Vitamin B12
FailPrices span $4.73–$7.99, mostly outside the sweet spot, so Vitamin B12 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
- £1.6M/yr1.5M searches / yr
- 90-day growth
- -7.0%search demand this quarter
- Competition
- 83%top-5 click share · 11 brands · 57 sellers
Flapen Score
Vitamin B12 against its category
The dotted line is the Health & Personal Care average. Past it, Vitamin B12 is stronger. Inside it, weaker.
Market
The Vitamin B12 market on Amazon at a glance
Shoppers on Amazon United Kingdom searched for Vitamin B12 1.5M times last year and spent an estimated £1.6M. The top 5 brands take 83% of clicks. Flapen scores it 47 out of 100, a Fail.
01 · Demand
An estimated 16.6% of those searches ended in a purchase.
Shoppers searched for this 1.5M times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 16.6% of those searches ended in a purchase. Searches in the last 90 days moved -7.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated £1.6M a year.
- Searches, last 12 months
- 1.5M
- Growth, 90 days vs prior 90
- -7.0%
- Conversion, latest week
- 16.6%
- Market size, estimated
- £1.6Ma year
- Peak month
- February1.3× the quietest month
- Top search term
- vitamin b12548K searches a year
02 · Price
A sale here is worth £6.51.
Listings sell for £6.51 on average, from £4.73 to £7.99. Amazon reports units sold in ranges. This niche sold 200K to 250K a year. The average listing sells 20,000 to 25,000 of them. At £6.51 that is £130K to £163K a year per listing.
- Average price
- £6.51under the $15 to $100 sweet spot
- Price range
- £4.73–£7.99
- Amazon United Kingdom median price
- £12.12across 27,606 niches
- Units sold a year
- 200K–250K
- Units per listing a year
- 20,000–25,000
- Revenue per listing a year
- £130K–£163K
- Returns
- 0.1%of orders · Amazon United Kingdom median 0.6%
03 · Entry bar
The bar here is ads and reviews.
100% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.7% of listings are out of stock. The average listing ranks #8 within Vitamins. It carries 7,909 reviews at 4.59 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 100%
- Prime listings
- 100%
- Out of stock, average day
- 0.7%
- Average rank
- #8in Vitamins
- Average rating
- 4.59 starsAmazon United Kingdom average 4.36 stars
- Average reviews
- 7,909per listing
- Listings tracked
- 11
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 63 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
- 63 months
Products
Top Vitamin B12 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
Vitamin B12 Tablets High Strength - 1 Year Supply (365 Tablets) - 1000mcg Dual Power B12 Vitamin Complex with Methylcobalamin & Adenosylcobalamin - Vegan Supplement - (Packaging Design May Vary)
- Price
- £7.29
- Rating
- 4.6/5
- Reviews
- 7,517
- Age
- 3y ago

Vitamin B12 Tablets - 450 Tablets (1+ Year Supply) - 1 Per Day - 1000mcg - 6mm in Size - Easy to Swallow - Methylcobalamin Form - Vegan Vitamin B12 Supplement for Men & Women - Made in the UK
- Price
- £6.50
- Rating
- 4.5/5
- Reviews
- 28,784
- Age
- 3y ago

Zipvit Vitamin B12 Tablets High Strength 1100mcg 1 Year Supply Pure Methylcobalamin 360 Vegan Tablets Reduces Tiredness Supports Energy and Immunity
- Price
- £6.66
- Rating
- 4.6/5
- Reviews
- 10,839
- Age
- 9y ago

Solgar Vitamin 100 g B12 Tablets - Pack of 100 - Easy to take Form - for Healthy Nervous System Heart and Mind - Red Blood Cell Formation - Vegan
- Price
- £4.73
- Rating
- 4.6/5
- Reviews
- 14,756
- Age
- 16y ago

Nutravita Vitamin B12 1000mcg - 365 High Strength Vegan Tablets (1 Year Supply) - Max Strength B12 Supplement - Contributes to The Reduction of Tiredness and Fatigue - Made in The UK
- Price
- £7.77
- Rating
- 4.7/5
- Reviews
- 9,029
- Age
- 9y ago
Trending
estimated 90-day click momentum
Natures Aid Vitamin B12 1000g High Strength Sublingual Tablets Supports Energy Metabolism & Nervous System Vegan Non-GMO Gluten-Free Supplement 90 Tablets
- Price
- £5.35
- Rating
- 4.6/5
- Reviews
- 921
- Age
- 14y ago

Nutravita Vitamin B12 1000mcg - 365 High Strength Vegan Tablets (1 Year Supply) - Max Strength B12 Supplement - Contributes to The Reduction of Tiredness and Fatigue - Made in The UK
- Price
- £7.77
- Rating
- 4.7/5
- Reviews
- 9,029
- Age
- 9y ago

Solgar Vitamin 100 g B12 Tablets - Pack of 100 - Easy to take Form - for Healthy Nervous System Heart and Mind - Red Blood Cell Formation - Vegan
- Price
- £4.73
- Rating
- 4.6/5
- Reviews
- 14,756
- Age
- 16y ago

Zipvit Vitamin B12 Tablets High Strength 1100mcg 1 Year Supply Pure Methylcobalamin 360 Vegan Tablets Reduces Tiredness Supports Energy and Immunity
- Price
- £6.66
- Rating
- 4.6/5
- Reviews
- 10,839
- Age
- 9y ago

BetterYou Vitamin B12 Oral Spray High Strength Methylcobalamin Supplement 1200mcg per dose to Boost Energy Natural Apricot Flavour 48-Day Supply
- Price
- £6.27
- Rating
- 4.6/5
- Reviews
- 6,965
- Age
- 14y ago
Newest
by launch date
Vitamin B12 Tablets High Strength - 1 Year Supply (365 Tablets) - 1000mcg Dual Power B12 Vitamin Complex with Methylcobalamin & Adenosylcobalamin - Vegan Supplement - (Packaging Design May Vary)
- Price
- £7.29
- Rating
- 4.6/5
- Reviews
- 7,517
- Age
- 3y ago

Vitamin B12 Tablets - 450 Tablets (1+ Year Supply) - 1 Per Day - 1000mcg - 6mm in Size - Easy to Swallow - Methylcobalamin Form - Vegan Vitamin B12 Supplement for Men & Women - Made in the UK
- Price
- £6.50
- Rating
- 4.5/5
- Reviews
- 28,784
- Age
- 3y ago

Red Label Health Vitamin B12 Tablets High Strength 1000mcg for Men & Women Pack of 360 Tablets (1 Year Supply) Methylcobalamin B12 Vitamin for Tiredness and Fatigue Vegetarian Vegan
- Price
- £5.04
- Rating
- 4.6/5
- Reviews
- 948
- Age
- 3y ago

Vitamin B12 High Strength Tablets - 1000mcg Vegan B12 Vitamin Methylcobalamin Supplement Contributes to The Reduction of Tiredness and Fatigue & Immune Energy Support Made in the UK (4 Month Supply)
- Price
- £7.38
- Rating
- 4.5/5
- Reviews
- 1,674
- Age
- 5y ago

Vegan Vitamin B12 Tablets 1500mcg Methylcobalamin High Strength with Added Folic Acid & Black Pepper - 180 Tablets (6 Month Supply) - Reduction of Tiredness & Fatigue - Made in The UK By YrHealth
- Price
- £7.99
- Rating
- 4.6/5
- Reviews
- 1,957
- Age
- 5y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 83% of clicks. A locked shelf that new listings rarely crack.
Brands
11 falling
Sellers
57
Est. top-5 brand share
83%
Top 20: 100%
Est. top-5 click share
83%
Top 20: 100%
Open market
13%
- Nutrition Geeks41%
- WeightWorld22%
- Zipvit11%
- Solgar5%
- Nutravita4%
- Red Label Health4%
- Open — no brand owns it (5 brands, 13%)
Demand
Vitamin B12 search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 1.3×
Search terms
Top Vitamin B12 search terms shoppers use
The exact words shoppers type, with estimated yearly volume, growth, and conversion.
- vitamin b12548K/yr
- b12316K/yr
- b12 tablets high strength220K/yr
- b12 vitamin116K/yr
- vitamin b12 tablets high strength69K/yr
- b12 supplement32K/yr
- vitamin b12 methylcobalamin20K/yr
- b12 tablets30K/yr
- vit b1224K/yr
- vitamin b12 tablets28K/yr
Reviews and returns
What reviews say buyers love and hate about Vitamin B12
We read the reviews and the return reasons for every product selling here.
“your body will not absorb the amount you think it is in the daily dose”
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.
18 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 B12 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









