---
title: "Omega 3 Vitamin D — £97K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/health-personal-care/omega-3-vitamin-d"
last_updated: "2026-07-31T16:28:02.894Z"
locale: en
meta:
description: "Niche score 48/100 · £97K/yr market · 67K searches/yr · £11.16 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 48/100 · £97K/yr market · 67K searches/yr · £11.16 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Omega 3 Vitamin D — £97K/yr Amazon UK Niche (2026) - Flapen"
---
# **omega 3 vitamin d**
**Skip it**
Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Market size 24Growth 86Conversion 96Competition 21Returns 100Price range 50Avg price 43Brand share 0Review moat 36Quality gap 27
**Returns**
**Incredible****0.1%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****13.0%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Great****+88.6%**
90-day search growth — must beat 0% to launch
**Price range**
**Good****£5.01–£24.86**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Okay****£11.16**
avg listing price — sweet spot $15–$100
**Review moat**
**Okay****2,858.6**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Market size**
**Bad****£97K**
£97K/yr · 67K searches
**Competition**
**Bad****75%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United Kingdom niche tracking, omega 3 vitamin d is a £97K/yr Amazon United Kingdom market (67K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 48/100.
Data updated Jul 24, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **omega 3 vitamin d market data**
- **Units sold / yr**
- **6K–8K**
- avg 250–500/product
- **Revenue / yr**
- **£67K–£89K**
- units × avg price
- **Conversion rate**
- **13.0%**
- **Avg BSR**
- **#40**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **87%**
- **Out of stock**
- **3.4%**
- **Avg brand age**
- **72 months**
- **Avg seller age**
- **168 days**
## **Competition & brand share**
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**4 **▼falling
**Sellers**
**136**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**75%**
Top 20: 100%
**Open market**
**0%**
- Sevenseas81% - SEVEN SEAS16% - Zipvit2% - Nu U Nutrition2% - Open — no brand owns it (0%)
## **Demand**
Weekly Amazon search volume, last 21 weeks — +88.6% search growth over the last 90 days.
3K2KSpike '26Mar '26Mar '26Apr '26May '26May '26Jun '26Jul '26
[**Open Trend **](https://flapen.com/research/uk/health-personal-care/omega-3-vitamin-d/trend)
## **Top omega 3 vitamin d search terms**
- **seven seas omega 3**38K/yr+221.6%10.3% conv. - **seven seas omega 3 max strength**8K/yr+9.0%10.9% conv. - **omega 3 seven seas**7K/yr+11.8%11.3% conv. - **omega 3 vitamin d**6K/yr-28.6%4.3% conv. - **omega 3 and vitamin d**4K/yr-16.8%4.9% conv. - **omega 3 max strength**3K/yr-41.2%9.6% conv. - **seven seas max strength omega 3**2K/yr-23.1%10.7% conv. [**All search terms **](https://flapen.com/research/uk/health-personal-care/omega-3-vitamin-d/search-terms)
## **Top omega 3 vitamin d 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%£10K20%£19K30%£29K40%£39K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 15 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Seven Seas Omega-3 Fish Oil Extra Strength Omega 3 plus Vitamin D For Whole Body Healthplus 30 One-A-Day Capsules 1 Month Supply**Sevenseas**£5.76**4.7★791 rev](https://www.amazon.co.uk/dp/B099P16RK5) [2**Seven Seas Omega-3 Fish Oil Max Strength with Omega 3 and Vitamin D for Brain and Body 30 Capsules**Sevenseas**£9.72**4.6★1,813 rev](https://www.amazon.co.uk/dp/B099NYMB38) [3**Seven Seas Omega-3 Fish Oil Max Strength 60 Capsules 2 Months Supply (2 X 30 Days Twin Pack) with Educational Leaflet**SEVEN SEAS**£24.86**4.4★30 rev](https://www.amazon.co.uk/dp/B0GXWNLZJK) [4**Seven Seas Cod Liver Oil One-A-Day Omega-3 Fish Oil and Vitamin D 120 Capsules 4 Months Supply**Sevenseas**£7.41**4.7★7,936 rev](https://www.amazon.co.uk/dp/B008DZNOA2) [5**Seven Seas Omega-3 Fish Oil Extra Strength with VIT D 60 Capsules 2 Months Supply (2 x 30 Days Twin Pack) with Educational Leaflet**Sevenseas**£19.43**4.8★35 rev](https://www.amazon.co.uk/dp/B0GXWM3GDX)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Seven Seas Omega-3 Fish Oil Max Strength 60 Capsules 2 Months Supply (2 X 30 Days Twin Pack) with Educational Leaflet**SEVEN SEAS**£24.86**30 rev3mo ago](https://www.amazon.co.uk/dp/B0GXWNLZJK) [**Seven Seas Omega-3 Fish Oil Extra Strength with VIT D 60 Capsules 2 Months Supply (2 x 30 Days Twin Pack) with Educational Leaflet**Sevenseas**£19.43**35 rev3mo ago](https://www.amazon.co.uk/dp/B0GXWM3GDX) [**Seven Seas Omega-3 Fish Oil High Strength Plus Cod Liver Oil & Vitamin D 120 Capsules 4 Months Supply**SEVEN SEAS**£8.93**66 rev9mo ago](https://www.amazon.co.uk/dp/B0FXMSZD1L) [**Seven Seas JointCare Plus Turmeric with Omega-3 Glucosamine Chondroitin Vitamins C and D Manganese and Zinc Food Supplements 30-Day Pack**Sevenseas**£10.72**1,838 rev2y ago](https://www.amazon.co.uk/dp/B0D796FB8M) [**Seven Seas JointCare Essential with Omega-3 Glucosamine Chondroitin Vitamins C and D Manganese and Zinc Food Supplements 60-Day Pack**Sevenseas**£10.11**847 rev2y ago](https://www.amazon.co.uk/dp/B0D797RR8L)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Seven Seas Omega-3 Fish Oil Extra Strength with VIT D 60 Capsules 2 Months Supply (2 x 30 Days Twin Pack) with Educational Leaflet**Sevenseas**£19.43**4.8★**▲ 103%**](https://www.amazon.co.uk/dp/B0GXWM3GDX) [**Seven Seas Omega-3 Fish Oil Max Strength 60 Capsules 2 Months Supply (2 X 30 Days Twin Pack) with Educational Leaflet**SEVEN SEAS**£24.86**4.4★**▲ 103%**](https://www.amazon.co.uk/dp/B0GXWNLZJK) [**Seven Seas JointCare Plus Collagen with Omega-3 Glucosamine Chondroitin Vitamins C and D Manganese and Zinc Food Supplements 30-Day Pack**Sevenseas**£10.01**4.5★**▲ 94%**](https://www.amazon.co.uk/dp/B0D799F85V) [**Seven Seas JointCare Essential With Omega-3 Glucosamine Chondroitin Vitamins C and D Manganese and Zinc Food Supplements 30-Day Pack**SEVEN SEAS**£5.66**4.5★**▲ 78%**](https://www.amazon.co.uk/dp/B0D7988975) [**Seven Seas Cod Liver Oil One-A-Day Omega-3 Fish Oil and Vitamin D 60 Capsules 2 Months Supply**SEVEN SEAS**£5.01**4.7★**▲ 18%**](https://www.amazon.co.uk/dp/B0021L95GQ)
**~~View all trending →~~**
## **What buyers say about omega 3 vitamin d**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**20%
*“Good value for the money”*
**Quality-Overall**20%
*“consistent in quality”*
**Joint Pain**10%
*“Helping with joint pain”*
**Vitamin**7%
*“Lovely vitamins”*
**Ease Of Chewing/Swallowing**6%
*“Easy to swallow”*
**Advertised Vs Actual Product**6%
*“Works as it should”*
**Taste-Overall**4%
*“with no unpleasant aftertaste”*
**Ease Of Use**3%
*“Ease of use”*
**Nutritional Content**2%
*“Good dietary supplement”*
**Dosage**2%
*“The main appeal is that you get a high dose in just one capsule per day”*
### **What buyers complain about **
**Taste-Overall**10%
*“The aftertaste is awful”*
**Size-Overall**8%
*“The capsules are very large”*
**Value For Money**5%
*“and expensive”*
**Ease Of Chewing/Swallowing**5%
*“Capsules are a bit large to swallow”*
**Smell**5%
*“The container smells, as usual,”*
**Dosage**4%
*“Its only 25% of the daily amount you need so not good value and not adequate”*
**Quality-Overall**3%
*“Bad quality tablets”*
**Vitamin**3%
*“Now I have to go through the next few months with a badly sealed container for my vitamin which could spoil before its time”*
**Ease Of Use**2%
*“it seems very difficult to do so - very unlike Amazon”*
**Ingredients-Overall**2%
*“Ingredients have changed”*
## **Common questions**
- **Is omega 3 vitamin d profitable to sell on Amazon United Kingdom?**
- The niche generates £97K/yr across 15 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is +88.6%. Flapen's verdict: Skip it (48/100).
- **How competitive is the omega 3 vitamin d niche?**
- 4 brands and 136 sellers compete. The top 5 products take 75% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in omega 3 vitamin d?**
- Top complaints mined from reviews: Taste-Overall, Size-Overall, Value For Money. The return rate is 0.1%.
- **What does it cost to enter the omega 3 vitamin d niche?**
- Listings span £5.01–£24.86; the average listing price is £11.16 (sweet spot $15–$100). The average incumbent carries 2,859 reviews — the moat a new listing must climb.
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