ConsumerLab.com uses JavaScript to provide the best possible experience for our content, but your browser has it disabled. Learn how to enable it here.

About ConsumerLab.com

Search term may appear only in full report available to members. Join now for full access.

Product Review

Prebiotic Supplements Review

You Can't Tell How Much Fiber Is Really In Most Prebiotics Without Testing

Prebiotics 2024 Expanded Review

Clinical Update

3/08/2024

Benefiber, Meta Mucil Tested

Find out how Benefiber compares to less expensive Optifiber and about its health claims, and how Meta Mucil Fiber Gummies is different from other Meta Mucil products we’ve tested. It’s all in our updated Prebiotic Supplements Review.

Also see our recent tests of psyllium supplements.

Recalls & Warnings

April 29, 2020

Benefiber Prebiotic Fiber Supplements Recalled Due to Possible Plastic Contamination

On April 28, 2020, GSK Consumer Healthcare recalled one lot of Benefiber Healthy Shape Prebiotic Fiber Supplement powder and four lots of Benefiber Prebiotic Fiber Supplement powder because they have the potential to be contaminated with green plastic pieces or shavings from bottle ...

CL Answer

Do any supplements help for ulcerative colitis?

Find out what supplements & vitamins can help with ulcerative colitis, such as VSL#3, curcumin, aloe or boswellia.

Woman Grabbing Stomach Due To Abdominal Discomfort

Recalls & Warnings

January 06, 2025

ZOE Prebiotic Blend Recalled Due to Metal Pieces, Stones

On December 4, 2024, Zoe US, Inc. recalled 142 units of ZOE Daily 30+ Prebiotic blend because it may contain foreign objects such as small metal pieces and/or stones.

CL Answer

Which supplements and foods help relieve constipation and which can cause constipation?

Find out which supplements can cause constipation, including iron, calcium, protein powders and drinks and others. ConsumerLab.com's answer explains.

Which supplements can cause constipation? -- Woman with gastrointestinal pain