Vitamin B1
FailPrices span $3.78–$16.77, mostly outside the sweet spot, so Vitamin B1 is a Fail.
- Flapen Score
- 47 / 100Ranks 1,080 of 2,035 Health & Personal Care niches · −1 vs the category median of 4847
- Market size
- £255K/yr191K searches / yr
- 90-day growth
- -6.5%search demand this quarter
- Competition
- 76%top-5 click share · 12 brands · 26 sellers
Flapen Score
Vitamin B1 against its category
The dotted line is the Health & Personal Care average. Past it, Vitamin B1 is stronger. Inside it, weaker.
Market
The Vitamin B1 market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Vitamin B1 191K times last year and spent an estimated £255K. The top 5 brands take 78% of clicks. Flapen scores it 47 out of 100, a Fail.
01 · Demand
An estimated 15.8% of those searches ended in a purchase.
Shoppers searched for this 191K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 15.8% of those searches ended in a purchase. Searches in the last 90 days moved -6.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated £255K a year.
- Searches, last 12 months
- 191K
- Growth, 90 days vs prior 90
- -6.5%
- Conversion, latest week
- 15.8%
- Market size, estimated
- £255Ka year
- Peak month
- April1.5× the quietest month
- Top search term
- vitamin b171K searches a year
02 · Price
A sale here is worth £8.48.
Listings sell for £8.48 on average, from £3.78 to £16.77. Amazon reports units sold in ranges. This niche sold 25K to 30K a year. The average listing sells 2,000 to 2,500 of them. At £8.48 that is £17K to £21K a year per listing.
- Average price
- £8.48under the $15 to $100 sweet spot
- Price range
- £3.78–£16.77
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 25K–30K
- Units per listing a year
- 2,000–2,500
- Revenue per listing a year
- £17K–£21K
- Returns
- 0.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is low.
85% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 4.1% of listings are out of stock. The average listing ranks #9 within Vitamins. It carries 937 reviews at 4.51 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 85%
- Prime listings
- 100%
- Out of stock, average day
- 4.1%
- Average rank
- #9in Vitamins
- Average rating
- 4.51 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 937per listing
- Listings tracked
- 13
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 65 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 65 months
Products
Top Vitamin B1 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
Natures Aid Vitamin B1 100mg Thiamine Tablets High Strength Food Supplement Supports Energy Metabolism Nervous System Heart & Mind Vegan Gluten-Free Non-GMO 90 Tablets
- Price
- £5.25
- Rating
- 4.6/5
- Reviews
- 2,296
- Age
- 17y ago

Lindens Vitamin B1 Thiamine Tablets - 100 Pack - for Heart Immune and Psychological Function & Energy Release - UK Manufacturer Letterbox Friendly
- Price
- £6.07
- Rating
- 4.6/5
- Reviews
- 1,438
- Age
- 12y ago

Vitamin B1 Thiamine Supplement 100mg (4 Months Value Supply) Thiamine Vitamin B1 High Strength Heart Health Healthy Nervous System Immune Health Energy Release Vegan Gluten-Free UK 120 Tablets
- Price
- £7.46
- Rating
- 4.4/5
- Reviews
- 843
- Age
- 5y ago

Solgar Vitamin B1 (Thiamin) 500 mg Tablets - Pack of 100 - Supports Energy Metabolism and Nervous System - Vegan
- Price
- £16.77
- Rating
- 4.5/5
- Reviews
- 3,551
- Age
- 16y ago

Vitamin B1 Thiamine 100mg 120 Tablets | Healthy Heart Immune & Psychological Function | Thiamine Hydrochloride High Strength | Vegan | MOBU UK
- Price
- £6.56
- Rating
- 4.5/5
- Reviews
- 562
- Age
- 5y ago
Trending
estimated 90-day click momentum
ThiaMax-100 Vitamin B1 Thiamine 100mg Tablets Pack of 100 - for Heart Immune and Psychological Function & Energy Release
- Price
- £4.87
- Rating
- 4.3/5
- Reviews
- 43
- Age
- 3y ago

VitaThrive Vitamin B1 100mg Tablets High Strength Thiamine Supplement for Energy Metabolism Nervous System Function & Daily Wellness Support Vegan Tablets 90 Tablets
- Price
- £3.78
- Rating
- 4.4/5
- Reviews
- 131
- Age
- 4y ago

Vitamin B1 Thiamine 100mg Tablets | 120 Count (4 Months Supply) | High Strength Vitamin B1 | Suitable for Vegetarians and Vegans | by Horbaach
- Price
- £6.46
- Rating
- 4.5/5
- Reviews
- 897
- Age
- 5y ago

Solgar Vitamin B1 (Thiamin) 100 mg Vegetable Capsules - Pack of 100 - Supports Energy Levels and Nervous System - for a Healthy Heart and Balanced Mind - Vegan and Gluten Free
- Price
- £9.42
- Rating
- 4.5/5
- Reviews
- 1,350
- Age
- 16y ago

Natures Aid Vitamin B1 100mg Thiamine Tablets High Strength Food Supplement Supports Energy Metabolism Nervous System Heart & Mind Vegan Gluten-Free Non-GMO 90 Tablets
- Price
- £5.25
- Rating
- 4.6/5
- Reviews
- 2,296
- Age
- 17y ago
Newest
by launch date
Vinco Benfotiamine 300mg - Vitamin B1 Thiamine High Strength for Heart & Kidney Support 120 Vegan Capsules Enhanced Cognitive Function Energy & Antioxidants Gluten & Allergen-Free - Made in UK
- Price
- £13.53
- Rating
- 4.5/5
- Reviews
- 313
- Age
- 2y ago

ThiaMax-100 Vitamin B1 Thiamine 100mg Tablets Pack of 100 - for Heart Immune and Psychological Function & Energy Release
- Price
- £4.87
- Rating
- 4.3/5
- Reviews
- 43
- Age
- 3y ago

VitaThrive Vitamin B1 100mg Tablets High Strength Thiamine Supplement for Energy Metabolism Nervous System Function & Daily Wellness Support Vegan Tablets 90 Tablets
- Price
- £3.78
- Rating
- 4.4/5
- Reviews
- 131
- Age
- 4y ago

Vitamin B1 Thiamine 100mg 120 Tablets | Healthy Heart Immune & Psychological Function | Thiamine Hydrochloride High Strength | Vegan | MOBU UK
- Price
- £6.56
- Rating
- 4.5/5
- Reviews
- 562
- Age
- 5y ago

Vitamin B1 Thiamine 100mg Tablets | 120 Count (4 Months Supply) | High Strength Vitamin B1 | Suitable for Vegetarians and Vegans | by Horbaach
- Price
- £6.46
- Rating
- 4.5/5
- Reviews
- 897
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 76% of clicks. A locked shelf that new listings rarely crack.
Brands
12 falling
Sellers
26
Est. top-5 brand share
78%
Top 20: 100%
Est. top-5 click share
76%
Top 20: 100%
Open market
17%
- Natures Aid37%
- Lindens14%
- NEW LEAF PRODUCTS12%
- Solgar9%
- MOBU6%
- Vita Thrive5%
- Open — no brand owns it (6 brands, 17%)
Demand
Vitamin B1 search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.5×
Search terms
Top Vitamin B1 search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- vitamin b171K/yr
- thiamine37K/yr
- thiamine vitamin b1 high strength20K/yr
- b1 vitamin10K/yr
- vit b17K/yr
- vitamin b1 thiamine6K/yr
- b1 thiamine4K/yr
- thiamine 100mg tablets6K/yr
- ttfd thiamine3K/yr
Reviews and returns
What reviews say buyers love and hate about Vitamin B1
We read the reviews and the return reasons for every product selling here.
“you'll be spending way more on your hot water, soap and deodorant, because your body gets that stink too”
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.
17 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 Vitamin B1 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









