Advanced Synbiotic Fiber
Fiber has never been built like this.
95% of Americans don't get enough fiber.* And the ones who do? They're probably getting the wrong kind.
*American Society for Nutrition
- For Your Gut.
- For Your Brain.
- For Your Metabolism.
- For Your Immune System.
We track our macros. We watch our sugars. We’re still starving our foundation.
Everyone gives a lot of attention to hitting their daily protein goals or cutting out processed foods, but we are completely overlooking the most important fuel our bodies need: the right kind of fiber.
Gut health isn't just about digestion.
It’s the control center for your mood, your immune system, and your daily energy.
But here is the problem:
Your gut isn’t one environment. It’s a series of them. Different bacteria. Different chemistry. Different needs.
Most fiber supplements ignore all of it.
One ingredient. One speed. Done.
When you take a basic, single-ingredient fiber, it breaks down too fast. Rapid fermentation produces a burst of gas, a spike of bloating, and a short window of benefit. Then it’s over. The bacteria that needed it most never got fed.
A Formula Designed for Every Layer.
We designed for every layer. So you don’t have to think about any of them.
Research confirms: The single strongest predictor of a healthy gut isn’t any one food. It’s the variety of plant types consumed in a week. Because your bacteria don’t all eat the same thing.
We built a 12‑ingredient system that works across multiple layers of your gut.
12 g total dietary fiber per serving
Solnul® Resistant Potato Starch (RS2)
3,500 mg · 2,325 mg fiberFeeds RS2-specialist fermenters in the distal colon with strong butyrate output and minimal proximal gas.
Fiber type: 0% soluble / 100% insoluble resistant starch (RS2)
Fermentation speed: Slow, distal-colon focused
Strains fed: B. adolescentis, B. pseudolongum, E. rectale, Roseburia spp., F. prausnitzii, C. butyricum, A. muciniphila (cross-feeding)
SCFAs: Strong butyrate plus acetate; minimal proximal gas
Purified Alpha Cellulose
2,000 mg · 1,950 mg fiberNon-fermentable bulking fiber that adds mechanical transit and stool form without gas production.
Fiber type: 0% soluble / 100% insoluble
Fermentation speed: Non-fermentable
Strains fed: Minimal direct feeding; benefits via transit time and water content
SCFAs: Negligible; focuses on bulk and motility
Acacia Fiber (Gum Arabic)
2,000 mg · 1,900 mg fiberBranched, low-viscosity soluble fiber with broad-spectrum prebiotic effects and excellent tolerance.
Fiber type: ~100% soluble / 0% insoluble
Fermentation speed: Moderate
Strains fed: B. longum, B. animalis, B. breve, L. acidophilus, L. paracasei, Bacteroides spp., F. prausnitzii
SCFAs: Acetate and propionate; butyrate via cross-feeding
Partially Hydrolyzed Guar Gum (PHGG)
2,000 mg · 1,800 mg fiberLow-viscosity galactomannan that improves stool form and supports butyrate producers and metabolic markers.
Fiber type: ~100% soluble / 0% insoluble
Fermentation speed: Slow–moderate
Strains fed: B. longum, F. prausnitzii, Roseburia spp., Ruminococcus spp., P. distasonis, Bacteroides spp., Akkermansia (cross-feeding)
SCFAs: Balanced acetate, propionate, and butyrate; strong butyrate support
Oat Hull Fiber
1,500 mg · 1,300 mg fiberInsoluble structural fiber that drives stool bulk, water binding, and peristalsis with minimal fermentation.
Fiber type: ~5% soluble / 95% insoluble
Fermentation speed: Practically non-fermentable
Strains fed: Very limited direct feeding; mainly physical bulk
SCFAs: Minimal; mostly non-fermentable fraction
Larch Arabinogalactan
1,000 mg · 980 mg fiberImmune-modulating soluble fiber with a strong propionate signal that supports Akkermansia and bifido clusters.
Fiber type: ~100% soluble / 0% insoluble
Fermentation speed: Moderate
Strains fed: B. longum, B. bifidum, B. animalis, B. thetaiotaomicron, Gemmiger, Blautia, Akkermansia (cross-feeding)
SCFAs: Acetate and propionate; butyrate via cross-feeding
Fenugreek Fiber (Galactomannan‑Rich)
1,000 mg · 600 mg fiberGalactomannan substrate that supports Lactobacillus and bifido species while modulating glycemia and satiety.
Fiber type: ~67% soluble / 33% insoluble
Fermentation speed: Moderate
Strains fed: L. reuteri, L. johnsonii, Bifidobacterium spp., other Lactobacillus spp.
SCFAs: Mainly acetate with some propionate and butyrate via cross-feeding
Organic Pea Fiber
1,000 mg · 520 mg fiberLegume fiber that activates succinate pathways and supports Prevotella and propionate-producing Bacteroidetes.
Fiber type: ~43% soluble / 57% insoluble
Fermentation speed: Moderate
Strains fed: Prevotella copri / Prevotellaceae, Lachnospiraceae, Bifidobacterium spp.
SCFAs: Strong propionate with acetate; some butyrate via cross-feeding
Chia Seed Powder
750 mg · 300 mg fiberGel-forming seed powder that adds mucilage, stool lubrication, and minor mixed-fiber support.
Fiber type: ~10% soluble / 90% insoluble
Fermentation speed: Moderate (minor contributor)
Strains fed: Broad, low-level support for resident SCFA producers
SCFAs: Mainly acetate with smaller propionate and butyrate contribution
Apple Pectin Powder
250 mg · 225 mg fiberRapidly fermenting soluble pectin that primes proximal SCFA and incretin responses.
Fiber type: 100% soluble / 0% insoluble
Fermentation speed: Moderate–fast (proximal colon)
Strains fed: B. longum, B. breve, Lactobacillus spp., F. prausnitzii (cross-feeding)
SCFAs: Rapid acetate and propionate; butyrate via cross-feeding
Pumpkin Seed Powder
750 mg · 100 mg fiberWhole-matrix seed powder that adds a touch of fermentable fiber plus minerals and texture.
Fiber type: ~40% soluble / 60% insoluble (approx.)
Fermentation speed: Moderate (minor contributor)
Strains fed: General microbiota support at low magnitude
SCFAs: Mixed SCFA profile, mostly acetate
LactoSpore® Bacillus coagulans MTCC 5856
2 Billion CFU · 133 mgHeat-stable, spore-forming probiotic that survives stomach acid and synergizes with the prebiotic matrix.
Type: Spore-forming lactic acid probiotic (not a fiber source)
Fiber: 0 g (prebiotic matrix provides substrate)
Metabolites: Produces lactate and acetate that cross-feed butyrate/propionate producers
Primary role: Supports GI comfort and SCFA networks alongside the 11 fibers
In a randomized, placebo-controlled human study, Solnul RS2 significantly lowered circulating serum histamine and improved markers of gut barrier function, helping support histamine resilience from the inside out. (source)
The Science of Slower, Better Digestion
Slow-fermenting fibers stay active longer. They feed more species over more time. They produce steadier output. Less gas. Less bloating. More consistent results.
Formulated with low‑FODMAP–friendly fibers (no inulin or FOS), designed for better tolerance in sensitive guts.
InfiniFiber isn't just a supplement; it’s a high‑performance bio‑fuel for your microbiome.
InfiniFiber targets the gut‑brain axis by treating your gut like an ecosystem, not a single pipe.
Engineered to stay active through the entire GI tract. InfiniFiber’s slow and staggered fermenters are tuned to keep activity going further down the gut, supporting barrier species and SCFA production where most basic fibers stop working.
Slow
The largest fraction. This is where the sustained benefit comes from.
Fast-fermenting
By design. Fast fermentation is why people quit fiber supplements. We made it the smallest fraction of the formula.
Precision Microbiome Support
Each fiber layer targets specific bacteria and metabolites.
The InfiniFiber Difference
Optimized for propionate.
The metabolite most fiber supplements underdeliver.
When you rely on single-ingredient fibers, you miss out on the full picture. Research shows 75% of people taking a single fiber source experienced a reduction in gut bacteria diversity, while carefully designed fiber blends supported over two times more beneficial bacterial species; including unique strains no single fiber could reach alone. (Tan et al. 2023; Cantu-Jungles et al. 2025)
Bacteria ferment fiber into short-chain fatty acids (SCFAs). These are the actual molecules your body uses. Not all of them do the same thing. Most fiber supplements produce a generic mix, heavy on butyrate. We formulated for a different output.
Supplement
System
That difference matters.
Propionate is the SCFA most directly linked to satiety hormone secretion, liver fat reduction, and cardiovascular protection.
We didn’t optimize for one SCFA. We balanced all three. Most fibers skew heavily toward a single SCFA output. We paired propionate-emphasizing fibers (Pea, Larch AG, Acacia) with butyrate-emphasizing fibers (Solnul RS2, PHGG) and acetate contributors (Fenugreek, Pectin, Chia, Pumpkin). The result is a controlled ratio across all three metabolites, not just heavy in one.
| SCFA | Daily Yield | What it does |
|---|---|---|
| Propionate | 1.6–1.8 g | Satiety (GLP-1), cholesterol, blood-brain barrier |
| Butyrate | 1.3–1.5 g | Gut barrier repair, anti-inflammatory, colonocyte fuel |
| Acetate | 3.2–3.5 g | Systemic energy, lipid metabolism |
Most typical supplements produce a less-balanced mix that is heavy on butyrate and underdelivers on propionate. We recognized the importance of an optimized SCFA profile, pairing specific fibers to achieve a controlled ratio across all three metabolites. Our formula delivers a 25–28% propionate ratio compared to the 15% found in standard supplements, providing superior support for satiety and metabolic health.
Three jobs. One ratio.
Fiber does three things. Most products optimize for one. InfiniFiber is tuned for all three.
Feed
Fermentable fibers become fuel for bacteria → SCFAs for mood, immunity, metabolism.
Protect
Slow-fermenting fibers stay active longer, strengthening the gut lining and feeding barrier species.
Move
Non-fermentable fibers add bulk and keep transit consistent for regularity without gas.
Then we added something alive.
Fiber feeds the bacteria already in your gut. But research shows: adding a targeted probiotic alongside prebiotic fiber produces results neither achieves alone.
Across every category, every benefit, synbiotics outperform. Digestive symptoms. Immune markers. Sleep quality. Mood.
LactoSpore® Heyndrickxia coagulans MTCC 5856
2 Billion CFUSpore‑forming probiotic that stays dormant through the stomach, briefly activates in the intestine, then clears instead of colonizing long term. It produces L(+) lactic acid and acetate that your microbiome converts into propionate and butyrate, helping prime SCFA production. In a 30‑day human study, it significantly reduced functional gas and bloating versus placebo with a strong safety profile.
One serving. Infinite results.
It wasn’t designed to be the simplest fiber supplement. It was designed to be the best.
The Best Time to Start
Experience Total-Body Balance
Choose your InfiniFiber supply and start rebuilding your gut, brain, and metabolic foundation with a daily, science-backed synbiotic fiber ritual.
30 Servings
Great for first-time InfiniFiber users
- Perfect 30-day trial to feel the difference
- 11 clinically relevant fibers + 1 targeted probiotic
- Supports digestion, mood, and metabolic health
- Free US Shipping
60 Servings
Built for long-term functional support
- 2-month supply for deeper, more stable results
- Ideal for locking in fiber, SCFA, and mood benefits
- Best price per serving
- Free US shipping
Most people notice smoother digestion within the first 1–2 weeks, with compounding benefits over 4–8 weeks of consistent daily use.
Frequently Asked Questions
Most people notice smoother digestion and better regularity within the first few days. Broader benefits—like sustained energy, reduced brain fog, and improved mood—build over 2 to 4 weeks as your gut microbiome fully adapts to the new, diverse fuel sources.
No. Most basic, single-ingredient fiber supplements ferment way too quickly in your gut, which causes a sudden spike in gas and bloating. InfiniFiber is engineered with 5 different fermentation speeds. This means it breaks down slowly and steadily over time, feeding your gut bacteria without the uncomfortable gas buildup.
Simply mix one serving daily into water, a protein shake, or your favorite beverage. Because this is a highly advanced formula with 11 different fibers, we recommend starting with a half-serving for the first 3 to 5 days to let your digestive system comfortably adjust, then moving up to a serving of 2 scoops.
Fiber acts as food (prebiotics) for good bacteria. By including LactoSpore®—a highly resilient probiotic that easily survives stomach acid—we are giving you both the healthy bacteria and the exact fuel it needs to thrive. They work together as a complete gut-restoring system.
Absolutely. In fact, InfiniFiber is designed to be the foundation of your daily routine. A healthy, balanced gut actually improves your body's ability to absorb nutrients, which can make the rest of your health and wellness routine even more effective.
It’s for anyone looking to optimize their digestion, immune system, and daily vitality. Since 95% of Americans do not get enough diverse fiber from their diet, this is the perfect starting point to build a stronger foundation for your overall health.