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L Citrulline Powder

a small market ($55K/yr) — L Citrulline Powder doesn't clear our bar today.

Flapen Score

49
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Market size 14Growth 19Conversion 86Competition 39Returns 100Price range 61Avg price 70Brand share 49Review moat 40Quality gap 63
This niche Category average

Is L Citrulline Powder profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, L Citrulline Powder is a £55K/yr Amazon United Kingdom market (39K searches/yr). The top 5 brands hold 75% of demand. Verdict: Skip it — 49/100.

L Citrulline Powder: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -11.3% over the last 90 days and 9.7% of searches end in a purchase.

£55K

revenue / yr

Units sold / yr4K
Search volume / yr-11.3%39K
Conversion rate9.7%
Avg price£14.43

Who owns the niche?

The top 5 brands hold 75% of demand, so 25% of the market is open.

25%

open market share

Brands · sellers12 · 26
Top-5 product click share62%
Open market25%
Avg brand age51 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 · 19 products

Sponsored placement53%
New entrants (1y)1· 1 succeeded
Avg rating4.4★
Avg reviews2,462

Top L Citrulline Powder 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 take 62% of clicks — established leaders, but buyers still shop beyond them.

£0£3K£5K£8K£11K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

12 falling

Sellers

26

Top-5 brand share

75%

Top 20: 100%

Top-5 click share

62%

Top 20: 100%

Open market

16%

  • ALPHA0124%
  • Peak Supps18%
  • Applied Nutrition13%
  • Freak Athletics11%
  • Bulk10%
  • BANDINI9%
  • Open — no brand owns it (6 brands, 16%)

L Citrulline Powder demand & seasonality

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

Volume39KCVR9.7%Products19Brands12Top 5 Brands75%OOS Rate12.2%Rating4.4★Reviews2,462Avg BSR#16
1K600Spike '26Feb '26Mar '26Mar '26Apr '26May '26Jun '26

Top L Citrulline Powder search terms shoppers use

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

  • l citrulline powder24K/yr
  • l-citrulline powder9K/yr
  • citrulline powder6K/yr

What reviews say buyers love and hate about L Citrulline Powder

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

What buyers love

71% of reviews
Quality-Overall19%

Well-made, easy to take

Value For Money11%

Good value

Advertised Vs Actual Product10%

As advertised well pleased

Ease Of Chewing/Swallowing6%

easy to take without any gut issues

Ease Of Use6%

Easy to use

What buyers complain about

57% of reviews
Dosage12%

Can't say if they've done anything for me after taking 180 tablets

Taste-Overall11%

have no taste

Functionality-Overall7%

Not working

Ingredients-Overall6%

Very poor quality as the main ingredient is corn starch which is just a filler

Side Effects4%

it had immediate effects

Common L Citrulline Powder questions

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

Flapen scores L Citrulline Powder 49/100 on Amazon United Kingdom — Skip it. The niche generates £55K/yr across 19 tracked products. 1 of 1 products launched in the last 360 days are still selling. Search demand moved -11.3% over the last 90 days.
L Citrulline Powder buyers on Amazon United Kingdom complain most about Dosage, Taste-Overall, Functionality-Overall, the themes mined from the niche's reviews. Its return rate is 0.0%.