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Choline

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

Flapen Score

45
Skip it
Market size 29Growth 23Conversion 95Competition 16Returns 100Price range 20Avg price 42Brand share 36Review moat 72Quality gap 53
This niche Category average

Is Choline profitable on Amazon?

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.

Choline: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -4.4% over the last 90 days and 12.6% of searches end in a purchase.

£128K

revenue / yr

Units sold / yr13K
Search volume / yr-4.4%92K
Conversion rate12.6%
Avg price£11.08

Who owns the niche?

The top 5 brands hold 83% of demand, so 17% of the market is open.

17%

open market share

Brands · sellers9 · 15
Top-5 product click share81%
Open market17%
Avg brand age55 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.

0/100

page quality · 11 products

Sponsored placement91%
New entrants (1y)0· 0 succeeded
Avg rating4.4★
Avg reviews633

Top Choline products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

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

£0£13K£26K£39K£51K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

9 falling

Sellers

15

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%)

Choline demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume92KCVR12.6%Products11Brands9Top 5 Brands83%OOS Rate0.0%Rating4.4★Reviews633Avg BSR#10
3K2KSpike '24Spike '25Prime Day '25Black Friday '25Holiday '25SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

Top Choline search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • choline52K/yr
  • choline supplement27K/yr
  • choline supplement pregnancy8K/yr
  • choline bitartrate5K/yr

What reviews say buyers love and hate about Choline

What buyers mention most, as a share of all reviews.

What buyers love

81% of reviews
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

What buyers complain about

83% of reviews
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

Common Choline questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Choline 45/100 on Amazon United Kingdom — Skip it. The niche generates £128K/yr across 11 tracked products. Search demand moved -4.4% over the last 90 days.
Search demand for Choline on Amazon United Kingdom is steady year-round — the busiest month runs 1.4× the quietest.