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Fiber Science

Fiber Science

BelliWelli is the only brand that combines prebiotic fiber + probiotics + collagen + electrolytes in a single delicious daily scoop. Your gut is a system, and a system needs a system-level solution.

Fiber 101

One nutrient for whole-body health

Fiber is a critical macronutrient, as fundamental as protein — but almost nobody gets enough.

the fiber gap

95% of Americans don’t eat enough fiber*

Most people don’t get enough fiber (you need 25-30g per day) – not because they don’t care, but because it’s difficult to get enough through food alone.

*Psst...that probably means you

Daily fiber gummies

Daily fiber gummies

10g Fiber

Based on 2 serving sizes. An easy and delicious way to hit your fiber goal

1/2 cup broccoli

1/2 cup broccoli

2.6g Fiber

Based on typical serving sizes

1 MEDIUM CARROT

1 MEDIUM CARROT

1.7g Fiber

Based on typical serving sizes

1 medium tomato

1 medium tomato

1.5g Fiber

Based on typical serving sizes

1 cup iceberg lettuce

1 cup iceberg lettuce

0.5g Fiber

Based on typical serving sizes

scfas

The powerhouse compounds behind nearly every fiber benefit

Fiber passes through to your colon intact, where gut bacteria ferment it into short-chain fatty acids (SCFAs), forming the engine of gut health.

SCFAs help:

Strengthens the gut barrier

Feeds beneficial bacteria

Reduces inflammation

Signals satiety hormones

Lowers cholesterol production

Regulates blood sugar

Targets cancer genes

clinically studied

Thoughtfully made, thoroughly tested

69%

of participants in our 12-week clinical study reported improved bowel movements*

64%

of participants in our 12-week clinical study agreed their gut health feels improved*

66%

of participants in our 12-week clinical study agreed the product improved their digestive comfort*

66%

of participants in our 12-week clinical study reported less bloating*

† Based on a 12-week randomized, triple-blind, placebo-controlled clinical trial of 100 participants conducted by Citrus Labs.

* 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.

belliwelli + glp-1

On a GLP-1?

  • GLP-1 medications can slow digestion and cause constipation.
  • Reduced appetite may lead to lower fiber intake.
  • BelliWelli Fiber Gummies are positioned as supporting digestion and regularity.
  • Fiber may help with fullness (“food noise”) and can naturally stimulate GLP-1.
Daily fiber, lasting benefits

Your gut loves consistency

Your gut microbiome continues to adapt after 3-4 weeks of consistently taking Belliwelli. Many people begin to notice improvements in regularity, digestion and day-to-day comfort by this time. It's not a magic, overnight fix. Real benefits come from hitting your 25-30g of fiber every single day.

Week 1

Your gut starts to adjust

As your microbiome adapts, you may notice changes in digestion. This is completely normal.

Week 2

Your gut bacteria thrive

Beneficial bacteria start to ferment prebiotic fiber, producing the compounds that will support gut and whole-body health.

Week 3

Consistency pays off

Fiber isn't a quick fix. The biggest benefits come from consistently meeting your daily fiber goals.

Week 5+

Consistency pays off

By now, consistently meeting your daily fiber goals can help support more regularity, less bloating, a healthy gut microbiome and better whole-body health.

Modern fiber that does more.

Modern, clinically studied fiber

BelliWelli's fibers are naturally derived, slowly fermented, prebiotic, and gentle.

Modern, clinically studied fiber

Old school, industrial byproduct fiber

This fiber forms a gel but is NOT fermented by gut bacteria, so it has NO prebiotic effect.

Old school, industrial byproduct fiber

A daily wellness ritual

Fiber supports your gut, body, and overall quality of life.

Get started