Is butyrate profitable to sell on Amazon United Kingdom?

The niche generates £75K/yr across 8 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +5.1%. Flapen's verdict: Skip it (44/100).

How competitive is the butyrate niche?

6 brands and 35 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 97% of demand.

What do buyers complain about in butyrate?

Top complaints mined from reviews: Sour, Taste-Overall, Advertised Vs Actual Product. The return rate is 0.1%.

When does demand for butyrate peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the butyrate niche?

Listings span £7.74–£31.19; the average listing price is £17.49 (sweet spot $15–$100). The average incumbent carries 463 reviews — the moat a new listing must climb.

butyrate

Skip it

A concentrated shelf (top 5 take 90% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Great9.5%

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

Avg price

Great£17.49

avg listing price — sweet spot $15–$100

Review moat

Great462.5

avg incumbent reviews — the moat a new listing must climb

Price range

Good£7.74–£31.19

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+5.1%

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

Market size

Bad£75K

£75K/yr · 45K searches

Competition

Bad90%

top-5 click share — a locked-up shelf

Brand share

Bad97%

top-5 brand share — brand-locked demand

Signals Low Review Barrier

According to Flapen's Amazon United Kingdom niche tracking, butyrate is a £75K/yr Amazon United Kingdom market (45K searches/yr). The top 5 brands hold 97% of demand. Verdict: Skip it — 44/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

butyrate market data

Units sold / yr: 5K–6K; avg 500–750/product
Revenue / yr: £87K–£105K; units × avg price
Conversion rate: 9.5%
Avg BSR: #273
Page quality: 0%
Prime: 100%
Sponsored: 50%
Out of stock: 9.2%
Avg brand age: 57 months
Avg seller age: 170 days

Competition & brand share

The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.

Brands

6 falling

Sellers

Top-5 brand share

97%

Top 20: 100%

Top-5 click share

90%

Top 20: 100%

Open market

OstroVit40%
BodyBio31%
Aliness12%
OSAVI9%
Ultra Lyte4%
Norsa Pharma3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +5.1% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top butyrate search terms

sodium butyrate26K/yr +6.0%11.6% conv.
butyrate15K/yr +4.5%6.0% conv.
butyrate supplement uk5K/yr +1.9%8.7% conv.

All search terms

Top butyrate 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 8 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

OstroVit Sodium Butyrate 90 caps - Sodium - Vegan - HPMC - Gut & Microbiome

OstroVit£7.744.6★291 rev

BodyBio Butyrate - Postbiotic for Gut Health Digestive Support Bloat Gas & Constipation Relief Leaky Gut Repair - Sodium + Butyric Acid Supplement for GI Wellness

BodyBio£22.814.1★151 rev

Aliness Sodium Butyrate 100 Capsules - Gut Health Supplements with Microcapsule Technology - IBS Relief Supplement for Men & Women - (Butyric Acid)

Aliness£14.884.5★521 rev

BodyBio Butyrate Calcium Magnesium - Postbiotic for Gut & Digestive Support

BodyBio£31.194.4★2,657 rev

Osavi Sodium Butyrate SR 960 mg 120 Vegan Capsules | Microencapsulated SustainedRelease Sodium Butyrate | High Butyric Acid Content | Tasteless & Odourless | Vegan GlutenFree SoyFree GMOFree

OSAVI£15.674.8★33 rev

Newest

by launch date

Norsa Pharma Nucleobutin Forte (60 Capsules) Enteric-Coated Sodium Butyrate with Dietary Nucleotides | Sodium Supplement for Gut Health Bloat Gas Digestive & Immune Support | Palm-Oil Free

Norsa Pharma£24.7411 rev

9mo ago

Ultra Lyte Sodium Butyrate 600mg per Serving 80% Butyric Acid 90 Vegan Capsules 45 Servings Advanced Microencapsulated Formula Gut Comfort & Digestive Balance

Ultra Lyte£9.6323 rev

11mo ago

Osavi Sodium Butyrate SR 960 mg 120 Vegan Capsules | Microencapsulated SustainedRelease Sodium Butyrate | High Butyric Acid Content | Tasteless & Odourless | Vegan GlutenFree SoyFree GMOFree

OSAVI£15.6733 rev

1y ago

Osavi Sodium Butyrate SR 960 mg 60 Vegan Capsules | Microencapsulated SustainedRelease Sodium Butyrate | High Butyric Acid Content | Tasteless & Odourless | Vegan GlutenFree SoyFree GMOFree

OSAVI£13.2913 rev

1y ago

BodyBio Butyrate - Postbiotic for Gut Health Digestive Support Bloat Gas & Constipation Relief Leaky Gut Repair - Sodium + Butyric Acid Supplement for GI Wellness

BodyBio£22.81151 rev

4y ago

What buyers say about butyrate

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

What buyers love

Ease Of Chewing/Swallowing9%

“The capsules are easy to take”

Efficiency8%

“Working well, without any ill effects noted”

Regulates Digestion8%

“It helps my gut health, reduce bloating and helps with constipation”

Quality-Overall8%

“Great quality capsules”

Acid Regulator/Stomach Ache Relief6%

“Helps my stomach issues”

Value For Money6%

“which is a decent amount”

Ingredients-Overall6%

“the overall formula feels clean without unnecessary extras”

Allergies4%

“I have not experienced any unpleasant aftertaste or irritation”

Cough Relief4%

“Feel it helped my gut”

Advertised Vs Actual Product4%

“as described”

What buyers complain about

Sour7%

“The taste is gross its like vomit very sour”

Taste-Overall7%

“Taste is horrendous”

Advertised Vs Actual Product7%

“* None apparent from the listing”

Smell7%

“Not the nicest smell”

Value For Money5%

“not cheap either”

Dosage3%

“Quite expensive, considering that there is only 60 capsules in the box”

Side Effects3%

“I have had awful gut side effects from medication for many years”

Durability3%

“it doesnt last”

Inflammation2%

“inflammation got worse”

Functionality-Overall2%

“didn't work for me”

Common questions

Is butyrate profitable to sell on Amazon United Kingdom?: The niche generates £75K/yr across 8 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +5.1%. Flapen's verdict: Skip it (44/100).
How competitive is the butyrate niche?: 6 brands and 35 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 97% of demand.
What do buyers complain about in butyrate?: Top complaints mined from reviews: Sour, Taste-Overall, Advertised Vs Actual Product. The return rate is 0.1%.
When does demand for butyrate peak?: Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the butyrate niche?: Listings span £7.74–£31.19; the average listing price is £17.49 (sweet spot $15–$100). The average incumbent carries 463 reviews — the moat a new listing must climb.