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Biotin

a small market ($5K/yr) — Biotin doesn't clear our bar today.

Flapen Score

48
Skip it

Top 6% of 198 Health, Household and Personal Care niches · +11 vs the category median of 37

Market size 1Growth 40Conversion 56Competition 55Returns 100Price range 80Avg price 95Brand share 57Review moat 22Quality gap 23
This niche Category average · 198 niches

Is Biotin profitable on Amazon?

According to Flapen's Amazon Singapore niche tracking, Biotin is a $5K/yr Amazon Singapore market (4K searches/yr). The top 5 brands hold 71% of demand. Verdict: Skip it — 48/100.

Biotin: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved +12.0% over the last 90 days and 4.8% of searches end in a purchase.

$5K

revenue / yr

Units sold / yr500
Search volume / yr+12.0%4K
Conversion rate4.8%
Avg price$23.15

Who owns the niche?

The top 5 brands hold 71% of demand, so 29% of the market is open.

29%

open market share

Brands · sellers10 · 18
Top-5 product click share52%
Open market29%
Avg brand age110 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.6★ — the gap to enter on.

0/100

page quality · 14 products

Sponsored placement21%
New entrants (1y)0· 0 succeeded
Avg rating4.6★
Avg reviews9,765

Top Biotin 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 52% of clicks — established leaders, but buyers still shop beyond them.

$0$225$450$676$9011001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

10 flat

Sellers

18

Top-5 brand share

71%

Top 20: 100%

Top-5 click share

52%

Top 20: 100%

Open market

22%

  • Now Foods24%
  • Swanson17%
  • Carlyle13%
  • Natrol9%
  • Sports Research8%
  • Nature's Bounty7%

Biotin demand & seasonality

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

Volume4KCVR4.8%Products14Brands10Top 5 Brands71%OOS Rate7.4%Rating4.6★Reviews9,765Avg BSR#453
200150Spike '24Holiday '24Spike '25Prime Day '25Black Friday '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Biotin return rate & reasons

Why buyers send it back, as a share of all return requests.

0.0%

Return rate

0%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Ingredients-Overall
100%

Common Biotin questions

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

Flapen scores Biotin 48/100 on Amazon Singapore — Skip it. The niche generates $5K/yr across 14 tracked products. Search demand moved +12.0% over the last 90 days.
Search demand for Biotin on Amazon Singapore is steady year-round — the busiest month runs 1.5× the quietest.