- Delayed-release capsule technology
- Acid-resistant strains that survive stomach acid
- Shelf-stable formulation (no refrigeration required)
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Trusted by 1M+ Customers | 30-Day Supply
Synbiotics 200
3-IN-1 FORMULA
Your all-in-one gut, immune, and digestive support with clinically-studied pre, pro, and postbiotics — at the highest verified potency on the market.*
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Manufactured in the U.S.A.
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- Supports Reduction in Bloating & Belly Pain: Formulated with ButyraGen®, a clinically-studied tributyrin for digestive comfort*
- Supports Immune Defense: Contains IMMUSE®, a clinically-studied postbiotic for immune support*
- 200 Billion Total Cells: 100B probiotics + 100B postbiotics*
- 30 strains, 3 Patented Ingredients: Akkermansia, ButyraGen® & IMMUSE®*
- No refrigeration needed: shelf-stable formula, full potency*
Synbiotics 200
- One-Time Purchase: $39.97
- Subscribe & Save: $29.97
Feel the difference of a truly healthy gut.
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30 Diverse Probiotic Strains
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Engineered to Survive
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Clinically Validated Ingredients
Engineered to Survive
ButyraGen® Clinical Research:
Large-Scale Digestive Comfort Study
- Design: 596 participants, 6-week double-blind virtual randomized controlled trial
- Population: Adults experiencing occasional digestive discomfort
- Dosage: 200mg ButyraGen® tributyrin daily
- Primary Outcomes:
- 18% reduction in abdominal pain intensity vs. placebo (statistically significant)
- 15% reduction in gas and bloating symptoms, particularly pronounced in female participants
- Improvements in overall digestive comfort scores across multiple validated assessment tools
- Timeline:
- Initial relief observed starting at week 2 of supplementation
- Benefits sustained and continued to improve through week 6
- No tolerance development—effects remained consistent throughout study period
- Safety Profile: Excellent tolerability with minimal side effects, significantly lower GI complaints compared to high-dose prebiotic fiber interventions
- Clinical Significance: This large participant pool demonstrates real-world effectiveness for gentle digestive comfort without the common side effects associated with traditional fiber supplements (gas, bloating, cramping). The rapid onset of benefits (2 weeks) makes this clinically relevant for consumers seeking timely relief.
- Published: Nutrition research databases (cdn.nutrition.org)
Safety & Anti-Inflammatory Pilot Study
- Design: 24 participants, 21-day prospective clinical trial
- Population: Healthy adults without pre-existing inflammatory conditions
- Dosage: 200mg ButyraGen® daily
- Safety Results:
- Well-tolerated with <10% of participants reporting mild, transient GI complaints
- No serious adverse events reported
- No clinically significant changes in vital signs or laboratory values
- Compliance rate >95%, indicating ease of daily use
- Anti-Inflammatory Findings:
- Trending reduction in high-sensitivity C-reactive protein (hs-CRP), a key systemic inflammation marker
- Participants with baseline elevated inflammation showed more pronounced improvements
- Suggests potential metabolic and cardiovascular benefits beyond gut health
- Mechanistic Insights: Butyrate's known anti-inflammatory properties were reflected in systemic markers, supporting the hypothesis that gut-derived butyrate influences whole-body inflammation
- Clinical Significance: Confirms ButyraGen® is safe for daily long-term use while providing preliminary evidence of systemic health benefits. The anti-inflammatory findings open possibilities for metabolic health applications beyond digestive support.
Butyrate Production Research
- Design: In vitro human colon fermentation model (SHIME® system - Simulator of Human Intestinal Microbial Ecosystem)
- Comparison Groups: ButyraGen® 200mg vs. Inulin 4g vs. ButyraGen® + L. rhamnosus GG probiotic
- Key Findings:
- Equivalent Output: 200mg ButyraGen® produced the same amount of butyrate as 4,000mg (4g) of inulin prebiotic fiber
- Dose Efficiency: This represents a 20:1 concentration advantage—delivering maximum butyrate support without requiring 8× more capsules
- Synbiotic Synergy: When ButyraGen® was combined with L. rhamnosus GG probiotic strain, butyrate production more than doubled compared to probiotic alone
- Sustained Production: Unlike single-dose butyrate supplements that absorb quickly in the upper GI tract, ButyraGen®'s Sunfiber® matrix enabled sustained butyrate generation throughout the entire colon
- Microbiome Impact: The combination enhanced populations of butyrate-producing bacteria (Faecalibacterium, Roseburia), creating a positive feedback loop for ongoing butyrate synthesis
- Clinical Implications:
- Eliminates the need for high-dose fiber supplementation that often causes gas, bloating, and requires multiple large capsules
- Demonstrates true synbiotic effect—prebiotics, probiotics, and postbiotics working synergistically rather than just coexisting in a formula
- Validates our 3-in-1 approach: the prebiotics feed the probiotics, which enhance ButyraGen®'s conversion to butyrate
- Published: SAGE Journals, Nutrition Research databases
Mechanism of Action - How ButyraGen® Works:
ButyraGen® utilizes a patented dual-release mechanism optimized for maximum butyrate delivery throughout the entire digestive tract:
Phase 1 - Small Intestine (Immediate Release):
- Pancreatic lipase enzymes cleave the tributyrin molecule into three individual butyrate molecules
- These free butyrate molecules are immediately available for absorption by small intestinal cells
- Provides rapid support for intestinal barrier function and local anti-inflammatory effects
- This immediate-release component differentiates ButyraGen® from standard butyric acid supplements that can cause unpleasant odor
Phase 2 - Large Intestine (Sustained Release):
- The Sunfiber® (partially hydrolyzed guar gum) carrier matrix reaches the colon intact
- Beneficial bacteria ferment the Sunfiber®, generating additional butyrate production
- This sustained release ensures butyrate availability for colonocytes (colon lining cells) where it's most needed
- Creates an optimal environment for butyrate-producing bacteria to thrive
Synergistic Enhancement: When combined with our 30-strain probiotic blend (particularly Lactobacillus and Bifidobacterium species), ButyraGen®'s effectiveness multiplies. The probiotics enhance fermentation efficiency, increase butyrate yield, and support a healthier gut environment that naturally produces more short-chain fatty acids.
Why Butyrate Matters: Butyrate is the preferred energy source for colonocytes (cells lining your colon), providing up to 70% of their energy needs. Beyond cellular fuel, butyrate strengthens tight junctions between intestinal cells (reducing "leaky gut"), modulates immune responses, supports healthy inflammation levels, and has been shown to influence metabolic health, brain function, and even mood regulation through the gut-brain axis.
The ButyraGen® Advantage: Traditional approaches to increasing butyrate require consuming 15-20g of fermentable fiber daily, which often causes significant gas, bloating, and digestive discomfort—ironically, the very symptoms people are trying to resolve. ButyraGen®'s concentrated tributyrin complex delivers therapeutic butyrate levels in just 200mg, making it practical for daily use without the bulk or side effects of high-dose fiber protocols.
The Synbiotics 200 difference: Benefits that build over time
Results you can feel in as little as 7 days.*
What does bad bacteria overgrowth mean?
Signs you have bad bacteria overgrowth
- Constant bloating & gas
- Irregular digestion
- Brain fog & low energy
After balancing your gut bacteria
- Reduced bloating & gas
- Smooth, regular digestion
- More energy & focus
What can cause bad bacteria overgrowth
Bad bacteria overgrowth can be triggered by antibiotics that wipe out good bacteria along with the bad, a diet high in processed foods and sugar that feeds harmful strains, chronic stress that disrupts your gut lining, and lack of dietary fiber that starves your beneficial bacteria. Even everyday factors like travel, poor sleep, and alcohol can throw your gut balance off.
How can you avoid bad bacteria overgrowth
The most effective way is to feed and replenish your good bacteria daily. Eating fiber-rich foods, managing stress, and avoiding unnecessary antibiotics all help. But for most people, diet alone isn't enough — which is why a 3-in-1 synbiotic like Synbiotics 200 combines prebiotics to feed good bacteria, 30 probiotic strains to repopulate your gut, and ButyraGen® postbiotics to repair the gut lining. In clinical studies, ButyraGen® reduced belly pain by 18% and bloating by 15% in just 6 weeks.
What to Expect
What’s Inside Our Synbiotics 200
Exceptional formulas with the highest levels of active ingredients
30-Strain Probiotic
100 Billion CFU from 30 diverse bacterial strains
IMMUSE®
Lactoccocus lactis strain Plasma (Postbiotic)
Butyragen®
Butyragen® Tributin Complex standardized to 50% Tributin
Akkermansia
Akkermansia muciniphila AH39 (pasteurized)
Toniiq Synbiotics 200 vs. The Market
Our Synbiotics 200 outperforms other probiotics. Updated February 2026.
| Feature |
Toniiq
Synbiotics 200
|
Seed
DS-01 Synbiotic
|
Other
Greens Powder
|
Ritual
Synbiotic+
|
Thorne
FloraPro-LP
|
|---|---|---|---|---|---|
| Monthly (Sub) | $29.98 | $49.99 | $79.00 | $43.50 | $39.00 |
| One-Time | $39.97 | $59.99 | $99.00 | $60.00 | $39.00 |
| CFU / Potency | 200 Billion | 53.6 Billion | Not Disclosed | 11 Billion | 50 Billion |
| Strains | 30 | 24 | Not Disclosed | 2 | 12 |
| Prebiotics | ✓ | ✓ | ✕ | ✓ | ✕ |
| Probiotics | ✓ | ✓ | ✓ | ✓ | ✓ |
| Postbiotics | ✓ | ✕ | ✕ | ✓ | ✕ |
| Guarantee | 60 Days | 30 Days | 90 Days | 30 Days | 30 Days |
Try it, Risk-FREE!
We want you to be 100% satisfied with Toniiq. If you are not entirely happy with your purchase we will give you a 100% no questions asked refund.
Strains and actives that work harder for your whole body.
Clinically proven ingredients selected for immune defense, digestive comfort, and comprehensive gut health.
Complete Ingredient Breakdown
PostbioticBlend — 300mg + 100B TFU
ButyraGen® Tributyrin Complex — 200mg
- Patented, odor-free tributyrin standardized to 50% tributyrin
- Clinically proven to reduce belly pain by 18% and bloating by 15% in 596 adults
- Delivers equivalent butyrate to 4g inulin without the gas or bulk
- Provides immediate fuel for gut lining cells (colonocytes)
IMMUSE® LC-Plasma — 39mg (100 Billion Cells)
- Heat-killed Lactococcus lactis strain Plasma postbiotic
- Clinically proven to reduce sick days by ~30% in 213 adults
- Activates immune "master switch" cells (plasmacytoid dendritic cells) within hours
- Backed by 30+ studies including 15 human clinical trials
- GRAS-certified, allergen-free, shelf-stable
Akkermansia muciniphila AH39 — 10mg (100 Billion TFU)
- Pasteurized next-generation probiotic
- Clinically shown to improve insulin sensitivity by 29% and reduce cholesterol by 9%
- Supports gut barrier integrity and metabolic health
30-StrainProbiotic Blend — 167mg (100 Billion CFU)
Maximum diversity formula with clinically studied strains for comprehensive gut-immune support.
Lactobacillus Strains (Immune & Digestive Support):
- L. acidophilus LA85
- L. plantarum LP89
- L. rhamnosus LRa05
- L. salivarius LS97
- L. helveticus LH76
- L. paracasei LC86
- L. brevis LB01
- L. bulgaricus LB42
- L. gasseri LG08
- L. crispatus LCr60
- L. fermentum LF61
- L. johnsonii LJ09
- L. jensenii LJs52
- L. sakei LSa79
- L. curvatus LCu103
Bifidobacterium Strains (Gut Balance & Metabolism):
- B. adolescentis BAc30
- B. infantis BI45
- B. bifidum BB132
- B. animalis BA12
- B. thermophiles ST81
Specialized Strains:
- B. lactis lactis LLa61
- L. lactis cremoris LLc46
- L. mesenteroides LM58
- P. acidilactici PA53
- P. pentosaceus PP06
Acid-resistant, delayed-release delivery ensures live arrival to colonization sites.
PrebioticFiber Blend — 600mg
Balanced quartet of low-bloat fibers that selectively feed beneficial bacteria.
Inulin — 150mg
- Soluble prebiotic fiber derived from chicory root
- Feeds Bifidobacterium and Lactobacillus species
- Supports SCFA (short-chain fatty acid) production
Fructo-oligosaccharides (FOS) — 150mg
- Naturally occurring prebiotic fiber
- Selectively promotes beneficial bacteria growth
- Improves stool frequency and softness
Galacto-oligosaccharides (GOS) — 150mg
- Prebiotic fiber that boosts Bifidobacterium abundance
- Gentle on digestion with minimal gas production
- Supports immune function through gut-immune axis
Xylo-oligosaccharides (XOS) — 150mg
- Highly selective prebiotic for beneficial bacteria
- Increases fecal butyrate production
- Well-tolerated with minimal GI side effects
Other Ingredients
Delayed-Release Vegetable Capsule:
- Hydroxypropyl Methylcellulose (HPMC)
- Protects ingredients through stomach acid
- Releases actives in intestines for maximum effectiveness
Additional Components:
- Microcrystalline Cellulose (flow agent)
- Silicon Dioxide (anti-caking)
- Vegetable Magnesium Stearate (lubricant)
- Acacia Fiber (binder)
- Gelatin (capsule component)
- Guar Fiber (in ButyraGen® matrix)
Rosemary Extract (natural preservative)
Immune + Digestive Support Blend
200 BILLION TOTAL CELLS
Clinically proven postbiotics for immediate immune activation and gentle digestive relief, plus next-generation probiotics for metabolic health.
Supporting ingredients:
- IMMUSE® Lactococcus lactis strain Plasma (100B TFU postbiotic)
- ButyraGen® Tributyrin Complex (200mg, 50% standardized tributyrin)
- Akkermansia muciniphila AH39 (100B TFU, pasteurized)
30-Strain Probiotic Blend
100 BILLION CFU
Maximum diversity formula with Lactobacillus, Bifidobacterium, and specialized strains for complete digestive, immune, and metabolic support.
Supporting strains:
- Lactobacillus acidophilus LA85, L. plantarum LP89, L. rhamnosus LRa05
- Bifidobacterium longum BL21, B. lactis BLa80, B. bifidum BB132
- Plus 24 additional clinically studied strains for comprehensive coverage
Prebiotic Fiber Blend
600 MG
Balanced quartet of low-bloat prebiotic fibers that selectively feed beneficial bacteria without excessive gas.
Supporting ingredients:
- Galacto-oligosaccharides (GOS) — 150mg
- Xylo-oligosaccharides (XOS) — 150mg
- Fructo-oligosaccharides (FOS) — 150mg
- Inulin — 150mg
Vegan
Gluten-Tested
Dairy-Tested
Soy-Tested
Nut-Tested
Shellfish-Tested
Sesame-Tested
Corn-Tested
Glyphosate / AMPA-Tested
No Binders
No Preservatives
Prop. 65 Compliant
These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease.
Customer reviews reflect individual experiences and are not medical advice or health claims. Toniiq products are dietary supplements for general wellness. Results vary. Consult a healthcare professional before starting new supplements.
Millions of Servings
Total 5 star reviews: 256 Total 4 star reviews: 17 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
100%would recommend these products
273 reviews
- Robert K.Verified BuyerReviewingProbiotic 200I recommend this productRated 5 out of 5 stars2 months agoIt works
Very good
- Dorothy P.Verified BuyerReviewingSynbiotics 200I recommend this productRated 5 out of 5 stars2 months agoQuality
great product
- Lena C.Verified BuyerReviewingSynbiotics 200I recommend this productRated 5 out of 5 stars3 months agoOverall health greatly strengthened
Helping digestion, my skin is much healthier, autoimmune dysfunction lessened, more clearheaded, puffiness alleviated, overall swelling and inflammation greatly diminished. Premier pre, pro, post biotic I have ever taken. Does the job so well, no pain.
- TrentVerified BuyerReviewingSynbiotics 200I recommend this productRated 5 out of 5 stars3 months agoRivals Gundry Bio Complete 3
Works for me as well as Gundry Bio Complete 3
- Elliot P.Verified BuyerReviewingSynbiotics 200I recommend this productRated 5 out of 5 stars3 months agoA lot of packaging, but seems to be a satisfactory product.
There were three layers of plastic and a seal under the lid that needed to be removed before I could get to the pills, so they seem to be highly securely packaged. I also appreciate that the bottom of each jar contains a clearly labeled expiration date as well as a LOT number that is almost certainly the manufactured/packaged date. These showed up fresh and as described, and include a desiccant pack in each tub to keep the pills dry and fresh. As you can see from the photo, the pills are not particularly small, so if you don't like larger caps, you may find these a little large, but considering a serving is two capsules, I understand why they used large caps since it'd be annoying to be counting out four small pills. Each tub comes mostly empty, so I'm a bit surprised they didn't just put all 120 tablets in one tub. Perhaps they sense more comfortable with the freshness and efficacy of the pills if they get consumed within 30 days of opening? My personal take is that I tend to savor eating a lot of fermented food, including natto, kimchi, yogurt and sauerkraut, so I try to get the whole grain and probiotic strains I need through my diet. But if I wasn't eating the way I was, I can see supplementing with these pills. I don't have a way to verify all the strands labeled here, but I did not have any ill-effects from consuming these. I also didn't notice a profound change for the improved either, but I think my probiotic blend consumption is already pretty robust.
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Free delivery on US orders.
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Good Manufacturing Practice
Our Toniiq formulas are manufactured in the U.S.A. in a GMP-Certified Facility.
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Ingredient Safety System
All our Toniiq products are third-party lab tested for every batch.
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Worldwide Quality Sourcing System
A Research & Development team rigorously verifies all ingredients with quality as our ethos.
Frequently Asked Questions
When and how should I take Synbiotics 200?
Take 2 delayed-release capsules once daily as a dietary supplement or as recommended by your healthcare professional.
How is Toniiq Synbiotics 200 different from other brands?
Toniiq delivers 200 billion total functional units (TFU) per serving, the highest verified potency in a 2-capsule synbiotic on Amazon. Most competitors max out around 120 billion CFU and don't include postbiotics. We combine 100 billion CFU from 30 diverse probiotic strains with two clinically studied branded ingredients most brands lack: IMMUSE® LC-Plasma (proven to cut sick days by ~30%) and ButyraGen® (delivers the butyrate equivalent of 4g inulin in just 200mg). Plus, our balanced 600mg prebiotic blend is specifically chosen to minimize bloating while feeding your microbiome.
How long until I notice results?
Many users report digestive improvements within 2 to 4 weeks. In clinical studies, ButyraGen® reduced belly pain by 18% and bloating by 15% starting at week 2. IMMUSE®'s immune benefits typically become apparent during cold and flu season with consistent daily use. For optimal gut microbiome rebalancing and long-term benefits, we recommend 60–90 days of continuous use.
Is this safe to take with other supplements or medications?
Synbiotics 200 is generally well-tolerated and safe to combine with most supplements. However, if you're taking antibiotics, immunosuppressants, or have a compromised immune system, consult your healthcare professional before use. Our formula is third-party tested for purity and safety.
Why do I need prebiotics AND probiotics AND postbiotics?
Think of it as a complete ecosystem: Prebiotics are the "food" that feeds beneficial bacteria. Probiotics are the "live reinforcements" that colonize your gut. Postbiotics like IMMUSE® are the "active compounds" that immediately support immune function without needing to grow. This 3-in-1 approach addresses gut health from multiple angles—feeding your existing microbiome, adding beneficial strains, and delivering immune-activating metabolites that work within hours.
Will this cause bloating or gas?
Unlike high-dose inulin products, our formula is designed for comfort. ButyraGen® delivers butyrate without the gas or bloating typical of large prebiotic doses, it provides the equivalent benefit of 4g inulin in just 200mg. Our 4-fiber prebiotic blend (GOS, XOS, FOS, Inulin) is balanced at 600mg to support gut health while minimizing digestive discomfort. In clinical trials, ButyraGen® actually reduced bloating by 15% compared to placebo.
Does this need to be refrigerated?
No. All strains use acid-resistant technology to survive stomach acid, and the formula is shelf-stable at room temperature. This makes it convenient for travel and daily use without worrying about potency loss.
What's the difference between probiotics and postbiotics?
Probiotics are live bacteria that colonize your gut over time. Postbiotics like IMMUSE® LC-Plasma are heat-inactivated (non-living) bacterial cells and their beneficial metabolites that activate your immune system immediately—within hours of consumption. Clinical research shows IMMUSE® directly switches on immune "master cells" (plasmacytoid dendritic cells) without needing to grow or colonize, providing fast-acting immune support alongside the long-term benefits of live probiotics.
Can I take this if I'm sensitive to dairy or gluten?
Yes. Synbiotics 200 is formulated to be allergen-friendly. IMMUSE® is GRAS-certified and allergen-free. However, if you have specific dietary restrictions or severe allergies, please review the full ingredient list or consult your healthcare provider.
Do you test for purity and potency?
Every batch is third-party tested by ISO-certified labs for identity, potency, heavy metals, and microbial contamination. We verify that you're getting the full 200 billion TFU promised on the label. Certificates of Analysis (COAs) are available online for complete transparency.
What if I don't feel a difference?
Gut health improvements can be subtle at first, especially if you're starting from a relatively healthy baseline. Some users notice digestive comfort and regularity within days, while immune benefits become more apparent over weeks and months. Microbiome rebalancing is a gradual process. Consistency is key. If you're not satisfied, check our return policy. We stand behind our product quality.
Is this suitable for vegans/vegetarians?
Yes, our capsules are made from plant cellulose and the formula is vegan-friendly and vegetarian-friendly.
*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.