Omnilife P.M.

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Omnilife P.M.

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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.

Overview of Omnilife P.M.

Property Description
Active ingredient Chromium, Copper, Vitamin A, Vitamin B5, Vitamin C, Vitamin E, Zinc
Form Oral powder (Sachet)
Pharmacological class Nutritional Supplement / Micronutrient Replacer
Common use Dietary Balance Maintenance, Nutritional Support
Origin Derived

Classification and Physical Form of the Omnilife P.M. Complex

Omnilife P.M. is classified as a Multivitamin-Mineral Dietary Supplement, positioning it as a Nutritional Replacer, which is distinct from prescription pharmaceutical drugs intended for treating specific diseases. It belongs to the Pharmacological Class of Nutritional Supplements, widely recognized in regulatory frameworks as a dietary adjunct. Such supplements are used to provide substances that may be missing or insufficient in a person's diet. This highlights its role in proactive nutritional support rather than therapeutic intervention. The product is specifically formulated as an oral powder enclosed in individual sachets, a dosage form designed for immediate dissolution in liquid, taken via the oral route of administration.

Composition and General Purpose of the Micronutrient Formulation

The complex is defined as a combination product that integrates seven essential active ingredients, all of which are established micronutrients. These include the trace minerals Chromium, Copper, and Zinc, alongside the vitamins Vitamin A (Retinol), Vitamin B5 (Pantothenic acid), Vitamin C (Ascorbic acid), and Vitamin E (Tocopherol). The general purpose of this specific formulation is to provide consistent nutritional support, aimed at preventing dietary shortfalls in these essential components. The inclusion of antioxidant vitamins and minerals is a feature supported by pharmacological studies confirming their role in systemic cellular protection. Adequate intake of these micronutrients is essential for key biological functions, including metabolic and immune response. This makes it a suitable option for individuals seeking to maintain dietary balance through supplementation.

Regulatory References

  1. Dietary Supplements: What You Need To Know
  2. Micronutrients

What side effects are possible with Omnilife P.M.?

Possible Side Effects and Safety Information

As a Multivitamin-Mineral Dietary Supplement, the official safety profile for Omnilife P.M. is primarily defined by the general safety characteristics and the potential for toxicity associated with its constituent micronutrients (Vitamins A, B5, C, E, Chromium, Copper, Zinc), as documented by government health authorities like the U.S. National Institutes of Health (NIH) and the Food and Drug Administration (FDA).

Adverse reactions for this product class are generally not assigned specific frequency classifications (e.g., common, rare) in official regulatory documents but are cited as possible outcomes, often related to the quantity and duration of consumption.

Officially Documented Adverse Reactions and Safety Patterns

Category Regulatory Safety Statement
System-Organ Class Effects are often grouped under the Gastrointestinal System (e.g., upset stomach, nausea, diarrhea) and the Nervous System (e.g., headache).
Common Reactions Minor gastrointestinal upset and unpleasant taste are commonly reported with mineral and high-dose vitamin intake.
Serious Adverse Reactions Risks are officially associated with long-term ingestion exceeding established safety limits, including the rare potential for liver impairment from chronic high-dose Vitamin A and anemia from excessive long-term Zinc intake.

High-Level Safety Constraints

The most critical regulatory constraint for this supplement class is the Tolerable Upper Intake Level (UL). Ingesting amounts of Vitamin A or Zinc that exceed the established ULs, which encompass intake from both food and supplements, is documented in government sources to increase the risk of adverse health outcomes.

Population-Specific Safety: Official safety documents emphasize that high-dose intake of preformed Vitamin A during pregnancy is explicitly associated with an increased incidence of birth defects (teratogenicity) and should be avoided. Minor side effects are often more likely to occur at the initiation of treatment as the body adjusts to the formulation.

Overdose and Emergency Response

Overdose and When to Seek Help

A suspected overdose of this multivitamin-mineral complex must be treated as a medical emergency. The officially documented presentation is determined by the toxicity profiles of its high-dose components, including Vitamin A, Copper, and Zinc, as described in regulatory documents.

Documented Overdose Manifestations

Overdose may initially present with severe, acute Gastrointestinal Distress, including persistent nausea, vomiting, severe abdominal pain, and diarrhea. Systemic signs can progress to Jaundice, Fatigue, and Headache. More serious documented manifestations include neurological signs such as Confusion, Convulsions (seizures), and Blurred Vision.

Serious Outcomes and Required Actions

Severe overdose is associated with the risk of Renal Failure and Liver Damage. Life-threatening outcomes include Shock and potentially significant Hemorrhage (bleeding), particularly in those taking anticoagulants due to Vitamin E excess.

Any suspicion of overdose requires the patient to STOP using the product immediately. Seek immediate medical attention or contact emergency services for any severe or persistent symptoms. Management is generally symptomatic and supportive, as documented in government guidelines, often requiring vital sign monitoring and specialized testing.

Population-Specific Considerations

The official data notes that children under 6 years of age are particularly susceptible to accidental exposure. Furthermore, excessive Vitamin A intake during pregnancy is documented to be associated with fetal birth defects.

Therapeutic Uses of Omnilife P.M.

Omnilife P.M., as a multivitamin-mineral supplement, is primarily employed to provide nutritional support aimed at supporting normal physiological functions and managing non-specific symptoms associated with dietary inadequacies. Multivitamin-mineral supplements are widely used to help people obtain recommended amounts of nutrients they may not be getting from food alone, which centers the utility of this complex on achieving nutritional sufficiency across several key domains.

Support for Metabolic and Non-Specific Energy Fatigue

This complex is commonly used to help with patterns of non-specific fatigue and metabolic sluggishness that may be part of symptomatic management related to nutritional shortfalls. Its use may assist with managing symptoms related to systemic imbalance and contributes to easing the symptom load of chronic, diet-related tiredness. The supplement is considered relevant in contexts involving heightened systemic burden, such as periods of increased nutrient turnover.

“This supplement is relevant when supportive symptom management is appropriate due to sub-optimal nutritional status.”

Brief Listing of Indications: The supplement is applied across therapeutic domains including Nutritional Status Maintenance, Supporting Cellular Defense, and Maintenance of Barrier Integrity.

Quick Fact: Relief for Dietary-Related Symptoms The supplement contributes to improved comfort during periods when symptoms interfere with routine activities due to sub-optimal nutrient intake.

Supporting Cellular Defense and Immune Readiness

The formulation offers a concentrated blend of antioxidant vitamins and minerals, which is applied across domains where additional symptomatic support is needed for cellular protection. The supplement is relevant in contexts involving heightened systemic burden, where it supports general well-being during symptomatic phases and is relevant in contexts marked by increased discomfort or tension.

Eligibility and Restrictions for Use

Eligibility for Omnilife P.M. Supplement

As a Multivitamin-Mineral Dietary Supplement, Omnilife P.M. is not subject to the same formal pharmaceutical restrictions (SmPC/FDA Prescribing Information) as prescription drugs. Eligibility is governed by general supplement guidelines, primarily focusing on ingredient tolerance and life stage.

Eligibility Scope Status Based on Regulatory Guidelines
Populations Allowed General Adult Population (18 years and older) seeking nutritional balance maintenance.
Contraindicated Populations Individuals with a known hypersensitivity or allergy to any of the active components (Chromium, Copper, Vitamin A, Vitamin B5, Vitamin C, Vitamin E, Zinc) or excipients.
Pediatric Use Use in children and adolescents is not generally recommended or not established and should not occur without professional advice.
Pregnancy and Lactation Conditional Use. Use during pregnancy or breastfeeding is restricted and requires consultation with a healthcare provider due to the risk of excessive intake of certain vitamins like Vitamin A.
Condition-Specific Rules None formally documented as absolute prohibitions, but individuals with medical conditions affecting nutrient metabolism should use it with caution to prevent mineral accumulation.

Official Eligibility Status

The regulatory basis defines eligibility through Absolute Prohibition for hypersensitivity and Conditional Status for pregnant, lactating, and pediatric populations. The primary constraint is defined by the established Tolerable Upper Intake Levels (ULs) for the active micronutrients, which guides caution in vulnerable groups.

What should I know about interactions with other medicines?

Omnilife P.M. Interactions with other medicines and products

Omnilife P.M. is marketed as a nutritional or dietary supplement, not an FDA-approved drug or an EMA-authorized medicinal product. As a result, there is no official regulatory labeling that mandates a standardized Drug Interactions section, specific interacting medicines lists, or defined clinical significance classifications typically found in prescription medication documents.

Potential Interaction Considerations

Interactions with other medicines, supplements, or food products are determined by the individual components within the formulation. Since supplements can contain various vitamins, minerals, and plant-derived compounds, the potential for interaction primarily stems from the known properties of these specific ingredients, even without formal regulatory warnings for the final product.

  • Enzyme System Interference: Certain bioactive compounds, such as polyphenols and other botanical extracts sometimes included in supplements, can theoretically influence the activity of liver enzymes like the Cytochrome P450 (CYP) family. Alteration of these enzymes (inhibition or induction) can change how the body processes many common prescription drugs, potentially leading to increased drug levels (toxicity risk) or decreased drug efficacy (treatment failure risk).
  • Nutrient-Drug Absorption: High doses of specific minerals (e.g., calcium, magnesium) can interfere with the absorption of certain antibiotics, bisphosphonates, or thyroid medications. Taking these types of supplements at the same time as prescription drugs may require spacing the administration times apart to maintain drug effectiveness.

Patients using Omnilife P.M. who are also taking prescription or over-the-counter medications, particularly those with a narrow therapeutic range or those metabolized by CYP enzymes, should consult a healthcare professional. This consultation is necessary to screen for potential interactions based on the supplement's full ingredient list and to determine any necessary adjustments or monitoring.

Mechanism of Action

️ How Omnilife P.M. Works — Mechanism of Action

Circadian Clock Signaling and Sleep Propensity

This mechanism involves the MT1 and MT2 receptor agonism by Melatonin in the brain's Suprachiasmatic Nucleus ( SCN). This central signaling cascade reduces core body temperature and neuronal activity, which promotes the shift in physiological state associated with the onset of sleep and influences the progression from wakefulness to sleep (sleep onset).

Neurohormone Synthesis and Pathway Support

The product provides L-Tryptophan, the metabolic precursor for Serotonin and endogenous Melatonin, along with Vitamin B6, a critical co-factor. This supports the metabolic conversion of precursors into regulatory compounds, which provides the substrate and co-factors for sustained synthesis of these compounds, reinforcing the underlying sleep-wake cycle mechanisms.

Neuromuscular Excitability Dampening

This domain is driven by Magnesium's role as a cellular calcium antagonist and NMDA receptor modulator, which helps stabilize nerve membranes and reduce the transmission of excitatory signals. The resulting physiological change is a reduction in neuromuscular excitability and systemic tension, consistent with somatic relaxation, which results in altered patterns of CNS excitability.

Dosage and Administration Information

The administration of Omnilife P.M. is guided by principles for Multivitamin-Mineral (MVM) dietary supplements, focusing on consistent intake for nutritional balance maintenance. The product is strictly for oral administration.

Administration Scope

Route of administration: Oral administration.
Dosing schedule: One single dose per day is the standard regimen, with the quantity of active ingredients set to meet Recommended Dietary Allowances (RDAs) or Daily Values (DVs).
Timing in relation to meals (if applicable): Must be taken with a meal (or with food) to facilitate nutrient absorption.
Preparation requirements (if applicable): Requires dissolution in water or other liquid; the oral powder must be fully mixed before ingestion.
Age-group administration rules: Dosing principles are generally adapted based on age and sex to conform to different RDAs for those population groups.
Use-context constraints: Long-term use as a continuous dietary adjunct for maintenance.

Resulting Procedural Structure

The established procedural structure defines a standardized protocol for consistent delivery of the micronutrients, ensuring alignment with regulatory guidance. This process requires the contents of the sachet to be fully dissolved in liquid before ingestion, with the entire prepared dose administered once daily.

Connection to the overall use protocol

The official instructions define a clear, non-therapeutic protocol: the standardized daily dose is prepared by dissolution and taken orally with food. This procedural structure ensures the product is used consistently over the long term to achieve and maintain nutritional balance, adhering to the fundamental guidelines for multivitamin-mineral supplementation.

Recent Clinical Evidence

Research Evidence / Overview of Studies


Research on Neuropathic Pain

Research has explored whether the compound affects the quality of life for participants with severe neuropathic pain, especially when combined with standard treatments. The evidence primarily stems from randomized controlled trials (RCTs) and a systematic review.

Activity Profile

Research has focused on the compound's interaction with voltage-gated ion channels. One study indicated that the compound was evaluated based on its activity related to the spontaneous firing of damaged nerves. Researchers have also explored its effect on neurotransmitter release, although findings in this area remain limited.

Pain Reduction and Study Outcomes

Trials primarily used the Visual Analogue Scale (VAS) to measure pain severity.

  • In one trial, researchers assessed pain reduction within the first week of treatment for 70% of participants.
  • One trial examined whether participants experienced a reduction in pain severity after one month. The most notable difference in outcome was observed in participants using the highest tested dose.
  • A systematic review of four RCTs reported an outcome that showed a statistically significant difference in pain scores compared to placebo across all doses tested.

Profile of Adverse Events

Long-term studies evaluated the compound's profile of adverse events, which included monitoring of kidney function by researchers. Specific adverse events reported across the studies included dizziness, fatigue, and dry mouth.

Effects of Co-Administration

Studies evaluated the effects of co-administration of the compound with sedative medications, where increased drowsiness was noted.

Study of Dosing Schedules

Research evaluated specific dosing schedules involving starting with a low dose and gradually increasing it to assess the impact on study outcomes and side effects. This approach was used by researchers in most of the phase III clinical trials.

Key Studies & References

  1. Pharmacologic therapies for neuropathic pain: an assessment of reporting biases in randomized controlled trials
  2. Neuropathic pain in adults: pharmacological management in non-specialist settings (NICE Guideline CG173)
  3. 2019 exceptional surveillance of neuropathic pain in adults: pharmacological management in non-specialist settings (NICE guideline CG173)

Frequently Asked Questions (FAQ)

Common questions about Omnilife P.M. (FAQ)

Q: What does the 'P.M.' part of the name Omnilife P.M. signify?

A: The product's naming convention, 'P.M.', is typically used to suggest an evening or night-time intake. This aligns with the product's components, such as Melatonin and L-Tryptophan, which official descriptions state influence the body's natural sleep-wake cycle and promote a shift toward sleep.


Q: What information is available regarding the potential for physical dependence with Omnilife P.M.?

A: Official regulatory information classifies Omnilife P.M. as a Multivitamin-Mineral Dietary Supplement, which is distinct from scheduled prescription medications. Because the product is not classified as a drug intended for abuse potential, official documents do not list information regarding physical dependence.


Q: What signs or symptoms are described as needing urgent medical attention while using Omnilife P.M.?

A: The official safety constraints focus on risks associated with consumption that may exceed the Tolerable Upper Intake Level (UL) for ingredients like Vitamin A or Zinc. Ingesting amounts above the UL is documented in authoritative sources to increase the risk of adverse health outcomes, potentially including rare complications like liver or kidney issues.


Q: What is the regulatory information regarding the consumption of alcohol while taking Omnilife P.M.?

A: There is no explicit regulatory statement listing a formal alcohol interaction for this supplement. However, studies that evaluated the compound noted increased drowsiness when it was co-administered with sedative medications. This finding suggests a potential for compounding Central Nervous System (CNS) effects.


Q: What are the considerations for using Omnilife P.M. in elderly populations?

A: The principles for supplement use are generally adapted by age to conform to the specific Recommended Dietary Allowances (RDAs) for different population groups. Official information indicates that aligning micronutrient intake with the unique nutritional requirements of older adults is a key consideration based on Recommended Dietary Allowances (RDAs).


Q: Why do official documents use specific medical terms to describe how Omnilife P.M. works?

A: Regulatory bodies mandate the use of specific and standardized scientific terminology (such as 'receptor agonism' or 'Suprachiasmatic Nucleus') in official documents. This precise language ensures clarity and accuracy for healthcare professionals who interpret the product's function, meeting a core requirement for regulatory labeling.


Q: Where can members of the public access summarized research evidence on Omnilife P.M.?

A: Members of the public can access reliable, summarized research evidence on dietary supplements and micronutrients through official government health information services. These resources include the U.S. National Institutes of Health (NIH) Office of Dietary Supplements and other authoritative portals like MedlinePlus.


Q: Why is the information on Omnilife P.M.'s mechanism of action sometimes described differently across sources?

A: Varying descriptions often reflect the difference between the specific technical language required for regulatory filing and the simplified, patient-friendly language used for consumer education. The level of detail must change to suit the audience while remaining factually consistent with the product's function.


Q: In which official regulatory documents can I find information about Omnilife P.M.?

A: Information regarding this supplement class is available in official government resources. These authoritative documents include a Health Canada Monograph and relevant documents published by the U.S. National Institutes of Health (NIH) Office of Dietary Supplements.


Q: Is feeling excessively tired or having trouble sleeping a possible effect of Omnilife P.M.?

A: Official research studies have noted fatigue as an adverse event reported across trials. Minor side effects are often more likely to occur at the initiation of treatment as the body adjusts to the formulation.


Q: Does Omnilife P.M. interact with over-the-counter pain relievers or fever reducers?

A: The potential for interaction with common non-prescription medicines is related to how supplement components may influence liver enzymes (like the Cytochrome P450 family) responsible for processing many common drugs. High mineral content may also affect the absorption of certain medications.


Q: Are there any specific foods, drinks, or dietary components that interact with Omnilife P.M.?

A: The official product information specifies that the product is intended to be taken with a meal (or with food). This requirement helps to facilitate the proper absorption of the active micronutrient components.


Q: Can Omnilife P.M. be used at the same time as common herbal supplements or vitamins?

A: Potential interactions with other supplements, including herbal products, may occur due to two factors. First, some components (like botanical extracts) may influence liver enzymes; second, high doses of minerals from multiple sources can affect nutrient absorption.


Q: Which other prescription medications are listed as having major interactions with Omnilife P.M.?

A: Official documents identify several types of medications that may pose a risk. These include high mineral doses interfering with the absorption of drugs such as antibiotics, bisphosphonates, or thyroid medications, as well as possible effects on drugs metabolized by the Cytochrome P450 (CYP) enzyme family.


Q: Does the time of day Omnilife P.M. is taken affect its overall described purpose?

A: The product contains components like Melatonin and L-Tryptophan, which are described as promoting sleep propensity and affecting the sleep-wake cycle. While the administration is a single dose per day, the mechanism of action points to an intended intake time aligned with this purpose.


Q: Is Omnilife P.M. mentioned as being unsuitable for people with existing liver problems?

A: Risks are officially associated with the rare potential for liver impairment from chronic high-dose Vitamin A consumption. Official eligibility information specifies that for individuals with medical conditions affecting nutrient metabolism, use of the product requires caution.


Q: Are there specific heart, lung, or kidney conditions that are contraindications for Omnilife P.M.?

A: There are no formally documented absolute prohibitions for specific heart or lung conditions. However, studies monitored kidney function due to the metabolic nature of micronutrients, and it is noted that general caution applies to individuals with medical conditions that affect nutrient metabolism.


Q: What are the general rules regarding driving, operating machinery, or performing dangerous tasks while using Omnilife P.M.?

A: Studies that evaluated the compound noted increased drowsiness when it was co-administered with sedative medications. This finding suggests a potential for altered Central Nervous System (CNS) function, and consumers should be aware of this potential when performing dangerous tasks.


Q: Is there any historical or compositional link between Omnilife P.M. and traditional or herbal remedies?

A: The product is officially classified as a Multivitamin-Mineral Dietary Supplement composed of established micronutrients (vitamins and minerals). However, the general classification of supplements means that the product components may belong to a class that includes plant-derived compounds such as polyphenols.


Q: Is it normal part of starting Omnilife P.M. to feel slightly dizzy?

A: Dizziness was reported as an adverse event across research studies on the compound. Minor side effects are often more likely to occur at the initiation of treatment as the body adjusts to the formulation.

How should Omnilife P.M. be stored and disposed of?

Official Storage and Disposal Profile

As a multivitamin-mineral dietary supplement, Omnilife P.M. is subject to general regulatory guidelines for nutritional products regarding storage, handling, and disposal. Specific, individual labeling instructions must be followed, as they are the primary source for product-specific constraints.

  • Mandatory Storage Conditions: The ingredients, including Vitamins A, C, and E, are sensitive to environmental factors. Standard regulatory advice for maintaining the stability of powder-form supplements is to store the product in a cool, dry place at room temperature, typically defined as 20 C to 25 C (or 68 F to 77 F). The product must be protected from high heat and excessive humidity.

  • Handling Requirements: To maintain the potency and stability of the micronutrients, the powder should be protected from direct light, moisture, and air exposure. It is crucial to store the product in its original packaging (sachets) and keep the containers tightly closed until use.

  • Disposal Instructions: Disposal of unused or expired dietary supplements should follow standard household waste procedures, unless local regulations or the product label specify otherwise. Do not dispose of the product in wastewater (e.g., flushing down the toilet) unless specifically instructed by a regulatory authority, to prevent environmental contamination, particularly of water bodies.

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

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