Supergummies
FIBER & REGULARITY

The best fiber gummies

A fiber gummy is not a smaller version of the powder. It is a different fiber doing a different job, at about a fifth of the dose. Worth knowing before you buy.

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Fiber-rich pears, raspberries, oats, chia seeds, lentils, and leafy greens

Last reviewed September 2026 · Next review December 2026

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The short answer

  • Top pick: Metamucil Fiber Gummies. The highest fiber per serving among mainstream gummies, with a blend including Fibersol.
  • Best sugar-free alternative: Vitafusion Fiber Well. Same dose, lower price, tougher texture.
  • Skip if: you are treating constipation and expect a gummy to do what psyllium does. It will not.

What we checked

We screened 19 fiber gummies, identified the specific fiber source in each, calculated grams of fiber per full daily serving rather than per gummy, flagged sugar alcohol content, and analyzed reviews across five retailers. Five products met our threshold. How we rank →

The honest caveat

Metamucil gummies do not contain what Metamucil powder contains, and neither gets you to your daily target.

This is the most important thing on the page. Metamucil's powders and capsules use psyllium husk, which forms a gel, bulks stool, and has the strongest evidence in the category including for cholesterol. Metamucil's gummies use a blend of inulin from chicory root and Fibersol, a soluble corn fiber. Those are prebiotic fibers that feed gut bacteria. They are useful. They are not psyllium, and the brand says so in its own FAQ.

The dose gap is the second issue. Adults need roughly 25 to 38 grams of fiber a day. A full daily serving of the best fiber gummy is about 5 grams, and that requires six gummies. A serving of psyllium powder is 5 to 7 grams in one scoop for a fraction of the price. Gummies are a supplement to a diet that already includes fiber, not a replacement for one.

Third: nearly every fiber gummy is sweetened with sugar alcohols, usually xylitol or sorbitol, because sugar-sweetened fiber gummies would be absurd. Sugar alcohols cause gas, bloating, and loose stools in a meaningful share of people, which is an unfortunate side effect for a product bought to fix digestive comfort. There is usually an adjustment period of one to two weeks. Also, xylitol is highly toxic to dogs. Keep the bottle away from them.

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The ranking

Our three picks, in order

Score / 100

Best overallGUMMY
82
ScreenedMetamucil Fiber Gummies studio photograph
Metamucil

Metamucil Fiber Gummies

the most fiber per serving in the mainstream category, from the brand with the deepest history in it, as long as you understand it is not psyllium.

What is in it

  • Fiber sourceInulin (chicory root) and Fibersol (soluble corn fiber)
  • Fiber per full serving5 g
  • SweetenerXylitol, no added sugar
Serving6 gummies, taken as 2 gummies three times daily
Review corpusNot confirmed
Read the Metamucil brand profile →
Check price on AmazonReviews on Trustpilot →

What people like most

  • It works for regularity, which is the overwhelming theme in reviews, including from people with IBS-C who describe it as resolving a long-standing problem.
  • Taste is very good for a fiber product. Reviewers describe the orange flavor as genuinely pleasant rather than tolerable.
  • No added sugar, which matters for a product taken three times a day.
  • Fibersol and inulin are both well-documented prebiotic fibers, and inulin at 5 to 10 grams daily has research behind it for increasing beneficial bacteria and improving digestive comfort within about two weeks.

What people might not like

  • Six gummies a day is a lot of chewing, and reviewers say so. It is also why the bottle disappears faster than the count suggests.
  • Xylitol causes gas, bloating, or loose stools in a meaningful minority, especially in the first two weeks.
  • The gummies are naturally sticky, which the brand acknowledges, and they clump.
  • It is not psyllium. People who switched from the powder expecting the same effect are the most common negative review, and that expectation gap is the brand's doing rather than the buyer's.

Score breakdown

Each bar shows points earned out of that component’s weight in the 100-point Supergummies Score.

Sentiment30/35
Verification10/25
Formulation18/20
Livability6/10
Value9/10
Runner-up 1GUMMY
78
ScreenedVitafusion Fiber Well studio photograph
Vitafusion

Vitafusion Fiber Well

the same dose of the same fiber for less money, with a texture that will test your jaw.

What is in it

  • Fiber sourceChicory root inulin
  • Fiber per full serving5 g
  • SweetenerSugar free, sugar alcohols
ServingNot confirmed
FlavorsPeach, raspberry, berry
Read the Vitafusion brand profile →
Check price on AmazonReviews on Trustpilot →

What people like most

  • Effective for daily regularity, and reviewers who use it long-term describe it as smoother and gentler than powders they used previously.
  • Good flavor across the three varieties, with peach the most praised.
  • Sugar free, and cheaper per serving than Metamucil.
  • Widely available, including at warehouse clubs in large counts.

What people might not like

  • The texture is the most consistent complaint by a wide margin. Reviewers describe it as rubber-band-like and say a single gummy takes an uncomfortable amount of chewing.
  • The sorbitol adjustment period produces more gas than competitors for some people, and reviewers describe the first week as rough.
  • Chicory root inulin alone, without the Fibersol blend, so a slightly narrower fiber profile.
  • No third-party verification beyond the brand's own internal and external lab testing.

Score breakdown

Each bar shows points earned out of that component’s weight in the 100-point Supergummies Score.

Sentiment28/35
Verification8/25
Formulation18/20
Livability5/10
Value10/10
Runner-up 2GUMMY
73
ScreenedOlly Fiber Gummy studio photograph
Olly

Olly Fiber Gummy

the lowest dose in the category and the easiest to actually take. A starting point for someone going from zero.

What is in it

  • Fiber sourceChicory root inulin
  • Fiber per serving3 g
VerificationNot confirmed
FlavorBerry
Read the Olly brand profile →
Check price on AmazonReviews on Trustpilot →

What people like most

  • The best taste in the category, which is Olly's consistent advantage and the reason people who have abandoned every other fiber product stick with this one.
  • Fewer gummies per serving than Metamucil, which reviewers appreciate.
  • Gentler introduction for people who have had bad experiences with higher-dose fiber products.
  • Third-party testing verification adds confidence in label accuracy.

What people might not like

  • 3 grams is the lowest dose we ranked, roughly 40% less than Metamucil or Vitafusion for a similar or higher price.
  • Reaching a useful daily fiber intake through this product alone is not realistic.
  • The same melting and fusing problem affects the whole Olly line.
  • Costs more per gram of fiber than either alternative.

Score breakdown

Each bar shows points earned out of that component’s weight in the 100-point Supergummies Score.

Sentiment28/35
Verification12/25
Formulation13/20
Livability9/10
Value6/10

Compared

 Metamucil Metamucil Fiber GummiesVitafusion Vitafusion Fiber WellOlly Olly Fiber Gummy
Score827873
Fiber per serving5 g5 g3 g
Fiber typeInulin + FibersolInulinInulin
Gummies per serving6Not confirmedNot confirmed
SugarNone addedNoneNot confirmed
Texture complaintsStickyVery chewyMinimal

The other format

POWDER

For constipation specifically, choose psyllium

Fiber gummies generally use inulin. Psyllium husk powder is the better-matched option for constipation and usually costs much less per useful gram. It needs mixing and plenty of water.

Browse recommended powders on Amazon

How to choose

Know which fiber you are buying, and why.

Psyllium bulks and softens stool and has the best evidence for constipation and cholesterol. Inulin and other prebiotic fibers feed gut bacteria and help with comfort and regularity over weeks. Gummies are almost always the second kind.

Calculate grams per day, not per gummy.

Then check how many gummies that requires.

Start at half a serving.

Ramping fiber quickly causes gas and cramping regardless of source. Two weeks at half, then increase.

Drink water.

All fiber needs it, and this is the most common reason fiber supplements make things worse rather than better.

If you have a dog, store it somewhere they cannot reach.

Xylitol is toxic to dogs at small doses.

Be honest about whether a gummy is the right tool.

If you need serious fiber, psyllium powder costs a fraction as much per gram and does more. The gummy's only advantage is that you will actually take it, which is not a small advantage.

Who should skip these

  • Anyone with a bowel obstruction, stricture, or history of one.
  • Anyone with gastroparesis or a swallowing disorder.
  • Anyone who has been told to follow a low-FODMAP diet. Inulin is a FODMAP and is likely to make symptoms worse.
  • Anyone with new or changed bowel habits, blood in the stool, or unexplained weight loss. See a doctor before reaching for a supplement.
  • Anyone taking medication that requires precise absorption timing, since fiber interferes. Separate doses by two hours.

Questions

No. The powder uses psyllium husk. The gummies use inulin and Fibersol, which are prebiotic fibers with different effects. The brand confirms this in its own FAQ.

Related

Sources

  • Metamucil product FAQ and ingredient panel
  • 2022 meta-analysis, inulin supplementation and Bifidobacterium, American Journal of Clinical Nutrition
  • Retailer review corpus, Amazon, Walmart, eBay