---
title: "Tudca — $3.8M/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/tudca"
last_updated: "2026-08-06T15:42:43.949Z"
locale: en
meta:
description: "Niche score 60/100 · $3.8M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 60/100 · $3.8M/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Tudca — $3.8M/yr Amazon US Niche (2026) - Flapen"
---
# **tudca**
**Worth a look**
Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 97Growth 21Conversion 96Competition 25Returns 100Price range 87Avg price 95Brand share 47Review moat 54Quality gap 25
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Market size**
**Incredible****$3.8M**
$3.8M/yr · 1.1M searches
**Conversion**
**Incredible****12.8%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Incredible****$25.97**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$10.01–$57.74**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Good****1,354.33**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Okay****77%**
top-5 brand share — brands hold most of the demand
**Competition**
**Bad****70%**
top-5 click share — a locked-up shelf
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-7.4%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, tudca is a $3.8M/yr Amazon United States market (1.1M searches/yr). The top 5 brands hold 77% of demand. Verdict: Worth a look — 60/100.
Data updated Jul 27, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **tudca market data**
- **Units sold / yr**
- **150K–200K**
- avg 8,000–10,000/product
- **Revenue / yr**
- **$3.9M–$5.2M**
- units × avg price
- **Conversion rate**
- **12.8%**
- **Avg BSR**
- **#194**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **93%**
- **Out of stock**
- **2.3%**
- **Avg brand age**
- **66 months**
- **Avg seller age**
- **163 days**
## **Competition & brand share**
The top 5 products capture 70% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**13 **▼falling
**Sellers**
**27**
**Top-5 brand share**
**77%**
Top 20: 100%
**Top-5 click share**
**70%**
Top 20: 100%
**Open market**
**18%**
- Double Wood Supplements29% - Nutricost21% - Totaria12% - Dr. Berg Nutritionals10% - Migcopat5% - Sambugra5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -7.4% search growth over the last 90 days.
25K15KHoliday '24Spike '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/health-household/tudca/trend)
## **Top tudca search terms**
- **tudca**670K/yr-3.0%12.5% conv. - **tudca supplement**272K/yr-19.3%10.5% conv. - **tudca 500mg**31K/yr+42.5%9.1% conv. - **tudca 250mg**24K/yr+9.3%5.0% conv. - **tudca liver support**36K/yr-43.9%8.4% conv. - **tudca 1000mg**14K/yr+18.8%3.0% conv. - **nutricost tudca**10K/yr+25.9%7.7% conv. - **tudca supplement organic**19K/yr-46.0%7.8% conv. - **tudca milk thistle**10K/yr+6.7%3.2% conv. - **tuca**9K/yr+5.4%5.5% conv. [**All search terms **](https://flapen.com/research/us/health-household/tudca/search-terms)
## **Top tudca products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%$382K20%$763K30%$1.1M40%$1.5M101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**TUDCA Bile Salts Liver Support Supplement 500mg Servings Liver and Gallbladder Cleanse Supplement (60 Capsules 250mg) Genuine Bile Acid TUDCA with Strong Bitter Taste by Double Wood**Double Wood Supplements**$23.24**4.6★5,512 rev](https://www.amazon.com/dp/B07YQ6J6FW) [2**Nutricost Tudca 250mg 60 Capsules (Tauroursodeoxycholic Acid) Gluten Free**Nutricost**$24.46**4.6★5,068 rev](https://www.amazon.com/dp/B01A68H2BA) [3**Dr. Berg TUDCA Supplement (Tauroursodeoxycholic Acid) - Powerful Formula for Liver Health Bile Flow Gallbladder Support and Digestive Health* - 30 Capsules**Dr. Berg Nutritionals**$26.92**4.7★1,470 rev](https://www.amazon.com/dp/B0DCKPRX8C) [4**Totaria TUDCA Bile Salts 1200mg (Tauroursodeoxycholic Acid) 120 Capsules Ultra Strength Pure TUDCA Liver Supplements Liver and Gallbladder Cleanse & Repair Vegan**Totaria**$20.54**4.7★844 rev](https://www.amazon.com/dp/B0DJR8YRMG) [5**Nutricost Tudca 500mg 30 Capsules (Tauroursodeoxycholic Acid) Gluten Free**Nutricost**$25.55**4.6★1,845 rev](https://www.amazon.com/dp/B07WFRD1ST)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**TUDCA 1200mg Pure Tauroursodeoxycholic Acid Supplement 120 Vegan Capsules Easy to Swallow (60-Day Supply) Non-GMO Gluten-Free (120 Counts)**Honeylitte**$26.68**81 rev6mo ago](https://www.amazon.com/dp/B0G58L5MB1) [**Migcopat 7-in-One TUDCA Supplement 3650mg with Milk Thistle NAC Alpha Lipoic Acid Dandelion Root Bile Salts TUDCA for Liver Cleanse Detox & Repair Bile Flow and Digestive Support - 120 Capsules**Migcopat**$21.48**89 rev6mo ago](https://www.amazon.com/dp/B0GFN3NYWB) [**RimTuku 2200MG TUDCA Supplement with Milk Thistle 12-in-1 Formula Liver Support Bile Salts Supplement for Liver Cleanse & Detox Bile Flow & Gallbladder Support 60 Capsules**RimTuku**$10.01**90 rev1y ago](https://www.amazon.com/dp/B0FH23PY9B) [**Micro Ingredients TUDCA Bile Salts 2 000mg Supplement 240 Capsules | 7-in-1 Complex with NAC Milk Thistle Glutathione Dandelion & Artichoke | Extra Strength Tauroursodeoxycholic Acid | Non-GMO**Micro Ingredients**$21.35**285 rev1y ago](https://www.amazon.com/dp/B0F4HH894D) [**Totaria (2 Packs) TUDCA Bile Salts 1200mg (Tauroursodeoxycholic Acid) Ultra Strength Pure TUDCA Liver Supplements Liver and Gallbladder Cleanse & Repair Vegan**Totaria**$33.49**844 rev1y ago](https://www.amazon.com/dp/B0DMF45L1F)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Migcopat 7-in-One TUDCA Supplement 3650mg with Milk Thistle NAC Alpha Lipoic Acid Dandelion Root Bile Salts TUDCA for Liver Cleanse Detox & Repair Bile Flow and Digestive Support - 120 Capsules**Migcopat**$21.48**4.6★**▲ 95%**](https://www.amazon.com/dp/B0GFN3NYWB) [**TUDCA 1200mg Pure Tauroursodeoxycholic Acid Supplement 120 Vegan Capsules Easy to Swallow (60-Day Supply) Non-GMO Gluten-Free (120 Counts)**Honeylitte**$26.68**4.5★**▲ 94%**](https://www.amazon.com/dp/B0G58L5MB1) [**BulkSupplements.com TUDCA Capsules - TUDCA Supplement Tauroursodeoxycholic Acid TUDCA 250mg for Liver Support - Gluten Free 1 Capsule per Serving 60 Capsules (Pack of 1)**BulkSupplements**$22.15**4.6★**▲ 84%**](https://www.amazon.com/dp/B0CQD37L43) [**Totaria (2 Packs) TUDCA Bile Salts 1200mg (Tauroursodeoxycholic Acid) Ultra Strength Pure TUDCA Liver Supplements Liver and Gallbladder Cleanse & Repair Vegan**Totaria**$33.49**4.7★**▲ 33%**](https://www.amazon.com/dp/B0DMF45L1F) [**Nutricost Tudca 500mg 30 Capsules (Tauroursodeoxycholic Acid) Gluten Free**Nutricost**$25.55**4.6★**▲ 20%**](https://www.amazon.com/dp/B07WFRD1ST)
**~~View all trending →~~**
## **What buyers say about tudca**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**19%
*“Well reviewed product”*
**Regulates Digestion**10%
*“Instant change with my digestion”*
**Efficiency**6%
*“Works well”*
**Advertised Vs Actual Product**6%
*“Accurate product description”*
**Value For Money**5%
*“Good price”*
**Nutritional Content**5%
*“Great health suppliment”*
**Vitamin**4%
*“Good supplement”*
**Heart Health**4%
*“Cholesterol went down slightly”*
**Ingredients-Overall**3%
*“Well-Balanced Ingredient Blend”*
**Side Effects**3%
*“Had no side effects”*
### **What buyers complain about **
**Dosage**9%
*“beware: only 250 mg pills”*
**Functionality-Overall**8%
*“Doesnt work”*
**Value For Money**6%
*“Too expensive though”*
**Pain Relief-Overall**6%
*“It hurt”*
**Acid Regulator/Stomach Ache Relief**6%
*“My mom has had a very sensitive stomach lately”*
**Regulates Digestion**5%
*“Tudca causes digestion upset”*
**Side Effects**5%
*“Raging sick just after getting this”*
**Ingredients-Overall**4%
*“I suspect the tudca amount on these is not what the package claims”*
**Taste-Overall**4%
*“TASTE IS ATROCIOUS”*
**Allergies**2%
*“allergic to rice flour”*
### **Top return reasons **
**Functionality-Overall**21%
**Dosage**20%
**Advertised Vs Actual Product**15%
**Value For Money**8%
**Certifications**4%
**Magnesium**4%
**Size-Overall**3%
**Acid Regulator/Stomach Ache Relief**3%
**Regulates Digestion**3%
**Smell**2%
## **Common questions**
- **Is tudca profitable to sell on Amazon United States?**
- The niche generates $3.8M/yr across 15 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -7.4%. Flapen's verdict: Worth a look (60/100).
- **How competitive is the tudca niche?**
- 13 brands and 27 sellers compete. The top 5 products take 70% of clicks and top 5 brands hold 77% of demand.
- **What do buyers complain about in tudca?**
- Top complaints mined from reviews: Dosage, Functionality-Overall, Value For Money. The return rate is 0.0%.
- **When does demand for tudca peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the tudca niche?**
- Listings span $10.01–$57.74; the average listing price is $25.97 (sweet spot $15–$100). The average incumbent carries 1,354 reviews — the moat a new listing must climb.
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