NeuroFiber fiber bars NeuroFiber bars with neurologist-recommended badge

#1 Neurologist Recommended Fiber Bar

The fiber bar built for your gut — and your brain.

14 clinically studied fiber sources. Whole food ingredients. One bar a day.

14 bars • 2 flavors • $40.99

Choose your flavor ↓

"Very tasty and effective in keeping my gut consistent and not feeling bloated!" — Susan H., Verified Buyer

4.8★ Reviews Clinically studied Featured on NBC Free shipping on 2+ boxes
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Ready to feel the difference?

One bar a day. Whole food ingredients. Clinically studied. Pick your flavor.

Chocolate Cherry Box: 14 bars

Chocolate Cherry — 14 bars

Rich chocolate and tart cherries. A delicious daily treat.

Delivery frequency:
$40.99 $40.99
Lemon Cranberry Box: 14 bars

Lemon Cranberry — 14 bars

Bright lemon and tart cranberries. A refreshing way to start your day.

Delivery frequency:
$40.99 $40.99
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Try the 10-day starter kit — a low-commitment way to see how NeuroFiber feels.

Try the 10-day kit — $15 →

Questions? Contact us · Results based on a 4-week pilot clinical study (ClinicalTrials.gov NCT07127120). Individual results may vary.

NeuroFiber vs. Other Fiber Bars

More than a fiber number. See what makes NeuroFiber different.

NeuroFiber
NeuroFiber Dark Chocolate Cherry fiber bar
14 whole food fiber sources
11g fiber per bar
Walnuts, chia, oats & flax
No inulin, gums or synthetic fillers
Fiber-first formula
Many Other Fiber Bars
Generic fiber bar illustration
Often rely on fewer fiber sources
Fiber content varies by brand
May use isolated fiber ingredients
Some contain added inulin or gums
Many prioritize protein over fiber

Real food. Diverse fibers. Designed with the gut–brain connection in mind. NeuroFiber brings a fiber-first approach to your everyday routine.

Learn more about our 4-week pilot study: ClinicalTrials.gov NCT07127120 →

Real ingredients. Nothing hidden.

Fiber as nature intended.

Diverse, plant-based whole food ingredients — exactly what your gut was designed to eat.

Walnuts

Walnuts

Supports long-term brain + cognitive health

Almonds

Almonds

Supports sustained energy + gut lining

Cashews

Cashews

Supports magnesium + nerve function

Chia Seeds

Chia seeds

Supports gut motility + brain omega-3s

Flax Seeds

Flax seeds

Supports bowel regularity + omega-3s

Pumpkin Seeds

Pumpkin seeds

Supports zinc + mood via gut-brain axis

Dates

Dates

Natural prebiotic fiber + sustained energy

Whole Grain Oats

Gluten-free whole grain oats

Supports gut microbiome + steady glucose

Prebiotic Fiber Blend

Prebiotic fiber blend

Supports long-term gut regularity + microbiome diversity

Solnul®, Soluble Corn Fiber, Sunfiber®, Rice Bran, Resistant Corn Starch

Green Tea Extract

Green tea extract

Supports focus + antioxidant protection

Vitamins D3, B12, E

Vitamins D3, B12, E

Supports immunity, nerve health + cellular protection

Lemon

Lemon

Bright citrus flavor

Cranberry

Cranberries

Tart antioxidants + natural sweetness

Dark Chocolate

Dark chocolate

Rich cocoa flavor

Cherry

Cherries

Natural fruit sweetness

*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.

#1 Neurologist Recommended Fiber Bar Clinically studied Featured on NBC

* 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.