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Guide · updated 2026-11-03

MiraLAX, Imodium and Gas-X: Context Only

MiraLAX (polyethylene glycol), Imodium (loperamide) and Gas-X (simethicone) are over-the-counter drugs regulated by the FDA as medicines, not dietary supplements. GutVerdict does not score, rank or link to them for purchase.

ProductComments mentioning itThreads
MiraLAX5,4632,664
Imodium2,8721,404
Gas-X839570

Counts from the 428,786 comments we scanned. Metamucil is psyllium sold as an OTC drug, so Metamucil-only mentions are also left out of the psyllium score.

Why context only

Drug dosing and suitability depend on your health history, and the label and your pharmacist are the right sources. The NIDDK pages on constipation, diarrhea and gas describe the over-the-counter options doctors may suggest.[NIDDK][NIDDK][NIDDK]

If you are comparing supplements for the same symptoms, see IBS-C and constipation, IBS-D and bloating and gas.

For the full picture, see our gut supplement ratings built from Reddit owner comments. New to this? Start with how to choose a gut supplement. Check drug interactions for berberine, magnesium and garlic before you start.

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