Skip to main content
  • FOR HEALTHCARE PROFESSIONALS
  • CONTACT US
MiraLAX®, MiraFIBER Gummies®, MiraFAST™ and MiraSOFT™ product logos displayed side by side on a purple background.
  • Products
    MiraLAX® product range includes MiraLAX® powder, Mix-In Pax®, MiraSOFT™, MiraFAST™, MiraFAST™ Kids soft chews and MiraFIBER® gummies.
    • Products
      • MiraLAX®
      • MiraLAX® Mix-In Pax
      • MiraLAX® Orange
      • MiraFIBER® Metabolism Support*
      • MiraFIBER® Daily Prebiotic Fiber
      • MiraFAST™
      • MiraFAST™ Kids
      • MiraSOFT™
      • MiraGUT™
  • Why MiraLAX® is Different
  • Constipation Education with MiraLAX®
    • Constipation Education with MiraLAX®
      • What Is Constipation? Causes and How to Relieve It
      • 7 Constipation Signs and Symptoms
      • Common Causes of Constipation
      • How to Relieve Constipation Symptoms
      • How to Avoid Constipation: 6 Practical Steps
      • Constipation During Pregnancy
      • Constipation in the Elderly
  • Tips & Resources
    • Tips & Resources
      • Can Stress Cause Constipation?
      • What Helps with Constipation? Foods That Help and Foods to Avoid
      • 7 Tips to Help with Travel Constipation
      • Fiber 101
      • Recipes
  • FAQ
  • Coupons
Bayer Cross Logo
  1. Home
  2. FAQ
  3. MiraFAST™ Kids

Frequently Asked 
Questions:
MiraFAST™ Kids

Frequently Asked 
Questions:
MiraFAST™ Kids

 

 

 

 

 

The information provided on this site is for educational purposes only and is not a substitute for professional medical advice. Please consult a healthcare professional for medical advice, diagnosis and treatment.

MiraLAX®       MiraFIBER®       MiraFAST™       MiraFAST™ Kids       MiraSOFT™       MiraGUT™

MiraLAX®MiraFIBER®
MiraFAST™MiraFAST™ Kids
MiraSOFT™MiraGUT™ 
EXPAND ALL COLLAPSE ALL

    How does MiraFAST™ Kids work?

    MiraFAST™ Kids is a saline laxative that contains magnesium hydroxide. It gently relieves constipation by attracting water into the intestines, making it easier to have a bowel movement—without cramps or stimulants.


    Is MiraFAST™ Kids safe for my child?

    MiraFAST™ Kids is a gentle saline laxative made from magnesium hydroxide for children 4 and up. It is safe and effective when taken as directed.


    What is Magnesium Hydroxide?

    Magnesium hydroxide is a saline laxative, a type of osmotic laxative that helps relieve constipation by attracting water into the intestines. This increased water retention softens the stool, making it easier and more comfortable to pass.


    What is the difference between MiraFAST™ Kids & MiraLAX®?

    MiraFAST™ Kids and MiraLAX® are both laxative products that work naturally with your body to relieve occasional constipation. However, they have different active ingredients and are indicated for different age groups.

    MiraFAST™ Kids is a saline laxative that is designed for quicker, gentle relief. It contains magnesium hydroxide, which provides cramp-free, stimulant-free relief in 30 minutes to 6 hours. It comes in a tasty, mixed berry-flavored soft chew. MiraFAST™ Kids is indicated for children 4 and up and adults.

    MiraLAX® is a gentle, osmotic laxative that works to relieve occasional constipation by drawing water into the intestines to soften and ease stool. It contains polyethylene glycol 3350 (PEG), which generally helps to produce a bowel movement in 1 to 3 days. It comes in a powder form that can dissolve in any hot or cold beverage and does not cause harsh side effects such as gas, bloating, cramping or sudden urgency. MiraLAX® is for adults and children 17 years of age and older. For children 16 years of age or under, ask a doctor.


    How many MiraFAST™ Kids chew should you take?

    Adults and children 12 years of age and older2 to 4 chews
    Children 6 to under 12 years of age1 to 2 chews
    Children 4 to under 6 years of age1 chew
    Children under 4 years of ageAsk a doctor

     

    Doses may be taken as a single daily dose, in divided doses or as directed by a doctor. Do not exceed the maximum recommended daily dose in a 24-hour period. Do not use for more than 1 week.


    How long does it take for MiraFAST™ Kids to work?

    MiraFAST™ Kids generally helps to produce a bowel movement in as little as 30 minutes to 6 hours.


    What is the active ingredient in MiraFAST™ Kids?

    MiraFAST™ Kids is a saline laxative that contains one active ingredient, magnesium hydroxide.


    How often can you take MiraFAST™ Kids?

    MiraFAST™ Kids soft chews can be taken once a day. However, stop use and ask a doctor if you need to use a laxative for more than 1 week.


    What is the best time of day to take MiraFAST™ Kids?

    There is no recommended time of day to take MiraFAST™ Kids. Begin taking MiraFAST™ Kids at the first signs of constipation, and take as directed until you experience relief. Do not use for more than 1 week.

    Packs of MiraLAX®, MiraLAX® Mix-in-Pax, MiraSOFTTM, MiraFAST™, MiraFAST™ Kids, and MiraFIBER®.
    MiraLAX®, MiraFIBER Gummies®, MiraFAST™ and MiraSOFT™ product logos displayed side by side on a purple background.
    • Site Map
    • Contact Us
    • For Healthcare Professionals
    • Products
      • MiraLAX®
      • MiraLAX® Mix-In
        Pax
      • MiraLAX® Orange
      • MiraFIBER®
        Metabolism Support*
      • MiraFIBER®
        Daily Prebiotic Fiber
      • MiraFAST™
      • MiraFAST™ Kids
      • MiraSOFT™
      • MiraGUT™
    • Why MiraLAX® Is Different
      • Constipation Education with MiraLAX®
      • Tips & Resources
      • Coupons
      • FAQ

    ©2026. All rights reserved. Unless otherwise indicated, all trademarks are owned by Bayer, and its affiliates, or licensed for its use.

    USE AS DIRECTED

    • Bayer Global
    • Bayer US
    • Bayer Consumer Health
    • Conditions of Use
    • Privacy Statement
    • Cookie Settings
    • Imprint
    • California Transparency in Supply Chains
    • Money-Back Guarantee
    • AdChoices
    • Do not sell my personal data
    • Accessibility