Multivitamin

Overview of multivitamins

Multivitamin
Routes	Oral

A multivitamin is a dietary supplement that contains a combination of vitamins, and often minerals, and other nutritional elements. Multivitamins are used to provide vitamins that are not taken in through the diet. They are also used to treat vitamin deficiencies (lack of vitamins) caused by illness, pregnancy, poor nutrition, digestive disorders, and many other conditions.

Composition

Multivitamins come in many forms, including tablets, capsules, chewable gummies, powders, and liquids. The specific composition of multivitamins varies by brand and product. Common vitamins included in multivitamins are vitamin A, vitamin C, vitamin D, vitamin E, and vitamin K. They may also contain B vitamins such as thiamine, riboflavin, niacin, vitamin B6, folic acid, vitamin B12, biotin, and pantothenic acid.

Health Benefits

Multivitamins are often used to fill nutritional gaps and ensure that individuals get their daily allowance of essential nutrients. They may help prevent vitamin deficiencies and associated health problems. Some studies suggest that multivitamins can improve immune function, support bone health, and enhance energy levels.

Usage

Multivitamins are typically taken once daily, although the specific dosage and frequency can vary depending on the product and individual needs. It is important to follow the instructions on the label or as directed by a healthcare provider.

Safety and Side Effects

While multivitamins are generally considered safe, excessive intake of certain vitamins and minerals can lead to adverse effects. For example, too much vitamin A can cause toxicity, and high doses of iron can lead to iron overload. It is important to adhere to recommended dosages and consult with a healthcare provider if unsure.

See Also

• Dietary supplement
• Vitamin
• Mineral (nutrient)
• Nutrition

External Links

• Multivitamin/mineral Supplements Fact Sheet for Health Professionals - Office of Dietary Supplements

Multivitamin

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  B vitamin supplement tablets
• Bell curve of intake versus health effect
  Bell curve of intake versus health effect
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  Wyeth Centrum