Pantothenic Acid

Reviewed on 8/27/2021

What Is Pantothenic Acid and How Does It Work?

Pantothenic acid is a vitamin, also known as vitamin B5, used as a dietary supplement when taken in recommended daily allowances (RDAs), and also to treat pantothenic acid deficiency.

  • Pantothenic acid is available under the following different brand and other names: Vitamin B5.

What Are Dosages of Pantothenic Acid?

Dosages of Pantothenic Acid

Dosage Forms and Strengths


  • 100 mg
  • 200 mg
  • 500 mg
Dosage Considerations – Should be Given as Follows:

Recommended Daily Intake

  • Take with food if administered orally
  • Men and Women over 14 years: 5 mg/day
  • Pregnant women: 6 mg/day
  • Lactating women: 7 mg/day
  • Children under 6 months: 1.7 mg/day
  • Children 6-12 months: 1.8 mg/day
  • Children 1-3 years: 2 mg/day
  • Children 3 - 8 years: 3 mg/day
  • Children 8 -13 years: 4 mg/day
  • Children 13-18 years: 5 mg/day

Dietary Supplement

  • 5-10 mg orally once/day


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What Are Side Effects Associated with Using Pantothenic Acid?

Common side effects of pantothenic_acid include:

Less common side effects of pantothenic_acid include:

Postmarketing side effects of pantothenic_acid reported include:

This is not a complete list of side effects and other serious side effects may occur. Call your doctor for information and medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What Other Drugs Interact with Pantothenic Acid?

If your doctor has directed you to use this medication, your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor, health care provider, or pharmacist first.

  • Pantothenic acid has no known severe or serious interactions with other drugs.
  • Moderate interactions of pantothenic acid include:
  • Pantothenic acid has mild interactions with at least 68 different drugs.

This document does not contain all possible interactions. Therefore, before using this product, tell your doctor or pharmacist of all the products you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist. Check with your physician if you have health questions or concerns.

What Are Warnings and Precautions for Pantothenic Acid?


This medication contains pantothenic acid. Do not take Vitamin B5 if you are allergic to pantothenic acid or any ingredients contained in this drug.

Keep out of reach of children. In case of overdose, get medical help or contact a Poison Control Center immediately.


  • Hypersensitivity

Effects of Drug Abuse

  • None

Short-Term Effects

  • See "What Are Side Effects Associated with Using Pantothenic Acid?"

Long-Term Effects

  • See "What Are Side Effects Associated with Using Pantothenic Acid?"


  • None

Pregnancy and Lactation

  • Use of pantothenic acid during pregnancy and while breastfeeding has not been studied. Consult your doctor.


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Meddscape. Pantothenic Acid.

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