---
title: "B12 Sublingual — £64K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/b12-sublingual"
last_updated: "2026-07-31T08:58:57.801Z"
locale: en
meta:
description: "Niche score 44/100 · £64K/yr market · 51K searches/yr · £10.79 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 44/100 · £64K/yr market · 51K searches/yr · £10.79 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "B12 Sublingual — £64K/yr Amazon UK Niche (2026) - Flapen"
---
# **b12 sublingual**
**Skip it**
A small market ($64K/yr) — this niche doesn't clear our bar today.
Market size 16Growth 16Conversion 94Competition 46Returns 100Price range 35Avg price 40Brand share 41Review moat 24Quality gap 38
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****11.6%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Okay****57%**
top-5 click share — leaders hold, buyers still browse
**Brand share**
**Okay****80%**
top-5 brand share — brands hold most of the demand
**Avg price**
**Okay****£10.79**
avg listing price — sweet spot $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Price range**
**Okay****£4.73–£20.54**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Review moat**
**Bad****6,472.48**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****£64K**
£64K/yr · 51K searches
**Growth**
**Bad****-17.8%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, b12 sublingual is a £64K/yr Amazon United Kingdom market (51K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Apr–Oct. Verdict: Skip it — 44/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **b12 sublingual market data**
- **Units sold / yr**
- **5K–6K**
- avg 250–500/product
- **Revenue / yr**
- **£54K–£65K**
- units × avg price
- **Conversion rate**
- **11.6%**
- **Avg BSR**
- **#19**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **86%**
- **Out of stock**
- **4.5%**
- **Avg brand age**
- **67 months**
- **Avg seller age**
- **173 days**
## **Competition & brand share**
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**13 **—flat
**Sellers**
**70**
**Top-5 brand share**
**80%**
Top 20: 100%
**Top-5 click share**
**57%**
Top 20: 100%
**Open market**
**15%**
- Solgar49% - Igennus Healthcare Nutrition11% - Royal Oak Health8% - Natures Aid7% - Nature Provides5% - Nutrition Geeks5% - Open — no brand owns it (7 brands, 15%)
## **Demand & seasonality**
Weekly Amazon search volume, last 84 weeks — -17.8% search growth over the last 90 days.
4K3KSpike '25Prime Day '25Spike '26 seasonJanFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Apr, Oct · busiest ÷ quietest = 2.5×
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/b12-sublingual/trend)
## **Top b12 sublingual search terms**
- **b12 sublingual**11K/yr-12.5%9.0% conv. - **solgar b12**14K/yr-32.7%12.8% conv. - **sublingual vitamin b12**8K/yr-17.2%9.2% conv. - **sublingual b12**5K/yr-19.6%8.3% conv. - **solgar vitamin b12**4K/yr+10.2%12.0% conv. - **methylcobalamin b12 sublingual**3K/yr-2.1%9.1% conv. - **vitamin b12 sublingual**3K/yr-10.5%8.1% conv. - **b12 solgar**3K/yr-11.8%14.5% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/b12-sublingual/search-terms)
## **Top b12 sublingual products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%5%£3K10%£6K15%£10K20%£13K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Solgar Vitamin B12 1000 g Sublingual Chewable Nuggets - Pack of 250 - Reduces Fatigue and Supports Energy Release - Vegan**Solgar**£16.02**4.6★14,756 rev](https://www.amazon.co.uk/dp/B00020IAPA) [2**Solgar Vitamin B12 Sublingual Chewable Nuggets - Food Supplement Pack of 100 - Supports Energy Metabolism - Vegan**Solgar**£9.06**4.6★14,756 rev](https://www.amazon.co.uk/dp/B00020IAOG) [3**Igennus Super Vitamin B12 Complex 1000mcg Sublingual 180 Servings Vegan**Igennus Healthcare Nutrition**£12.84**4.5★6,638 rev](https://www.amazon.co.uk/dp/B09G6ZDCDP) [4**Vitamin B12 Tablets High Strength 1000mcg Sublingual Methylcobalamin x120 Tablets (Tropical Berry Flavour) Active fast dissolving Vit B12 (4 Month Supply) Vegan Friendly Supplement - Royal Oak Health**Royal Oak Health**£12.34**4.6★238 rev](https://www.amazon.co.uk/dp/B09RWZG78M) [5**Natures Aid Vitamin B12 1000g High Strength Sublingual Tablets Supports Energy Metabolism & Nervous System Vegan Non-GMO Gluten-Free Supplement 90 Tablets**Natures Aid**£5.35**4.6★921 rev](https://www.amazon.co.uk/dp/B003VR6IKK)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Vitamin B12 Liquid Drops with B6 Sublingual Methylcobalamin B12 Supplement High Strength B Complex Energy Metabolism & Daily Wellness SupportRaspberry Flavor**GMOLARSUSCO**£9.91**29 rev4mo ago](https://www.amazon.co.uk/dp/B0GTZBZZHF) [**Igennus Super Vitamin B12 Complex 5000mcg High Strength Liquid Sublingual Spray Methylcobalamin Adenosylcobalamin & Hydroxocobalamin Methylated & Clean Natural Cherry Flavour 45 Servings Vegan**Igennus Healthcare Nutrition**£16.40**212 rev1y ago](https://www.amazon.co.uk/dp/B0DKY47662) [**Vitamin B12 Liquid Drops 5000mcg - 60ml (2 Months Supply) - High Strength Methylcobalamin Supplement - Vegan & Vegetarian Friendly - By Alpha01**ALPHA01**£8.20**519 rev2y ago](https://www.amazon.co.uk/dp/B0CYDD82XG) [**Flowzuk Vitamin B12 Liquid Drops 5000mcg High Strength Methylcobalamin Fast Absorbing Vegan B12 Supplement 60ml Dropper Bottle Gluten Free Energy & Wellness Support**Flowzuk**£20.54**158 rev3y ago](https://www.amazon.co.uk/dp/B0C9FVMNXM) [**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)**Nutrition Geeks**£7.29**7,517 rev3y ago](https://www.amazon.co.uk/dp/B0BSG2NVP5)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Vitamin B12 Liquid Drops with B6 Sublingual Methylcobalamin B12 Supplement High Strength B Complex Energy Metabolism & Daily Wellness SupportRaspberry Flavor**GMOLARSUSCO**£9.91**4.1★**▲ 253%**](https://www.amazon.co.uk/dp/B0GTZBZZHF) [**Lindens Vitamin B12 1000mcg Sublingual Tablets | 365 Pack | Contributing Towards Red Blood Cell Formation Reduction of Tiredness & Fatigue**Lindens**£15.81**4.5★**▲ 128%**](https://www.amazon.co.uk/dp/B075N92G89) [**Solgar Vitamin B-Complex with Vitamin C Tablets - Pack of 100 - High Strength B-Complex - Energy Immune and Nervous System Support - Vegan Gluten Free and Kosher**Solgar**£9.53**4.6★**▲ 70%**](https://www.amazon.co.uk/dp/B00020IB1S) [**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**WeightWorld**£6.50**4.5★**▲ 48%**](https://www.amazon.co.uk/dp/B08GG96FPL) [**Natures Aid Vitamin B12 1000g High Strength Sublingual Tablets Supports Energy Metabolism & Nervous System Vegan Non-GMO Gluten-Free Supplement 90 Tablets**Natures Aid**£5.35**4.6★**▲ 35%**](https://www.amazon.co.uk/dp/B003VR6IKK)
**~~View all trending →~~**
## **What buyers say about b12 sublingual**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**14%
*“Good Price”*
**Quality-Overall**14%
*“Great quality arrived on time thanks Amazon”*
**Vitamin**13%
*“Vitamin D. Excellent”*
**Ease Of Chewing/Swallowing**8%
*“The drops absorb quickly under the tongue and after 30 seconds, anything left you just swallow”*
**Ease Of Use**5%
*“Ease of use”*
**Energy Level**5%
*“improved energy levels”*
**Advertised Vs Actual Product**5%
*“As advertised”*
**Taste-Overall**5%
*“Good taste”*
**Efficiency**3%
*“effective theyve been”*
**Nutritional Content**2%
*“Good health”*
### **What buyers complain about **
**Taste-Overall**8%
*“Tasteless small tablets”*
**Dosage**8%
*“Unless your doctor tells you that you specifically need this high of a dose”*
**Side Effects**5%
*“Belly Cramps”*
**Vitamin**5%
*“I assume there maybe issues with my absorption of this vitamin”*
**Functionality-Overall**5%
*“didn't work for me”*
**Value For Money**4%
*“Expensive”*
**Size-Overall**3%
*“The tablets are small”*
**Calcium**2%
*“My B12 gone up”*
**Blood Sugar Level**2%
*“I have to have regular blood tests as I am diabetic”*
**Solubility**2%
*“Take a while to dissolve”*
### **Top return reasons **
**Value For Money**100%
## **Common questions**
- **Is b12 sublingual profitable to sell on Amazon United Kingdom?**
- The niche generates £64K/yr across 21 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -17.8%. Flapen's verdict: Skip it (44/100).
- **How competitive is the b12 sublingual niche?**
- 13 brands and 70 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 80% of demand.
- **What do buyers complain about in b12 sublingual?**
- Top complaints mined from reviews: Taste-Overall, Dosage, Side Effects. The return rate is 0.1%.
- **When does demand for b12 sublingual peak?**
- Demand peaks in Apr–Oct; the busiest month runs 2.5× the quietest.
- **What does it cost to enter the b12 sublingual niche?**
- Listings span £4.73–£20.54; the average listing price is £10.79 (sweet spot $15–$100). The average incumbent carries 6,472 reviews — the moat a new listing must climb.
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