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Best Fiber and Digestive Supplements for GLP-1 Side Effects in 2026

Supplements to manage constipation, bloating, and nausea on Ozempic, Wegovy, and Mounjaro

MOST POPULAR

1

Metamucil Psyllium Husk Fiber

  • The most-recommended fiber supplement for GLP-1 constipation relief
  • Psyllium husk has the strongest clinical evidence across multiple RCTs
  • Dual-action soluble and insoluble fiber in one serving
  • Sugar-free version avoids extra carbs during weight loss
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9.6

MOST POPULAR

2

Citrucel Methylcellulose Fiber

  • Non-fermentable synthetic fiber produces significantly less gas than psyllium
  • Best fiber option for GLP-1 users prone to bloating
  • Gentle, predictable relief with minimal GI side effects
  • Great pick when psyllium causes discomfort
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9.2

MOST POPULAR

3

Seed DS-01 Daily Synbiotic

  • Clinical-strength probiotic with 24 strains plus prebiotic outer capsule
  • Research-backed strains for digestion, gut barrier, and cardiovascular health
  • Acid-resistant capsule survives stomach acid (important for GLP-1 users)
  • Monthly subscription at around $50 [VERIFY current price]
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9

MOST POPULAR

4

Culturelle Digestive Daily Probiotic

  • Lactobacillus rhamnosus GG is the most clinically studied probiotic strain
  • Widely available at drugstores and affordable
  • Culturelle Digestive Daily Fiber version adds prebiotics
  • Reliable starting point for GLP-1 users new to probiotics
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8.8

MOST POPULAR

5

Natural Vitality Calm Magnesium

  • Magnesium citrate powder that draws water into the intestine for acute constipation
  • Also supports sleep quality, which often suffers during GLP-1 titration
  • Powder form is easier to tolerate than large capsules
  • Takes effect within hours rather than days like fiber
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8.6

MOST POPULAR

6

Gin Gins Ginger Chews

  • Real ginger candy for nausea relief during dose titration
  • Portable and discreet for on-the-go symptom management
  • Clinical evidence supports ginger for nausea and delayed gastric emptying
  • Widely available at Whole Foods, Amazon, and most grocery stores
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8.4

MOST POPULAR

7

IBgard Peppermint Oil Capsules

  • Enteric-coated peppermint oil targets the small intestine, not the stomach
  • Clinical evidence for bloating, cramping, and post-meal discomfort
  • Avoids heartburn risk of regular peppermint oil capsules
  • Works fast for acute GI distress episodes
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8.2

MOST POPULAR

8

Benefiber Prebiotic Fiber

  • Wheat dextrin fiber that dissolves clear in water or coffee
  • No grit or taste makes it easy to consume during low appetite
  • Feeds beneficial gut bacteria that may enhance GLP-1 activity
  • Start with half-doses to avoid initial bloating
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8

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