Advertisements

Slow-Mag B6

Quick links to important sections

Slow-Mag B6

Advertisements
Advertisements

Method of action: Mineral, 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.

Advertisements

Overview of Slow-Mag B6

Property Description
Active Ingredients Magnesium Chloride, Pyridoxine Hydrochloride
Form Film-Coated Tablet (Sustained-Release)
Pharmacological Class Mineral and Vitamin Supplement
Common Use Replenishment of essential micronutrients
Origin Synthetic Inorganic Salt and Synthetic Vitamin Compound

What Type of Product is Slow-Mag B6?

Slow-Mag B6 is classified as a combination mineral and vitamin supplement that is administered via the oral route. It functions as an over-the-counter (OTC) preparation and belongs broadly to the pharmacological class of electrolyte sources and B-group vitamins, intended to supply essential micronutrients. The formulation is primarily manufactured in the United States and is designed for addressing known magnesium deficiencies.

The product is a combination preparation explicitly formulated to deliver the mineral Magnesium and the vitamin Pyridoxine (Vitamin B6). Its fundamental role is to support the body’s maintenance of nutritional balance, acting distinctively from primary therapeutic drugs by focusing on the essential mineral replenishment necessary for basic physiological functions, such as nerve transmission and muscle contraction.

Composition and the Sustained-Release Formulation

The active ingredients in Slow-Mag B6 are Magnesium Chloride and Pyridoxine Hydrochloride, presented in a specialized film-coated tablet form. Magnesium Chloride is a highly water-soluble inorganic salt that supplies the elemental Magnesium cation (Mg^2+). Pyridoxine Hydrochloride is the synthetic form of Vitamin B6 and acts as an essential metabolic cofactor.

A unique and defining characteristic of the preparation is its sustained-release (or slow-release) formulation. The tablet matrix is engineered to gradually release the active components in the gastrointestinal tract over several hours. This specialized mechanism is intended to optimize the absorption of the mineral component, as the slower delivery maximizes the overall amount of elemental Magnesium available for the body’s use. Furthermore, the combination of Magnesium with Pyridoxine is intended to facilitate the cellular uptake and retention of the mineral.

General Purpose: Addressing Micronutrient Deficiencies

The general purpose of the Slow-Mag B6 supplement is to help maintain and restore appropriate levels of both Magnesium and Vitamin B6 in individuals, particularly adults. This approach is relevant for addressing deficits in these essential micronutrients that may arise from insufficient dietary intake or increased bodily demand. By ensuring the supply of these two coupled nutrients, the preparation provides vital metabolic support and helps guarantee that key processes, including the maintenance of electrolyte balance and efficient energy metabolism, can proceed without impairment.

Advertisements

What side effects are possible with Slow-Mag B6 ?

Possible Side Effects and Safety Information

The safety profile for Slow-Mag B6 is based on adverse reaction data documented by government regulatory agencies for its active components: Magnesium Chloride and Pyridoxine Hydrochloride (Vitamin B6). This section details the officially documented effects and safety constraints, without providing medical advice.


Documented Adverse Reactions

The most frequent adverse reactions for oral magnesium salts typically involve the gastrointestinal system.

System or Organ Class Officially Documented Adverse Reactions
Gastrointestinal Disorders Diarrhea, abdominal pain/cramps, nausea
Vascular/Systemic Flushing (skin reddening), sweating (linked to high-dose Mg^2+ exposure)
Nervous System Disorders Peripheral neuropathy (linked to long-term, high-dose Pyridoxine)

Serious Safety Risks and Contraindications

Official regulatory documents note that serious reactions are generally associated with overexposure or intoxication (hypermagnesemia) from the magnesium component, which can lead to life-threatening events such as Hypotension (sharply lowered blood pressure) and Respiratory Depression.


Population-Specific Safety Constraints

The use of products containing Magnesium Chloride carries specific restrictions based on how the mineral is processed by the body:

  • Renal Impairment: The supplement is officially contraindicated in individuals with renal impairment (kidney problems) due to the significant risk of Magnesium accumulation.
  • Marked Myocardial Disease: Caution is noted, and use is restricted in patients with marked myocardial disease.

Duration-Related Safety Pattern

Peripheral neuropathy is explicitly associated with long-term, high-dose administration of Pyridoxine.

Advertisements

Overdose and Emergency Response

Overdose and When to Seek Help

The official overdose profile for Slow-Mag B6 (Magnesium Chloride and Pyridoxine Hydrochloride) is based on the distinct toxicities of its two active components, Magnesium and Vitamin B6. This information is derived from authoritative government regulatory sources.

Magnesium Toxicity: Manifestations and Severity

Overdosage of magnesium can lead to a state of hypermagnesemia. The initial clinical warning sign of advancing intoxication is the depression or disappearance of deep tendon reflexes (DTRs), such as the patellar reflex. As plasma concentrations rise, severe outcomes may include hypotension, flaccid paralysis, and life-threatening complications such as respiratory paralysis and cardiac arrest.

Magnesium overdose risk is significantly increased in individuals with renal impairment since the kidneys are solely responsible for magnesium elimination.

Pyridoxine Toxicity

Chronic, high-dose exposure to Pyridoxine (Vitamin B6) is associated with the development of a sensory neuropathy, characterized by symptoms like numbness, tingling, or an unsteady gait.

Emergency Actions

Immediate medical attention must be sought if an overdose is suspected, especially if symptoms include passing out or trouble breathing.

For severe magnesium overdose, the required emergency action is the administration of an injectable calcium salt (e.g., calcium gluconate) to counteract the systemic effects of magnesium, alongside the provision of supportive care, such as artificial ventilation if respiratory paralysis occurs. In the case of Pyridoxine toxicity, all supplemental B6 must be stopped immediately.

Advertisements

Therapeutic Uses of Slow-Mag B6

Magnesium is relevant for easing symptoms related to systemic imbalance. Slow-Mag B6 is commonly used to help with deficiency-related symptoms that interfere with daily functioning by providing necessary micronutrient support.

This preparation is relevant for easing symptoms related to systemic imbalance and increased neurological or muscular activity. The common indications managed may assist with recurrent muscle cramps, spasms, and persistent fatigue symptoms that create noticeable physiological strain. This approach is commonly used to support patients during episodes of heightened discomfort.

“It contributes to improved comfort by supporting general well-being during symptomatic phases.”

The overall therapeutic role is to contribute to easing the overall symptom load and may help patients cope more steadily with these disruptive manifestations when they stem from chronic nutritional shortcomings. It is applied in addressing conditions requiring consistent nutritional replenishment to help maintain a sense of stability when symptoms are more noticeable.


Quick Fact: Relevant for symptoms related to physical discomfort

Regulatory References

  1. MedlinePlus Medical Encyclopedia overview
Advertisements

Eligibility and Restrictions for Use

Eligibility and Contraindications for Slow-Mag B6

Official regulatory documents define specific populations who are restricted from using Slow-Mag B6 (magnesium chloride/carbonate and pyridoxine) due to potential safety risks. Use is generally allowed for adults who do not have documented pre-existing conditions that contraindicate its use.

Non-Eligibility Group Regulatory Classification Basis of Restriction
Severe Renal Impairment Contraindicated Risk of magnesium accumulation leading to hypermagnesaemia.
Hypermagnesaemia Contraindicated Use is prohibited due to already elevated serum magnesium levels.
Known Hypersensitivity Contraindicated Allergy to magnesium, pyridoxine, or any other component in the formulation.
Pediatric Population Not Suitable / Restricted Use is often explicitly stated as not suitable for children in some product labeling.
Pregnancy and Lactation Restricted / Not Recommended Official documentation advises against use unless clearly needed and after consultation with a healthcare provider.

Use is further restricted for individuals with marked hypotension, myasthenia gravis, or abnormal conductivity of the heart muscle. The product is contraindicated in combination with levodopa, as the vitamin B6 component can interfere with the drug's effectiveness.

Advertisements

What should I know about interactions with other medicines?

Interactions with Other Medicines and Products

Official regulatory documents detail specific interactions involving the components of Slow-Mag B6: Magnesium and Pyridoxine (Vitamin B6). These interactions are primarily categorized by their effect on drug levels (pharmacokinetics) or their combined effects on the body (pharmacodynamics).

Key Interaction Constraints:

Interacting Agent Category Interaction Type Required Constraint
Tetracycline & Fluoroquinolone Antibiotics Reduced absorption (chelation) of antibiotic by Magnesium Timing Separation: Administer the antibiotic at least 2 hours before or 4-6 hours after the magnesium product.
Bisphosphonates (for Osteoporosis) Reduced absorption of bisphosphonates by Magnesium Timing Separation: Administer the bisphosphonate at least 2 hours before or 4-6 hours after the magnesium product.
Levodopa (without Carbidopa) Pyridoxine increases Levodopa breakdown Regulatory Restriction: Avoid this combination due to loss of effectiveness.
Phenytoin, Phenobarbital Pyridoxine decreases serum levels of Antiepileptics Monitoring: Caution advised; monitoring of anticonvulsant plasma levels may be necessary.
Proton Pump Inhibitors (e.g., Omeprazole) Reduced Magnesium absorption Monitoring: Monitor for signs of low magnesium levels with prolonged use.

Other Noted Interactions: The magnesium component may potentiate the effects of calcium channel blockers and other blood pressure-lowering medicines, requiring monitoring. Furthermore, specific diuretics (e.g., Furosemide, Hydrochlorothiazide) can increase the urinary excretion of magnesium, potentially leading to low magnesium levels.

Advertisements

Mechanism of Action

How Slow-Mag B6 Works


️ Modulating Neuromuscular Excitability

The mechanism begins with Magnesium (Mg^2+) acting as a physiological calcium antagonist and membrane regulator in excitable tissues. By competing with Calcium (Ca^2+) for cellular sites and reducing the presynaptic release of Acetylcholine (ACh), Mg^2+ reduces the transmission of nerve signals. This action modulates the signaling that governs neuromuscular excitability and contributes to membrane potential regulation in nerve and muscle cells.


Supporting Cellular Bioenergetics and Coenzyme Function

Mg^2+ is an indispensable cofactor for over 300 metabolic enzymes, including those forming the active substrate MgATP required for energy-dependent reactions (e.g., protein synthesis). The Pyridoxine component, upon conversion to its active coenzyme PLP, activates specific enzymes necessary for the synthesis of key neurotransmitters, such as the inhibitory transmitter GABA, further contributing to the regulation of central nervous system signaling.


Synergy for Enhanced Physiological Integrity

The preparation utilizes a synergistic mechanism wherein B6 is hypothesized to facilitate the cellular retention and uptake of Mg^2+, optimizing the mineral's functional presence at its intracellular targets. This coordinated action supports the maintenance of metabolic integrity and electrochemical balance essential for processes underlying nerve, muscle, and systemic function.

Advertisements

Dosage and Administration Information

The combination preparation, Slow-Mag B6, is administered exclusively via the oral route as a specialized, delayed-release tablet. The core instruction for use is centered on maintaining the integrity of this formulation. Tablets must be swallowed whole and must not be crushed, chewed, or split. This procedural condition ensures the active ingredients are released gradually over several hours, which is a key function of the delayed-release design, supporting optimal absorption.

The medicine is typically taken as a daily regimen, often utilizing divided dosing in the morning and evening to ensure continuous availability of the micronutrients. Administration is generally recommended to occur with meals along with a full glass of water to help minimize potential gastrointestinal discomfort. Dosing follows specific labeled regimens, differentiating the higher tablet count used for established deficiency from the lower dose used for prophylaxis or maintenance.

Regimens for established deficiency often involve a higher initial dose for a short course before transitioning to a lower daily maintenance dose. If a dose is missed, it is directed that the dose should be skipped if it is near the time of the next intake, and a double dose must not be taken to compensate. A significant constraint on administration involves patients with impaired kidney function, as the body’s reduced ability to clear magnesium may lead to accumulation. Pediatric use is typically limited to children over 12 years old for short-term courses.

Advertisements

Recent Clinical Evidence

Research evidence / Overview of studies for Slow-Mag B6

This section provides an overview of the types of research and clinical trials that have examined the active ingredients in Slow-Mag B6, describing what outcomes were measured and where certainty remains low. This information is based solely on authoritative scientific and regulatory reports.


Evidence for Nutritional Replenishment and Deficiency Symptoms

Research is available supporting the fundamental role of magnesium and vitamin B6 as essential micronutrients. This body of evidence includes systematic reviews and varied clinical trials that was studied for the purpose of supplying these nutrients, focusing on studies that explored outcomes related to the supply of these nutrients and electrolyte balance.

Studies monitored physiological biomarkers, such as magnesium concentrations measured in the blood and red blood cells. Data show patterns related to measured changes in the concentration of the mineral in the body's tissues. Furthermore, reported outcomes related to physical discomfort and fatigue were observed in some studies to coincide with measured changes in magnesium biomarker levels.

Evidence for Symptoms Related to Severe Subjective Stress

Research has examined the use of the combination supplement in populations experiencing significant psychological strain. Clinical research included an Investigator-Blinded Randomized Controlled Trial (RCT) that was used in research exploring how symptoms change over time. These studies explored outcomes monitoring physiological strain or stress, assessing changes using validated psychological scales.

Research describes changes measured during the study period for perceived stress levels in the observed populations. A subsequent analysis described a pattern where the combination's reported outcomes were more noticeable in the subgroup of participants who started the study with the highest stress scores. Findings related to the combination treatment were described as similar to those observed with magnesium supplementation alone when looking at the entire study population.

Key Limitations and Areas of Research Uncertainty

Comparative evidence is lacking to fully characterize the sustained-release formulation relative to conventional supplements or to establish the specific contribution of the Pyridoxine component in all populations. Follow-up durations were limited across most trials, meaning that long-term effects are not fully established regarding the durability of observations. Data for certain groups remain insufficient, as the majority of research has focused on healthy adults, and results apply only to the populations studied.

Key Studies & References

  1. Impact of Magnesium and Vitamin B6 Supplementation on Subjective Stress and Quality of Life in Healthy Adults with Subclinical Hypomagnesemia: A Post-Hoc Analysis of a Phase IV Study
  2. Magnesium (MedlinePlus Medical Encyclopedia)
Advertisements

Frequently Asked Questions (FAQ)

Common questions about Slow-Mag B6 (FAQ)

Q: What is Slow-Mag B6 used for?

A: Slow-Mag B6 is a dietary supplement used to prevent and treat magnesium deficiency in the body. The supplement contains magnesium chloride, which provides elemental magnesium, and pyridoxine hydrochloride (Vitamin B6). Magnesium is a mineral essential for many bodily functions, including muscle and nerve function, blood glucose control, and energy production. Vitamin B6 is also involved in numerous metabolic processes.


Q: How should I take Slow-Mag B6?

A: The standard recommended adult dose for the prevention of magnesium deficiency is typically two tablets a day, taken at the same time, usually in the evening. For the treatment of a diagnosed deficiency, a doctor may recommend four to six tablets daily, taken in divided doses. It is important to take the tablets with a full glass of water and with food to minimize the risk of stomach upset. Always follow the specific dosing instructions provided by a healthcare professional or the product label.


Q: What are the possible side effects of Slow-Mag B6?

A: When taken at recommended doses, Slow-Mag B6 is generally well-tolerated. The most common side effects are often related to the digestive system and may include:

  • Mild diarrhea
  • Nausea
  • Stomach discomfort or cramping

Taking the supplement with food can help reduce these effects. Very high doses of magnesium can lead to more serious side effects, such as low blood pressure, muscle weakness, and irregular heartbeat. Excessive intake of Vitamin B6 over a long period can potentially cause nerve damage (peripheral neuropathy). Consult a healthcare provider if you experience persistent or severe side effects.


Q: Can I take Slow-Mag B6 with other medications?

A: Magnesium supplements, including Slow-Mag B6, can interact with several types of medications. These interactions can affect how well the supplement or the other medication works. Key drug classes that may interact include:

  • Certain antibiotics (e.g., tetracyclines and quinolones): Magnesium can decrease the absorption of these antibiotics, making them less effective. These should be taken at least two hours apart from the magnesium supplement.
  • Diuretics (Water pills): Some diuretics can increase or decrease magnesium levels.
  • Bisphosphonates (used for osteoporosis): Magnesium can reduce their absorption.
  • Proton Pump Inhibitors (PPIs): Long-term use of certain PPIs can sometimes lead to magnesium depletion.

It is essential to discuss all current medications and supplements with a healthcare provider before starting Slow-Mag B6.


Q: Who should avoid taking Slow-Mag B6?

A: Individuals with certain medical conditions should use Slow-Mag B6 cautiously or avoid it unless specifically advised by a doctor. These conditions include:

  • Kidney impairment or kidney failure: Impaired kidneys may not be able to effectively clear excess magnesium from the body, leading to a build-up (hypermagnesemia).
  • Myasthenia gravis or other conditions causing muscle weakness, as high magnesium levels can worsen muscle function.
  • Known hypersensitivity or allergy to any component of Slow-Mag B6.

Always consult a healthcare provider to ensure that Slow-Mag B6 is appropriate for your specific health status.

Advertisements

How should Slow-Mag B6 be stored and disposed of?

How to Store and Dispose of Slow-Mag B6

Official regulatory guidelines for Slow-Mag B6 (Magnesium Chloride/Pyridoxine HCl) storage emphasize protection from environmental factors to maintain stability. The product must be stored at controlled room temperature (e.g., 20 C to 25 C) and protected from excessive heat and freezing. To prevent degradation from moisture and light, tablets must be kept in the original container with the lid tightly closed.

All medicines and supplements must be stored out of the reach and sight of children.

For disposal of expired or unused product, do not flush Slow-Mag B6 down the toilet or pour it down a drain. Instead, follow official guidelines such as participating in a drug take-back program or safely disposing of the product in the household trash after mixing it with an unappealing substance like dirt or cat litter.

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

Available in countries:

Equivalent of Slow-Mag B6  found in:

A-Z Index: