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Polyethylene Glycol (Miralax)

Polyethylene Glycol 3350 (PEG 3350) is the active ingredient in MiraLAX® — a popular over-the-counter osmotic laxative used to relieve occasional constipation. It works by drawing water into the colon, softening the stool, and making bowel movements easier.

At xeteor.com, we offer generic PEG 3350 powders, including GoodSense brand ClearLax®, which provides the same gentle, cramp-free relief as MiraLAX® — but at a significantly lower price.

  • Same relief. Bigger savings.
  • Available in single bottles and money-saving 2-packs.

Browse our most popular GoodSense ClearLax® options:

Learn more in our full guide: MiraLAX Generic Alternatives.

Trusted by thousands of customers and healthcare providers across the U.S., xeteor.com offers real savings on generic laxatives without compromising on quality or speed.

Looking for MiraLAX®?
Both of these Rugby-brand products contain the same active ingredient — Polyethylene Glycol 3350 — used in MiraLAX®. Choose from full-size (17.9 oz) or compact (8.3 oz) bottles and save significantly over name-brand pricing.

  • ✅ Same active ingredient: PEG 3350
  • ✅ Gentle, effective relief from occasional constipation
  • ✅ No dyes, no flavors, and no harsh stimulants
  • ✅ Save up to 50% compared to MiraLAX®

Save on MiraLAX® Alternatives

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  • GoodSense ClearLax 17.9 oz front label view – polyethylene glycol 3350 osmotic laxative Bottle of GoodSense ClearLax on a bathroom counter, next to a glass of water, folded towels, and a sink.

    GoodSense ClearLax Polyethylene Glycol 3350 Powder Osmotic Laxative - 17.9 oz | Miralax

    GoodSense
    $19.99
    GoodSense ClearLax Polyethylene Glycol 3350 Powder – 17.9 oz (30 Doses) | Compare to MiraLAX® Gentle, Predictable Relief for Occasional Constipation GoodSense® ClearLax® provides effective, gentle relief from occasional constipation...
    Add to Cart

FAQs

  • Is Rugby PEG 3350 the same as MiraLAX? Yes — both contain polyethylene glycol 3350 as the active ingredient.
  • Is this a sugar-free MiraLAX alternative? Yes — Rugby PEG 3350 powder is unflavored and sugar-free.
  • Is a prescription needed? No — it's available over the counter.

How does Polyethylene glycol 3350 or PEG 3350 (Miralax) work?

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Polyethylene glycol 3350 or PEG 3350 (brand name: Miralax) is a over-the-counter type of osmotic laxative commonly used to relieve constipation. Miralax works by drawing water into the intestines, softening the stool, and promoting bowel movements.

 

When Miralax is ingested, PEG 3350 remains in the digestive tract without being absorbed into the bloodstream. It works by creating an osmotic effect in the intestines, meaning it attracts water from the surrounding tissues and pulls it into the bowel. This results in an increase in the volume of water in the stool, making it softer and easier to pass.

 

The increased water content in the stool helps to stimulate bowel movements and relieve constipation. It also helps to hydrate and soften the stool, making it less likely to be dry and hard, which can cause discomfort during bowel movements.

 

Miralax is typically taken orally by mixing it with a liquid, such as water or juice. It usually takes about 12 to 72 hours for Miralax to produce a bowel movement. It is important to follow the instructions provided by your healthcare provider or the packaging of Miralax when using the medication.

 

As always, if you have persistent or severe constipation, it is recommended to consult a healthcare professional for proper evaluation and guidance. They can help determine the underlying cause of constipation and recommend the most appropriate treatment approach.