Immune System Booster
FailDemand is soft, at -44.4% this quarter, so Immune System Booster is a Fail.
- Flapen Score
- 37 / 100Ranks 1,848 of 2,035 Health & Personal Care niches · −11 vs the category median of 4837
- Market size
- £132K/yr219K searches / yr
- 90-day growth
- -44.4%search demand this quarter
- Competition
- 75%top-5 click share · 15 brands · 157 sellers
Flapen Score
Immune System Booster against its category
The dotted line is the Health & Personal Care average. Past it, Immune System Booster is stronger. Inside it, weaker.
Market
The Immune System Booster market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Immune System Booster 219K times last year and spent an estimated £132K. The top 5 brands take 82% of clicks. Demand peaks in Jan–Feb–Mar. Flapen scores it 37 out of 100, a Fail.
01 · Demand
An estimated 6.7% of those searches ended in a purchase.
Shoppers searched for this 219K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 6.7% of those searches ended in a purchase. Searches in the last 90 days moved -44.4% against the 90 days before. Searches, conversion and average price together put the market at an estimated £132K a year.
- Searches, last 12 months
- 219K
- Growth, 90 days vs prior 90
- -44.4%
- Conversion, latest week
- 6.7%
- Market size, estimated
- £132Ka year
- Peak month
- January4.7× the quietest month
- Top search term
- immune support supplements35K searches a year
02 · Price
A sale here is worth £8.99.
Listings sell for £8.99 on average, from £3.88 to £20.76. Amazon reports units sold in ranges. This niche sold 15K to 20K a year. The average listing sells 750 to 1,000 of them. At £8.99 that is £7K to £9K a year per listing.
- Average price
- £8.99under the $15 to $100 sweet spot
- Price range
- £3.88–£20.76
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 15K–20K
- Units per listing a year
- 750–1,000
- Revenue per listing a year
- £7K–£9K
- Returns
- 0.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is reviews.
83% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 6.5% of listings are out of stock. The average listing ranks #209 within Over-the-Counter Medication. It carries 3,319 reviews at 4.56 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 83%
- Prime listings
- 100%
- Out of stock, average day
- 6.5%
- Average rank
- #209in Over-the-Counter Medication
- Average rating
- 4.56 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 3,319per listing
- Listings tracked
- 18
04 · Newcomers
0 of last year's 1 launches cleared the first-year sales bar.
1 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 61 months on average, so the names here are established.
- Launched, last 12 months
- 1
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 61 months
Products
Top Immune System Booster products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 25, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Vitabiotics Immunace Extra Protection Tablets 30s
- Price
- £7.03
- Rating
- 4.6/5
- Reviews
- 2,914
- Age
- 16y ago

Vitamin D3 Immune Booster Complex - with Vitamins D C B12 Zinc Turmeric & Elderberry - Immune Support - Made in the UK - Immunity Booster by New Leaf 120 Tablets
- Price
- £6.91
- Rating
- 4.5/5
- Reviews
- 673
- Age
- 2y ago

Berocca Immuno Multivitamin Gummies - Immune System Support Including Vitamin D C A B-Complex (B6 B7 B12) E and Zinc - Supplement for Women Men and Kids - 60 Gummies - Orange Flavour
- Price
- £6.63
- Rating
- 4.5/5
- Reviews
- 913
- Age
- 2y ago

Immunace Vitabiotics Original Tablets 30 Capsules
- Price
- £3.88
- Rating
- 4.6/5
- Reviews
- 2,914
- Age
- 17y ago

Immune System Booster & Vitality Support 120 Tablets High Strength Vitamin C Zinc Vitamin D3 & Elderberry 2 Month Supply Daily Immunity & Energy Multivitamin Vegan Friendly
- Price
- £7.80
- Rating
- 4.4/5
- Reviews
- 65
- Age
- 8mo ago
Trending
estimated 90-day click momentum
BioSchwartz BioSchwartz Immune Support Supplement with Vitamin C 1000mg Zinc Elderberry Extract Ginger Root Beta Carotenes Immunity Boost for Adults Immune Defense Antioxidant Vitamins 90 Capsules
- Price
- £14.96
- Rating
- 4.6/5
- Reviews
- 6,037
- Age
- 3y ago

Nutravita Multivitamin Tablets for Women & Men - 365 Vegan Tablets - 1 Year Supply of Multivitamins - Immune System Support - Multi Vitamins - 26 Essential Active Vitamins & Minerals - Made in the UK
- Price
- £14.67
- Rating
- 4.6/5
- Reviews
- 20,749
- Age
- 7y ago

Vitl Immune Support Supplement - 30 Vegan Capsules - with Vitamin D Vitamin C Folate Zinc Turmeric & Elderberry Extracts - 1 Month Supply
- Price
- £6.92
- Rating
- 4.4/5
- Reviews
- 100
- Age
- 5y ago

SAMBUCOL IMMUNO FORTE GUMMIES 30 Count (Pack of 1)
- Price
- £6.43
- Rating
- 4.6/5
- Reviews
- 1,473
- Age
- 7y ago

Berocca Immuno Multivitamin Gummies - Immune System Support Including Vitamin D C A B-Complex (B6 B7 B12) E and Zinc - Supplement for Women Men and Kids - 60 Gummies - Orange Flavour
- Price
- £6.63
- Rating
- 4.5/5
- Reviews
- 913
- Age
- 2y ago
Newest
by launch date
Immune System Booster & Vitality Support 120 Tablets High Strength Vitamin C Zinc Vitamin D3 & Elderberry 2 Month Supply Daily Immunity & Energy Multivitamin Vegan Friendly
- Price
- £7.80
- Rating
- 4.4/5
- Reviews
- 65
- Age
- 8mo ago

Berocca Immuno Multivitamin Gummies - Immune System Support Including Vitamin D C A B-Complex (B6 B7 B12) E and Zinc - Supplement for Women Men and Kids - 60 Gummies - Orange Flavour
- Price
- £6.63
- Rating
- 4.5/5
- Reviews
- 913
- Age
- 2y ago

Vitamin D3 Immune Booster Complex - with Vitamins D C B12 Zinc Turmeric & Elderberry - Immune Support - Made in the UK - Immunity Booster by New Leaf 120 Tablets
- Price
- £6.91
- Rating
- 4.5/5
- Reviews
- 673
- Age
- 2y ago

Tonic Health Immunity & Vitality Tablets - 4-in-1 Effervescent Multivitamins and Nutrients - Vitamin D Vitamin C and Zinc - Vegan No Sugar- Max Strength Tablets Raspberry & Lemon 20 Count
- Price
- £7.11
- Rating
- 4.5/5
- Reviews
- 578
- Age
- 2y ago

BioSchwartz BioSchwartz Immune Support Supplement with Vitamin C 1000mg Zinc Elderberry Extract Ginger Root Beta Carotenes Immunity Boost for Adults Immune Defense Antioxidant Vitamins 90 Capsules
- Price
- £14.96
- Rating
- 4.6/5
- Reviews
- 6,037
- Age
- 3y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 75% of clicks. A locked shelf that new listings rarely crack.
Brands
15 rising
Sellers
157
Est. top-5 brand share
82%
Top 20: 100%
Est. 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%)
Demand
Immune System Booster search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jan, Feb, Mar · busiest ÷ quietest = 4.7×
Search terms
Top Immune System Booster search terms shoppers use
The exact words shoppers type, with estimated 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
Reviews and returns
What reviews say buyers love and hate about Immune System Booster
We read the reviews and the return reasons for every product selling here.
“I don't like the taste”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
19 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Immune System Booster questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









