Leaky Gut
Worth a lookShows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Avg price
Incredible$37.09avg listing price — sweet spot $15–$100
Price range
Great$14.17–$83.48cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Great58%top-5 brand share — no brand owns this niche
Conversion
Good6.5%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Market size
Good$542K$542K/yr · 225K searches
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Review moat
Bad8,835.57avg incumbent reviews — the moat a new listing must climb
Growth
Bad-15.1%90-day search growth — must beat 0% to launch
Is leaky gut profitable on Amazon?
According to Flapen's Amazon United States niche tracking, leaky gut is a $542K/yr Amazon United States market (225K searches/yr). The top 5 brands hold 58% of demand. Demand peaks in Feb–Mar–Sep. Verdict: Worth a look — 62/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
leaky gut market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 10K–13K
- avg 250–500/product
- Revenue / yr
- $371K–$464K
- units × avg price
- Conversion rate
- 6.5%
- Avg BSR
- #459
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 1.6%
- Avg brand age
- 74 months
- Avg seller age
- 143 days
Competition: brands, sellers & click share
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.Brands
27 falling
Sellers
51
Top-5 brand share
58%
Top 20: 94%
Top-5 click share
53%
Top 20: 93%
Open market
36%
- Amy Myers MD21%
- Codeage15%
- THORNE8%
- Doctor Danielle7%
- Ancient Nutrition7%
- Intestinal Fortitude6%
leaky gut demand & seasonality
Weekly Amazon search volume, last 104 weeks — -15.1% search growth over the last 90 days.Peak months: Feb, Mar, Sep · busiest ÷ quietest = 1.9×
Top leaky gut search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- leaky gut repair57K/yr
- leaky gut33K/yr
- gut repair27K/yr
- leaky gut supplement8K/yr
- leaky gut revive12K/yr
- leaky gut repair supplements17K/yr
- amy myers leaky gut revive8K/yr
- amy myers10K/yr
- gut lining repair10K/yr
- thorne leaky gut support2K/yr
Top leaky gut products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Amy Myers MD Leaky Gut Revive - Gluten-Free & Non-Dairy - Botanical Blend for Healthy Gut Support - GI Health Support with Prebiotic Fiber Slippery Elm Bark & Marshmallow Root - 6.3 oz (30 Servings)
Amy Myers MD$47.584.2★1,285 rev
Codeage Leaky Gut Supplement L-Glutamine N-Acetylglucosamine Probiotic Butyric Acid Polyphenols Quercetin DGL Marshmallow Root Berberine BioPerine Cinnamon Vegan Non-GMO 60 Capsules
Codeage$29.314.3★279 rev
THORNE - Leaky Gut Support (Formerly EnteroMend) - Gut Health Supplement - Supports Optimal Digestive Function & Bowel Regularity* - NSF Certified for Sport - Orange Vanilla Flavor - 30 Servings
THORNE$48.294.4★313 rev
Gut Assist Leaky Gut Support Powder | 40-Servings with L-Glutamine Arabinogalactan Licorice Extract and More! Doctor Crafted Botanical Formula by Dr. Danielle
Doctor Danielle$41.224.3★7,083 rev
Ancient Nutrition Gut Health Supplement Leaky Gut Capsules 60ctFormulated with Licorice Root Astragalus Marshmallow and L-Glutamine Gluten Free Paleo and Keto Friendly 60 Ct
Ancient Nutrition$25.184.4★732 rev
Newest
by launch date
Trawecual Gut Health Capsule Supplement Supports Microbiome Leaky Gut and Digestion with 80 Billion CFU Probiotics Prebiotics Digestive Enzymes 30-in-1 Gut Health Supplement 100 Capsules
Trawecual$23.0840 rev
SIALLAC Gut Health - Gut Barrier Function Epithelial Cell Growth Immune Support Enhances Nutrient Absorption Microbiome Balance (HMO 3-SL) (1 Pack)
SIALLAC$32.5041 rev
Balance ONE Zinc Carnosine and L-Glutamine Powder Leaky Gut Repair Formula
Balance ONE$35.9827 rev
Emerald Labs Leaky Gut Health 6.45 oz (60 Servings)
Emerald Laboratories$34.8653 rev
MARYRUTHS Gut Flora Health+ Enzymes | Prebiotic & Probiotic Digestive Enzymes for Healthy Gut Biome & Digestive Support | Gastrointestinal Health | CLP Certified | 60 Capsules | 2 Month Supply
MARYRUTH'S$24.241,656 rev
Trending
90-day click momentum
Microbiome Breakthrough Gut Support Powder Vegetarian Vanilla With Probiotics Prebiotics and IgY Max Source of L-Glutamine Supports Digestive Comfort Gas & Bloating Relief 30 Servings*
BIOptimizers$48.424.6★
THORNE - Leaky Gut Support (Formerly EnteroMend) - Gut Health Supplement - Supports Optimal Digestive Function & Bowel Regularity* - NSF Certified for Sport - Orange Vanilla Flavor - 30 Servings
THORNE$48.294.4★
Balance ONE Zinc Carnosine and L-Glutamine Powder Leaky Gut Repair Formula
Balance ONE$35.984.5★
MARYRUTHS Gut Flora Health+ Enzymes | Prebiotic & Probiotic Digestive Enzymes for Healthy Gut Biome & Digestive Support | Gastrointestinal Health | CLP Certified | 60 Capsules | 2 Month Supply
MARYRUTH'S$24.244.5★
Amy Myers MD Leaky Gut Revive - Gluten-Free & Non-Dairy - Botanical Blend for Healthy Gut Support - GI Health Support with Prebiotic Fiber Slippery Elm Bark & Marshmallow Root - 6.3 oz (30 Servings)
Amy Myers MD$47.584.2★
What reviews say buyers love and hate about leaky gut
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent Product”
“It can help keep bowel movements happier too”
“The best probiotic ever”
“Effective for me”
“Helps with stomach issues”
“Great deal”
“Arrived as described”
“The size is comfortable to swallow—no awkward”
“Ease of use”
“I didnt experience any harsh side effects”
What buyers complain about
“No results”
“Severe stomach pain”
“I have a lot of trouble with my digestive system”
“To expensive”
“Poor taste”
“possible side effects”
“Even when I took only 1 a day -- still going way too much”
“Allergic reaction”
“Product smelled and tasted rancid”
“This is not divulged ANYWHERE in the product description or ingredient list”
Top return reasons
Common leaky gut questions
- Is leaky gut profitable to sell on Amazon United States?
- The niche generates $542K/yr across 28 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -15.1%. Flapen's verdict: Worth a look (62/100).
- How competitive is the leaky gut niche?
- 27 brands and 51 sellers compete. The top 5 products take 53% of clicks and top 5 brands hold 58% of demand.
- What do buyers complain about in leaky gut?
- Top complaints mined from reviews: Functionality-Overall, Acid Regulator/Stomach Ache Relief, Regulates Digestion. The return rate is 0.0%.
- When does demand for leaky gut peak?
- Demand peaks in Feb–Mar–Sep; the busiest month runs 1.9× the quietest.
- What does it cost to enter the leaky gut niche?
- Listings span $14.17–$83.48; the average listing price is $37.09 (sweet spot $15–$100). The average incumbent carries 8,836 reviews — the moat a new listing must climb.