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Immune System Booster

soft demand (-44.4% this quarter) — Immune System Booster doesn't clear our bar today.

Flapen Score

37
Skip it
Market size 30Growth 3Conversion 73Competition 21Returns 100Price range 34Avg price 25Brand share 39Review moat 32Quality gap 32
This niche Category average

Is Immune System Booster profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Immune System Booster is a £132K/yr Amazon United Kingdom market (219K searches/yr). The top 5 brands hold 82% of demand. Demand peaks in Jan–Feb–Mar. Verdict: Skip it — 37/100.

Immune System Booster: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Not really. Search demand moved -44.4% over the last 90 days and 6.7% of searches end in a purchase.

£132K

revenue / yr

Units sold / yr20K
Search volume / yr-44.4%219K
Conversion rate6.7%
Avg price£8.99

Who owns the niche?

The top 5 brands hold 82% of demand, so 18% of the market is open.

18%

open market share

Brands · sellers15 · 157
Top-5 product click share75%
Open market18%
Avg brand age61 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 · 18 products

Sponsored placement83%
New entrants (1y)1· 0 succeeded
Avg rating4.6★
Avg reviews3,319

Top Immune System Booster 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 75% of clicks — a locked-up shelf that new listings rarely crack.

£0£13K£26K£40K£53K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

15 rising

Sellers

157

Top-5 brand share

82%

Top 20: 100%

Top-5 click share

75%

Top 20: 100%

Open market

16%

  • Immunace37%
  • NEW LEAF PRODUCTS21%
  • Berocca10%
  • HealthEssent7%
  • Sambucol7%
  • BioSchwartz3%
  • Open — no brand owns it (9 brands, 16%)

Immune System Booster demand & seasonality

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

Volume219KCVR6.7%Products18Brands15Top 5 Brands82%OOS Rate6.5%Rating4.6★Reviews3,319Avg BSR#209
15K10KSpike '24Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Mar · busiest ÷ quietest = 4.7×

Top Immune System Booster search terms shoppers use

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

  • immune support supplements35K/yr
  • immune system booster65K/yr
  • immune support32K/yr
  • immunity booster17K/yr
  • immune9K/yr
  • immunace8K/yr
  • immunity8K/yr
  • immune system vitamins15K/yr
  • immunace extra protection5K/yr
  • immune booster for adults4K/yr

What reviews say buyers love and hate about Immune System Booster

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

What buyers love

77% of reviews
Value For Money15%

Good Value

Vitamin12%

Good value vitamins

Quality-Overall12%

Brilliant product, great seller

Taste-Overall10%

Great tasting option

Immunity Booster7%

Immune booster

What buyers complain about

49% of reviews
Taste-Overall16%

I don't like the taste

Value For Money7%

This is expensive

Functionality-Overall5%

Didnt help me

Size-Overall4%

They are huge

Ease Of Chewing/Swallowing3%

Not easy to chew

Immune System Booster return rate & reasons

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

0.1%

Return rate

0%

Fixable by listing

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

1Cover Quality
33%
2Gifting Purpose
33%
3Value For Money
33%

Common Immune System Booster questions

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

Flapen scores Immune System Booster 37/100 on Amazon United Kingdom — Skip it. The niche generates £132K/yr across 18 tracked products. 0 of 1 products launched in the last 360 days are still selling. Search demand moved -44.4% over the last 90 days.
Search demand for Immune System Booster on Amazon United Kingdom peaks in Jan–Feb–Mar, where the busiest month runs 4.7× the quietest.