For Metamucil powder, they can take ½ tsp mixed with 8 oz of a beverage. Ask your child’s doctor the correct dosage for your child if you’re using the Metamucil capsules or wafers.

Medically reviewed by Femi Aremu, PharmD Metamucil is a fiber supplement that may benefit people who don't get enough fiber in their diets. Metamucil's main ingredient is psyllium, a natural fiber ...

Benefiber and Metamucil are two popular fiber supplements. ... It is a non-allergenic form of soluble fiber that may not cause as much gas buildup as some other products.

This article reviews whether Metamucil can also help you lose weight, ... It’s available in powder, capsule, and wafer form and can be purchased over the counter without a prescription.