Is tudca profitable to sell on Amazon United Kingdom?

The niche generates £279K/yr across 15 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -3.9%. Flapen's verdict: Worth a look (60/100).

How competitive is the tudca niche?

13 brands and 33 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 66% of demand.

What do buyers complain about in tudca?

Top complaints mined from reviews: Ingredients-Overall, Value For Money, Advertised Vs Actual Product. The return rate is 0.1%.

When does demand for tudca peak?

Demand is steady year-round — the busiest month runs 1.4× the quietest.

What does it cost to enter the tudca niche?

Listings span £8.81–£26.21; the average listing price is £14.91 (sweet spot $15–$100). The average incumbent carries 303 reviews — the moat a new listing must climb.

tudca

Worth a look

Shows low returns (0.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Incredible12.5%

search→purchase rate — share of searches ending in a sale

Review moat

Great303.33

avg incumbent reviews — the moat a new listing must climb

Avg price

Good£14.91

avg listing price — sweet spot $15–$100

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Brand share

Good66%

top-5 brand share — brands hold most of the demand

Price range

Good£8.81–£26.21

cheapest to priciest tracked listing — scored on the share inside $15–$100

Market size

Good£279K

£279K/yr · 150K searches

Competition

Okay64%

top-5 click share — leaders hold, buyers still browse

Growth

Bad-3.9%

90-day search growth — must beat 0% to launch

Signals Low Review Barrier

According to Flapen's Amazon United Kingdom niche tracking, tudca is a £279K/yr Amazon United Kingdom market (150K searches/yr). The top 5 brands hold 66% of demand. Verdict: Worth a look — 60/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

tudca market data

Units sold / yr: 15K–20K; avg 750–1,000/product
Revenue / yr: £224K–£298K; units × avg price
Conversion rate: 12.5%
Avg BSR: #403
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 2.6%
Avg brand age: 50 months
Avg seller age: 173 days

Competition & brand share

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 falling

Sellers

Top-5 brand share

66%

Top 20: 100%

Top-5 click share

64%

Top 20: 100%

Open market

27%

NUTRINATION20%
Vinco Supplements18%
Aoruilia11%
Nutri-things9%
Applied Nutrition8%
Nutri Peak7%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -3.9% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top tudca search terms

tudca109K/yr -1.1%10.4% conv.
tudca supplement34K/yr -14.6%9.9% conv.
tudca 500mg3K/yr +33.3%9.8% conv.
ursodeoxycholic acid3K/yr -24.6%3.4% conv.

All 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.

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

Tudca Supplement 1600mg | 99.2% Pure 1400mg TUDCA 100mg Artichoke Extract & 100mg NAC | 60 High Potency Capsules | Tauroursodeoxycholic Acid - Bile Salt for Liver Support & Digestion | Lab Tested

NUTRINATION£11.864.3★92 rev

Vinco Tudca 1200mg - 60 Capsules - Tauroursodeoxycholic Acid - Advanced Liver Detox & Repair - Supports Healthy Bile Production Improves Digestion & Strengthens Immune System - Made in UK

Vinco Supplements£10.914.5★134 rev

TUDCA Supplement Tauroursodeoxycholic Acid Complex 1200mg Per Servings Bile Salts for Liver & Gut Health Support 120 Capsules (120 Count (Pack of 1))

Aoruilia£14.704.4★179 rev

TUDCA Capsules - Liver Health Support Supplement - Naturally Occurring Bile Acid - Reduce Oxidative Stress & Inflammation - Improve Liver Function - Convenient Daily Supplement - 60 Capsules

Nutri-things£9.094.3★206 rev

Applied Nutrition TUDCA + NAC - TUDCA Liver & Antioxidant Support Bile Salts Liver Support Suplement 800mg Tauroursodeoxycholic Acid (90 Capsules - 30 Servings)

Applied Nutrition£26.214.5★143 rev

Newest

by launch date

TUDCA 2500mg Capsules High Strength Tauroursodeoxycholic Acid 90 Capsules Liver & Digestive Support Vegan Supplement

Botanique Heaven£14.4417 rev

3mo ago

inGreens TUDCA Supplement 1500mg Pure 1500mg TUDCA High-Purity Bile Salts Liver & Digestive Support Non-GMO 60 Capsules

inGreens£8.8146 rev

4mo ago

TUDCA Supplement 2000mg 120 Capsules Tauroursodeoxycholic Acid for Liver Support & Detox Promote Digestion and Strengthen Immune System Non-GMO Gluten-Free

LIPPAI£11.625 rev

5mo ago

TUDCA Supplement Tauroursodeoxycholic Acid Complex 1200mg Per Servings Bile Salts for Liver & Gut Health Support 120 Capsules (120 Count (Pack of 1))

Aoruilia£14.70179 rev

1y ago

Vinco Tudca 1200mg - 60 Capsules - Tauroursodeoxycholic Acid - Advanced Liver Detox & Repair - Supports Healthy Bile Production Improves Digestion & Strengthens Immune System - Made in UK

Vinco Supplements£10.91134 rev

1y ago

What buyers say about tudca

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall18%

“The capsules are designed to be easy to take, and the product is made in controlled environments with attention to consistency and quality”

Regulates Digestion14%

“Ive noticed less bloating”

Value For Money8%

“worth the money”

Ease Of Chewing/Swallowing5%

“easy to swallow”

Acid Regulator/Stomach Ache Relief5%

“I got myself at relief from stomach ache”

Efficiency5%

“Effective for is purpose”

Heart Health4%

“Six weeks later my follow-up bloodwork showed noticeable improvement”

Taste-Overall4%

“Easy to use tastes okay work well for my stomach issues”

Side Effects4%

“I've read some reports that taking TUDCA alongside this therapy can enhance its effects”

Ingredients-Overall3%

“I had been taking ox bile extract to help with general digestive issues and switched to this, partly because it seems more humane, partly because it's significantly less expensive, and partly because of all the good things I'd been hearing and reading about this product specifically for issues around fat malabsorption and gut pain”

What buyers complain about

Ingredients-Overall18%

“Does NOT contain Milk Thistle”

Value For Money13%

“it is a very expensive product”

Advertised Vs Actual Product13%

“they hadn't updated the description or pictures”

Dosage12%

“Implying 1000mg TUDCA per capsule”

Functionality-Overall5%

“found this not as effective”

Pain Relief-Overall5%

“was in a lot of pain”

Vitamin5%

“I wouldn't recommend buying supplements from Amazon as the active ingredients aren't independently verified”

Taste-Overall3%

“No Taste of note”

Common questions

Is tudca profitable to sell on Amazon United Kingdom?: The niche generates £279K/yr across 15 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -3.9%. Flapen's verdict: Worth a look (60/100).
How competitive is the tudca niche?: 13 brands and 33 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 66% of demand.
What do buyers complain about in tudca?: Top complaints mined from reviews: Ingredients-Overall, Value For Money, Advertised Vs Actual Product. The return rate is 0.1%.
When does demand for tudca peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the tudca niche?: Listings span £8.81–£26.21; the average listing price is £14.91 (sweet spot $15–$100). The average incumbent carries 303 reviews — the moat a new listing must climb.