration Information

How to Use Vitamina C MK: Administration Guidelines

Vitamina C MK (Sodium Ascorbate) is administered according to specifications which detail the appropriate route, dose, and duration for the correction of Vitamin C deficiency states. The medicine is available for both oral and parenteral use, which includes intravenous (IV), intramuscular (IM), and subcutaneous (SC) routes.

Standard Dosing Regimens

The required dose and route are determined by the severity of the deficiency. For established scurvy, the treatment involves daily administration over a defined period. Adults requiring treatment for scurvy via the intravenous route are typically administered 200 mg once daily as a slow infusion. Alternatively, general corrective dosing for adults and children may range from 100 mg to 250 mg administered one to three times daily via oral or parenteral routes.

Procedural and Time-Based Constraints

The duration of treatment for scurvy must continue for a minimum of two weeks or until all clinical signs have resolved. For the injectable solution, administration is highly controlled:

  • Preparation: The concentrated injectable solution must be diluted in a suitable vehicle, such as 5% Dextrose Injection, to ensure the final product is isotonic and is not to be administered undiluted.
  • Rate: Administration via the intravenous route is mandatory as a slow infusion.
  • Pediatric Use: Dosing for pediatric patients is adjusted by age, with younger children (e.g., 5 months to 11 years) receiving a lower daily dose via slow IV infusion for a maximum recommended duration of seven days per course.

Oral forms of Sodium Ascorbate may be taken with or without food. These procedural instructions define the standardized approach to administering the medicine, as detailed in regulatory documents.

Recent Clinical Evidence

Research evidence / Overview of studies for Vitamina C MK

Evidence for use in Severe Congenital Protein C Deficiency

Vitamina C MK was studied for severe congenital Protein C deficiency, a condition characterized by episodic or acute changes related to coagulation. Researchers have explored this in short-term randomized trials and observational studies. The studies primarily examined outcomes related to systemic or functional imbalance, such as how measurements of acute coagulation outcomes changed and monitored shifts in coagulation markers.

Findings from the available research describe patterns observed in the studies over short time intervals. Because this is a very rare condition, the sample sizes were modest in the short-term trials and observational cohorts. Research highlights changes measured during the study period for both the populations receiving Vitamina C MK and those in comparison groups. These findings contribute to understanding symptom patterns in patients with this specific condition.

Evidence for use in Thrombotic Complications in Severe Sepsis

The use of Vitamina C MK in patients with severe sepsis and associated thrombotic complications was evaluated in several large-scale Randomized Controlled Trials (RCTs). This research examined outcomes that reflect physiological strain or stress, most notably all-cause mortality measured at 28 days and 90 days, and the severity and duration of organ failure. The study populations included critically ill adult patients diagnosed with severe sepsis.

The data show patterns related to mortality and organ failure in the studied populations, but the findings were mixed across the primary trials. While some trials reported a difference in these measurements, others did not observe this difference. This means the research findings related to these outcomes are not consistent across all trials. Research provides insight into short-term changes under the specific conditions of critical care.

What is Still Uncertain About Vitamina C MK Research

Research on Vitamina C MK is ongoing, but certainty remains low in several key areas. The results from the large-scale sepsis trials were mixed, meaning the overall research landscape currently shows mixed findings. Furthermore, there is limited information for long-term outcomes for patients using the substance over many years.

Comparative evidence is lacking for many aspects, meaning it is not always clear how the observations relate to other supportive care or non-drug approaches. Finally, the results apply only to the populations studied, and the high degree of variability in the condition (especially sepsis) means research does not determine whether an individual will respond similarly.

How should Vitamina C MK be stored and disposed of?

How to Store and Dispose of Vitamina C MK

Vitamina C MK (Sodium Ascorbate) must be stored at controlled room temperature, typically 20 C to 25 C (68 F to 77 F). The product requires protection from light and moisture; the container must be kept tightly closed and stored in a dry place.

Stability and Handling

Certain multi-dose injectable formulations carry an in-use stability limit, requiring the unused portion to be discarded within four hours of the initial vial puncture. The medicine must be kept out of the reach and sight of children.

Disposal

Expired or unused product and its container must be disposed of in accordance with all applicable local regulations and to an approved waste disposal plant. Release into drains, water courses, or onto the ground is to be avoided.

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

Available in countries:

Equivalent of Vitamina C MK found in:

A-Z Index: