Is choline profitable to sell on Amazon United Kingdom?

The niche generates £128K/yr across 11 tracked products. 90-day search growth is -4.4%. Flapen's verdict: Skip it (45/100).

How competitive is the choline niche?

9 brands and 15 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 83% of demand.

What do buyers complain about in choline?

Top complaints mined from reviews: Regulates Digestion, Side Effects, Ingredients-Overall. The return rate is 0.1%.

When does demand for choline peak?

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

What does it cost to enter the choline niche?

Listings span £5.85–£17.30; the average listing price is £11.08 (sweet spot $15–$100). The average incumbent carries 633 reviews — the moat a new listing must climb.

choline

Skip it

A concentrated shelf (top 5 take 81% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Incredible12.6%

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

Review moat

Good632.55

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Avg price

Okay£11.08

avg listing price — sweet spot $15–$100

Brand share

Okay83%

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

Market size

Okay£128K

£128K/yr · 92K searches

Growth

Bad-4.4%

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

Price range

Bad£5.85–£17.30

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

Competition

Bad81%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United Kingdom niche tracking, choline is a £128K/yr Amazon United Kingdom market (92K searches/yr). The top 5 brands hold 83% of demand. Verdict: Skip it — 45/100.

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

choline market data

Units sold / yr: 10K–13K; avg 750–1,000/product
Revenue / yr: £111K–£139K; units × avg price
Conversion rate: 12.6%
Avg BSR: #10
Page quality: 0%
Prime: 100%
Sponsored: 91%
Out of stock: 0.0%
Avg brand age: 55 months
Avg seller age: 159 days

Competition & brand share

The top 5 products capture 81% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 falling

Sellers

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

81%

Top 20: 100%

Open market

11%

Solgar36%
WeightWorld19%
Zita West11%
dr vegan10%
ALPHA017%
Vegavero6%
Open — no brand owns it (3 brands, 11%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -4.4% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.4×

Open Trend

Top choline search terms

choline52K/yr -1.7%10.9% conv.
choline supplement27K/yr -8.1%10.6% conv.
choline supplement pregnancy8K/yr -5.2%12.6% conv.
choline bitartrate5K/yr -11.4%12.4% conv.

All search terms

Top choline 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 11 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Solgar Choline 350mg - Healthy Liver Function - Supports Fat Metabolism - Essential Micronutrient - Vegan - 100 Vegetable Capsules

Solgar£10.344.5★2,873 rev

WeightWorld Choline Bitartrate Supplement 714mg | 180 Capsules | 3 Months Supply | Non-GMO & Gluten-Free | Choline Contributes to the Maintenance of Normal Liver Function (EFSA Claims)

WeightWorld£8.284.5★1,610 rev

Zita West Choline Supplement - 400mg Choline Bitartrate for Pregnancy & Postnatal Support 60 Capsules (1 Month Supply)

Zita West£15.084.3★22 rev

Choline Bitartrate 600mg Supplement | Brain and Memory Function | 60 Vegan Capsules | Two-A-Day | DR.VEGAN

dr vegan£7.394.6★219 rev

Choline Bitrate 714mg 180 Vegan Capsules Supports Liver Health BioPerine Advanced Absorption Resealable and Recyclable Pouch by Alpha01

ALPHA01£5.854.5★61 rev

Newest

by launch date

Vegavero Vegan Choline Bitartrate Capsules 1400 mg | 120 Capsules | Liver Supplements | Pregnancy Supplements | NO Additives

Vegavero£12.24350 rev

1y ago

Pure Encapsulations Choline (Bitartrate) - for a Normal Liver Function & Metabolism - Supplement with high-dose Choline - 100 Capsules

Pure Encapsulations£17.307 rev

2y ago

Zita West Choline Supplement - 400mg Choline Bitartrate for Pregnancy & Postnatal Support 60 Capsules (1 Month Supply)

Zita West£15.0822 rev

2y ago

Purer Mama Choline Bitartrate 550mg 60 Capsules | Cognitive Function Brain Health & Cellular Support | Supplement for Adults and Pregnant & Breastfeeding Mothers

PurerMama£15.9919 rev

3y ago

Choline Bitartrate 730mg Daily Dose 120 Vegan Choline Supplement Capsules - UK Made Support for Healthy Liver Function and Fat Metabolism

swiss bioenergetics£7.99251 rev

4y ago

What buyers say about choline

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

What buyers love

Quality-Overall23%

“Great Quality Supplement – Noticeable Improvement in Focus”

Vitamin12%

“Good supplement”

Regulates Digestion10%

“Helps my bloating”

Advertised Vs Actual Product7%

“Great item, does what it says”

Product Condition7%

“New Product to me”

Energy Level7%

“Help with energy”

Fertility/Conception6%

“Fertility health”

Compatibility-Overall3%

“works perfectly combined”

Heart Health3%

“Good for Liver Support”

Weight Loss3%

“Ive also lost weight good product will buy more”

What buyers complain about

Regulates Digestion17%

“THIS CHEMICAL IS BAD FOR YOUR GUT AND IS BAD FOR THE BABIES GUT”

Side Effects17%

“gave me tummy ache”

Ingredients-Overall17%

“POOR INGREDIENTS DO NOT BUY”

Acid Regulator/Stomach Ache Relief11%

“gave me tummy ache”

Ease Of Use11%

“Found very difficult to take during first trimester due to smell”

Focus Enhancement6%

“Personally, I did not notice any improvement in cognitive function or the occasional brain fog that I had hoped it might help with”

Functionality-Overall6%

“No Noticeable Cognitive Effects for Me”

Common questions

Is choline profitable to sell on Amazon United Kingdom?: The niche generates £128K/yr across 11 tracked products. 90-day search growth is -4.4%. Flapen's verdict: Skip it (45/100).
How competitive is the choline niche?: 9 brands and 15 sellers compete. The top 5 products take 81% of clicks and top 5 brands hold 83% of demand.
What do buyers complain about in choline?: Top complaints mined from reviews: Regulates Digestion, Side Effects, Ingredients-Overall. The return rate is 0.1%.
When does demand for choline peak?: Demand is steady year-round — the busiest month runs 1.4× the quietest.
What does it cost to enter the choline niche?: Listings span £5.85–£17.30; the average listing price is £11.08 (sweet spot $15–$100). The average incumbent carries 633 reviews — the moat a new listing must climb.