What it does
Multivitamins are dietary supplements that contain a combination of vitamins and minerals to help support overall health.
Commonly used for: nutritional deficiency, general health support, boosting immune system
Read more in plain English ↓Plain-language summary for general understanding - not medical advice. Always follow your pharmacist/doctor.
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Sourcing - Kenya onlyRegistration & product details
Source: Pharmacy and Medicines Regulatory Authority · fetched 2026-04-21 17:37:38 · updated 2026-09-19 04:30:22
About this medicine
Multivitamins are dietary supplements that contain a combination of vitamins and minerals to help support overall health.
What it treats
- nutritional deficiency
- general health support
- boosting immune system
How it works
Multivitamins provide essential nutrients that your body needs to function properly, helping to fill any gaps in your diet.
Who it's for
Multivitamins are suitable for adults and children who may not get enough vitamins and minerals from their diet.
AI-assisted summary grounded in BNF data - general information only, not medical advice. Always confirm with your pharmacist or doctor.
Clinical monograph: multivitamin
Multivitamins are dietary supplements that contain a combination of vitamins, and often minerals, that are essential for various bodily functions. They are commonly used to prevent or treat vitamin deficiencies and support overall health. Multivitamins can be particularly beneficial in populations with limited dietary intake or increased nutritional needs.
Indications
- Vitamin deficiency prevention
- Nutritional supplementation during pregnancy
- Support in chronic illness
- General health maintenance
- Support for individuals with restricted diets
Dosage
Children: Refer to specific product guidelines as pediatric doses vary depending on formulation.
Adults: Refer to specific product guidelines as doses vary widely depending on formulation.
Mechanism of action
Multivitamins provide essential vitamins and minerals that play critical roles in various biochemical pathways. Vitamins such as A, C, D, E, and the B-complex play roles in energy metabolism, immune function, and the maintenance of healthy skin and mucous membranes. Minerals like calcium, magnesium, and zinc are involved in bone health, enzymatic reactions, and cellular function. The specific mechanism of action varies by nutrient, as each vitamin and mineral has distinct physiological roles.
Pharmacodynamics
The pharmacodynamics of multivitamins are largely dependent on the individual vitamins and minerals included in the formulation. They contribute to various metabolic processes, antioxidant defenses, and immune responses. For example, vitamin C is known for its role in collagen synthesis and as an antioxidant, while vitamin D is crucial for calcium absorption and bone health. The synergistic effect of multiple vitamins and minerals can enhance overall health and physiological function.
Pharmacokinetics
The pharmacokinetics of multivitamins varies by individual nutrient. Water-soluble vitamins such as B vitamins and vitamin C are generally absorbed in the gastrointestinal tract and excreted in urine when in excess. Fat-soluble vitamins (A, D, E, K) are absorbed alongside dietary fats and can be stored in body tissues. The bioavailability of vitamins and minerals can be influenced by factors such as age, diet, and health status.
Adverse effects
- Gastrointestinal disturbances
- Nausea
- Diarrhea
- Constipation
- Allergic reactions
Interactions
- Certain antibiotics may interact with specific vitamins
- High doses of vitamin A can lead to toxicity if taken with retinoids
- Vitamin K can affect anticoagulant medications
Precautions
- Use with caution in patients with renal impairment
- Patients should be monitored for potential vitamin toxicity with high doses
Pregnancy
Generally considered safe when taken as directed, but high doses of certain vitamins can be harmful.
Breast-feeding
Generally safe; however, excessive doses should be avoided.
Storage
Store in a cool, dry place, away from direct sunlight. Keep out of reach of children.
Formulations
- Tablets
- Capsules
- Powders
- Liquids
AI-synthesized from BNF references - general information only, not a substitute for professional medical advice or the current BNF. Verify doses with a pharmacist.
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The same active ingredient registered across other registries we cover - including different brands.
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