---
title: "Vitamin B Complex — £802K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/vitamin-b-complex"
last_updated: "2026-07-31T14:48:40.972Z"
locale: en
meta:
  description: "Niche score 50/100 · £802K/yr market · 726K searches/yr. Prices mostly outside the sweet spot ($3.50–$14.98) keeps it on the watch list. Data updated Jul 2026."
  "og:description": "Niche score 50/100 · £802K/yr market · 726K searches/yr. Prices mostly outside the sweet spot ($3.50–$14.98) keeps it on the watch list. Data updated Jul 2026."
  "og:title": "Vitamin B Complex — £802K/yr Amazon UK Niche (2026) - Flapen"
---

# **vitamin b complex**

**Worth a look**

Shows low returns (0.1%), but prices mostly outside the sweet spot ($3.50–$14.98) keeps it on the watch list.

Market size 73Growth 17Conversion 96Competition 35Returns 100Price range 0Avg price 22Brand share 64Review moat 24Quality gap 28

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Conversion**

**Incredible****14.1%**

search→purchase rate — share of searches ending in a sale

**Market size**

**Good****£802K**

£802K/yr · 726K searches

**Brand share**

**Good****67%**

top-5 brand share — brands hold most of the demand

**Competition**

**Okay****64%**

top-5 click share — leaders hold, buyers still browse

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Review moat**

**Bad****5,613.05**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Bad****£7.86**

avg listing price — sweet spot $15–$100

**Growth**

**Bad****-15.0%**

90-day search growth — must beat 0% to launch

**Price range**

**Bad****£3.50–£14.98**

cheapest to priciest tracked listing — scored on the share inside $15–$100

According to Flapen's Amazon United Kingdom niche tracking, vitamin b complex is a £802K/yr Amazon United Kingdom market (726K searches/yr). The top 5 brands hold 67% of demand. Verdict: Worth a look — 50/100.

Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **vitamin b complex market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**80K–100K**</dd><dd>avg 6,000–8,000/product</dd>

<dt>**Revenue / yr**</dt><dd>**£629K–£786K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**14.1%**</dd>

<dt>**Avg BSR**</dt><dd>**#16**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**100%**</dd>

<dt>**Sponsored**</dt><dd>**89%**</dd>

<dt>**Out of stock**</dt><dd>**2.4%**</dd>

<dt>**Avg brand age**</dt><dd>**67 months**</dd>

<dt>**Avg seller age**</dt><dd>**164 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.

**Brands**

**16 **▲rising

**Sellers**

**45**

**Top-5 brand share**

**67%**

Top 20: 100%

**Top-5 click share**

**64%**

Top 20: 100%

**Open market**

**26%**

- WeightWorld25% - NEW LEAF PRODUCTS13% - Vitabiotics Ultra10% - Igennus Healthcare Nutrition10% - Solgar8% - Nutravita8%

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -15.0% search growth over the last 90 days.

18K13KSpike '25 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.4×

[**Open Trend **](https://flapen.com/research/uk/health-personal-care/vitamin-b-complex/trend)

## **Top vitamin b complex search terms**

- **vitamin b complex**277K/yr-11.8%13.7% conv. - **vitamin b**108K/yr-20.9%11.2% conv. - **b complex**97K/yr-19.9%8.7% conv. - **vitamin b complex high strength**41K/yr-14.0%10.9% conv. - **b complex vitamins high strength**34K/yr-23.0%10.6% conv. - **b vitamins**31K/yr-21.6%10.4% conv. - **vit b complex**25K/yr-17.1%13.8% conv. - **b vitamin complex**26K/yr-32.3%9.4% conv. - **rynw vitamin b complex**4K/yr+0.0%1.5% conv. - **b complex vitamins**15K/yr-17.9%8.9% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/vitamin-b-complex/search-terms)

## **Top vitamin b complex 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%10%£80K20%£160K30%£241K40%£321K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 19 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Vitamin B Complex Supplement - 365 Tablets (1 Year Supply)](https://m.media-amazon.com/images/I/41UnBcW2TAL.jpg)**Vitamin B Complex Supplement - 365 Tablets (1 Year Supply)**WeightWorld**£9.43**4.6★14,543 rev](https://www.amazon.co.uk/dp/B08GG6TPN6) [2![Vitamin B Complex - 365 Small Tablets - All 8 B Vitamins B1-B2-B3-B5-B6-B12 (1 Year Supply) High Strength Biotin Folic Acid and Vitamin C - Reduction of Tiredness Energy & Immune Support - UK Made](https://m.media-amazon.com/images/I/41uFgdYmUQL.jpg)**Vitamin B Complex - 365 Small Tablets - All 8 B Vitamins B1-B2-B3-B5-B6-B12 (1 Year Supply) High Strength Biotin Folic Acid and Vitamin C - Reduction of Tiredness Energy & Immune Support - UK Made**NEW LEAF PRODUCTS**£8.04**4.6★3,184 rev](https://www.amazon.co.uk/dp/B08VWRYJ94) [3![Vitamin B-Complex Tablets Vitabiotics Ultra](https://m.media-amazon.com/images/I/51KFSNZViEL.jpg)**Vitamin B-Complex Tablets Vitabiotics Ultra**Vitabiotics Ultra**£3.50**4.6★3,393 rev](https://www.amazon.co.uk/dp/B007I0JNEE) [4![Igennus Super B-Complex - High Absorption Methylated B Vitamins Clean Label Sustained Release - Complete Spectrum of B Vitamins with Folate Boosted B12 & Vitamin C 60 Tablets](https://m.media-amazon.com/images/I/31BABOrII8L.jpg)**Igennus Super B-Complex - High Absorption Methylated B Vitamins Clean Label Sustained Release - Complete Spectrum of B Vitamins with Folate Boosted B12 & Vitamin C 60 Tablets**Igennus Healthcare Nutrition**£7.92**4.6★27,744 rev](https://www.amazon.co.uk/dp/B01787EPEE) [5![Solgar Vitamin B-Complex 50 High Potency - Supports Mental Performance - Reduces Tiredness & Fatigue - Vegan - 100 Vegetable Capsules](https://m.media-amazon.com/images/I/41xlkLY3fcL.jpg)**Solgar Vitamin B-Complex 50 High Potency - Supports Mental Performance - Reduces Tiredness & Fatigue - Vegan - 100 Vegetable Capsules**Solgar**£10.49**4.6★2,640 rev](https://www.amazon.co.uk/dp/B00024D6CS)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Vitamin B Complex with Vitamin C High Strength All 8 B Vitamins (B1 B2 B3 B5 B6 B7 B9 B12) 1 Tablet a Day 120 Tablets Energy & Nervous System Support Vitavea](https://m.media-amazon.com/images/I/41lbDy7li1L.jpg)**Vitamin B Complex with Vitamin C High Strength All 8 B Vitamins (B1 B2 B3 B5 B6 B7 B9 B12) 1 Tablet a Day 120 Tablets Energy & Nervous System Support Vitavea**Vitavea**£7.19**52 rev10mo ago](https://www.amazon.co.uk/dp/B0FR48KG52) [![Zipvit Vitamin B Complex 100% NRV of All 8 B Vitamins 12 Month Supply Supports Energy Mental Performance & Immunity](https://m.media-amazon.com/images/I/418x5IxqUNL.jpg)**Zipvit Vitamin B Complex 100% NRV of All 8 B Vitamins 12 Month Supply Supports Energy Mental Performance & Immunity**Zipvit**£7.79**68 rev10mo ago](https://www.amazon.co.uk/dp/B0FQVC8K3N) [![Nutravita Vitamin B Complex High Strength with Vitamin D + Vitamin C 500 Tablets for +1 Year of Supply Energy-Yielding Metabolism - Reduction of Tiredness & Fatigue (EFSA) Made in the UK](https://m.media-amazon.com/images/I/41RLbpWl+oL.jpg)**Nutravita Vitamin B Complex High Strength with Vitamin D + Vitamin C 500 Tablets for +1 Year of Supply Energy-Yielding Metabolism - Reduction of Tiredness & Fatigue (EFSA) Made in the UK**Nutravita**£7.80**1,196 rev1y ago](https://www.amazon.co.uk/dp/B0DCZTXZXR) [![Vitamin B Complex High Strength | 365 Tablets (1 Year Supply) | All 8 B Vitamins | Vitamin B1 B2 B3 B5 B6 B12 Choline Folic Acid & Biotin | Vegan | By Horbaach](https://m.media-amazon.com/images/I/41hcFC4bZfL.jpg)**Vitamin B Complex High Strength | 365 Tablets (1 Year Supply) | All 8 B Vitamins | Vitamin B1 B2 B3 B5 B6 B12 Choline Folic Acid & Biotin | Vegan | By Horbaach**Horbäach**£6.24**427 rev2y ago](https://www.amazon.co.uk/dp/B0CNWJT2X5) [![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)](https://m.media-amazon.com/images/I/41F8CMrJotL.jpg)**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 B Complex High Strength - Slow Release Super B Complex 60 Tablets - Enriched with Vitamins D & C - Complete Vit B Supplement All 8 Vitamin B12 B6 Folic Acid Biotin B1 B2 B3 B5 - UK Made](https://m.media-amazon.com/images/I/51oOSCHd09L.jpg)**Vitamin B Complex High Strength - Slow Release Super B Complex 60 Tablets - Enriched with Vitamins D & C - Complete Vit B Supplement All 8 Vitamin B12 B6 Folic Acid Biotin B1 B2 B3 B5 - UK Made**SuperSelf**£8.18**4.5★**▲ 202%**](https://www.amazon.co.uk/dp/B089N6VT6J) [![Vitamin B Complex with Vitamin C High Strength All 8 B Vitamins (B1 B2 B3 B5 B6 B7 B9 B12) 1 Tablet a Day 120 Tablets Energy & Nervous System Support Vitavea](https://m.media-amazon.com/images/I/41lbDy7li1L.jpg)**Vitamin B Complex with Vitamin C High Strength All 8 B Vitamins (B1 B2 B3 B5 B6 B7 B9 B12) 1 Tablet a Day 120 Tablets Energy & Nervous System Support Vitavea**Vitavea**£7.19**4.4★**▲ 109%**](https://www.amazon.co.uk/dp/B0FR48KG52) [![Igennus Super B-Complex - High Absorption Methylated B Vitamins Clean Label Sustained Release - Complete Spectrum of B Vitamins with Folate Boosted B12 & Vitamin C 60 Tablets](https://m.media-amazon.com/images/I/31BABOrII8L.jpg)**Igennus Super B-Complex - High Absorption Methylated B Vitamins Clean Label Sustained Release - Complete Spectrum of B Vitamins with Folate Boosted B12 & Vitamin C 60 Tablets**Igennus Healthcare Nutrition**£7.92**4.6★**▲ 75%**](https://www.amazon.co.uk/dp/B01787EPEE) [![Zipvit Vitamin B Complex 100% NRV of All 8 B Vitamins 12 Month Supply Supports Energy Mental Performance & Immunity](https://m.media-amazon.com/images/I/418x5IxqUNL.jpg)**Zipvit Vitamin B Complex 100% NRV of All 8 B Vitamins 12 Month Supply Supports Energy Mental Performance & Immunity**Zipvit**£7.79**4.6★**▲ 74%**](https://www.amazon.co.uk/dp/B0FQVC8K3N) [![Nutravita Vitamin B Complex - 180 High Strength Tablets (6 Months Supply) - All 8 B Vitamins B1-B2-B5-B6-B12 Biotin Folic Acid and Vitamin D3](https://m.media-amazon.com/images/I/41nMa4WO0fL.jpg)**Nutravita Vitamin B Complex - 180 High Strength Tablets (6 Months Supply) - All 8 B Vitamins B1-B2-B5-B6-B12 Biotin Folic Acid and Vitamin D3**Nutravita**£5.44**4.6★**▲ 53%**](https://www.amazon.co.uk/dp/B0BL43DPL4)

**~~View all trending →~~**

## **What buyers say about vitamin b complex**

What buyers praise and complain about, mined from review topics.

### **What buyers love **

**Value For Money**18%

*“Good value for money”*

**Vitamin**17%

*“Great vitamin”*

**Quality-Overall**14%

*“Great quality arrived on time thanks Amazon”*

**Ease Of Chewing/Swallowing**12%

*“so no problem swallowing”*

**Advertised Vs Actual Product**5%

*“As advertised”*

**Energy Level**4%

*“have more energy”*

**Ease Of Use**4%

*“Ease of Use”*

**Nutritional Content**3%

*“Love this company for nutrition needs”*

**Size-Overall**3%

*“Good size and amount”*

**Sleep Quality**2%

*“Helps me with sleep”*

### **What buyers complain about **

**Smell**12%

*“Bad smell”*

**Dosage**10%

*“Unless your doctor tells you that you specifically need this high of a dose”*

**Taste-Overall**6%

*“There is no taste or after taste”*

**Size-Overall**6%

*“These tablets are quite big”*

**Side Effects**6%

*“Belly Cramps”*

**Vitamin**6%

*“I assume there maybe issues with my absorption of this vitamin”*

**Value For Money**3%

*“Cost me a day's pay”*

**Quality-Overall**2%

*“Not the best staff”*

**Functionality-Overall**2%

*“Dont work”*

**Acid Regulator/Stomach Ache Relief**2%

*“every time I took these I had awful stomach cramps”*

### **Top return reasons **

**Color**100%

## **Common questions**

<dl>

<dt>**Is vitamin b complex profitable to sell on Amazon United Kingdom?**</dt><dd>The niche generates £802K/yr across 19 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -15.0%. Flapen's verdict: Worth a look (50/100).</dd>

<dt>**How competitive is the vitamin b complex niche?**</dt><dd>16 brands and 45 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 67% of demand.</dd>

<dt>**What do buyers complain about in vitamin b complex?**</dt><dd>Top complaints mined from reviews: Smell, Dosage, Taste-Overall. The return rate is 0.1%.</dd>

<dt>**When does demand for vitamin b complex peak?**</dt><dd>Demand is steady year-round — the busiest month runs 1.4× the quietest.</dd>

<dt>**What does it cost to enter the vitamin b complex niche?**</dt><dd>Listings span £3.50–£14.98; the average listing price is £7.86 (sweet spot $15–$100). The average incumbent carries 5,613 reviews — the moat a new listing must climb.</dd>

</dl>

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