Likely Safe High confidence

Metamucil 4-in-1 Psyllium Husk GLP-1 Friendly Fiber Supplement, Sugar-Free, 114 teaspoons, Orange Flavored, Daily Fiber Powder for Digestive Health, made with Plant-Based Psyllium Husk Fiber

Metamucil ★★★★★ 4.7 · 2,467 reviews

Labeled gluten-free with plant-based psyllium husk fiber; no explicit gluten-containing ingredients or cross-contact warnings found in provided data; no formal gluten-free certification evidenced.

🌾 Gluten-free labeled ⚠ No 3rd-party cert
$29.99
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Celiac verdict
Likely safe
Confidence
High
Type
Supplements
Size
1.46 pound (pack of 1)
Price tier
Premium
Read
5 min
✅ Why it works
  • High consumer satisfaction and perceived effectiveness for regularity.
  • Sugar-free, orange-flavored formulation marketed as easy to mix and palatable.
  • GLP-1 Friendly 4-in-1 fiber benefits highlighted in branding.
⚠ Keep in mind
  • Not all users report complete dissolution of the powder.
  • Digestive responses are variable; some buyers experience nausea or other GI effects.
  • Sugar-free formulation may raise concerns about artificial sweeteners.

Gluten safety details

Labeled gluten-free
Yes
Certifications
None documented
Ingredient risks
Contains psyllium husk fiber (gluten-free ingredient generally, no explicit gluten-containing ingredients shown in data), Contains phenylalanine (per sugar-free orange variant information; potential issue for PKU)
Cross-contact notes
No explicit cross-contact or shared facility warnings found in the provided sources.

Labeled gluten-free with plant-based psyllium husk fiber; no explicit gluten-containing ingredients or cross-contact warnings found in provided data; no formal gluten-free certification evidenced.

Phenylalanine content (25 mg per teaspoon in the sugar-free orange variant) for individuals with PKU or phenylalanine-restricted diets

What to expect

A daily fiber powder that should be mixed with liquid (water or another beverage) and consumed promptly. Many users report improved regularity and satisfaction with the orange, sugar-free formulation, but there may be initial bloating or changes in bowel habits as the body adjusts. Some users may be concerned about artificial sweeteners and the texture of the powder.

👍 Best for
  • Daily fiber supplementation
  • People seeking a sugar-free, orange-flavored psyllium powder
  • Those following a GLP-1-friendly fiber approach
👎 Not ideal for
  • Individuals sensitive to artificial sweeteners
  • Consumers who require explicit gluten-free certifications
  • People who dislike the texture or need for prompt consumption after mixing

The full guide

What this product is

Metamucil 4-in-1 GLP-1 Friendly Fiber Supplement is a gluten-free, sugar-free psyllium powder designed for daily digestive health. It uses plant-based psyllium husk fiber and is orange flavored. The product is marketed with GLP-1 friendly branding and a 4-in-1 benefit message, and it comes in a 114-teaspoon package. Consumer data show a high rating (4.7) from thousands of reviews, with many buyers reporting improved regularity and easy mixing. While the data do not show explicit gluten-containing ingredients, there is no formal gluten-free certification evidenced in the available sources.

How to use and what to expect

This daily fiber powder should be mixed with liquid (water or another beverage) and consumed promptly after mixing. Many users report improved regularity and satisfaction with the orange, sugar-free formulation, but initial adjustments may include bloating or changes in bowel habits as the body adjusts to higher fiber intake. Some reviewers note incomplete dissolution or a texture that can be texturally odd, and others express concerns about artificial sweeteners in the sugar-free variant. The product also notes a phenylalanine content (25 mg per teaspoon for the sugar-free orange formulation), which may be relevant for individuals with phenylketonuria or similar restrictions.

Gluten safety and certifications

The product is labeled gluten-free and uses psyllium husk fiber as the primary ingredient. There are no explicit gluten-containing ingredients listed in the available data, and there are no cross-contact warnings noted in the sources provided. However, there is no formal gluten-free certification evidenced (e.g., GFCO or NSF) in the data. Overall, the gluten safety assessment suggests the product is likely safe for celiac disease and gluten sensitivity based on labeling and ingredients available, with the caveat that formal certification is not shown.

Who it is for and value considerations

This product is best for people seeking a sugar-free, orange-flavored daily fiber supplement and who are exploring a GLP-1 friendly approach to fiber. The packaging offers 114 teaspoons, which may provide a long-lasting supply, and the sugar-free formulation can be appealing for those avoiding sugar or seeking flavor variety in psyllium supplements. It may be less ideal for individuals who are sensitive to artificial sweeteners, those who require explicit gluten-free certifications, or anyone who dislikes powder mixes that require prompt consumption after mixing.

What shoppers say

💚 People liked

⚠ People flagged

Powder sometimes requires prompt consumption after mixing and can be texturally odd
A subset of buyers reports not fully dissolving or lingering textures
Concerns about artificial sweeteners in the sugar-free variant

Key takeaways

  • Labeled gluten-free and sugar-free, with GLP-1 friendly branding.
  • High consumer rating suggests perceived effectiveness for regularity.
  • Be mindful of texture and phenylalanine content if sensitive to sweeteners or PKU-related concerns.
How we assess this: Gluto summarizes manufacturer labeling, listing data, and community signals — it is not a medical guarantee. Always read the current label and confirm with the manufacturer before purchase, especially for celiac disease.

Evidence gaps for this product:
  • No explicit gluten-free certification (GFCO/NSF) evidenced in provided data
  • No full ingredient list for all flavors beyond psyllium husk and orange flavor
  • No explicit cross-contact or shared facility details beyond generic warnings
Likely Safe Metamucil 4-in-1 Psyllium Husk GLP-1 Friendly Fiber Supplement, Sugar-Free, 114 teaspoons, Orange Flavored, Daily Fiber Powder for Digestive Health, made with Plant-Based Psyllium Husk Fiber $29.99
Buy on Amazon →