omega 3 vitamin d
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Conversion
Incredible13.0%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–£24.86cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay£11.16avg listing price — sweet spot $15–$100
Review moat
Okay2,858.6avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Bad£97K£97K/yr · 67K searches
Competition
Bad75%top-5 click share — a locked-up shelf
Brand share
Bad100%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
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.Top omega 3 vitamin d search terms
- seven seas omega 338K/yr
- seven seas omega 3 max strength8K/yr
- omega 3 seven seas7K/yr
- omega 3 vitamin d6K/yr
- omega 3 and vitamin d4K/yr
- omega 3 max strength3K/yr
- seven seas max strength omega 32K/yr
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.
All 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
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£5.764.7★791 rev
Seven Seas Omega-3 Fish Oil Max Strength with Omega 3 and Vitamin D for Brain and Body 30 Capsules
Sevenseas£9.724.6★1,813 rev
Seven Seas Omega-3 Fish Oil Max Strength 60 Capsules 2 Months Supply (2 X 30 Days Twin Pack) with Educational Leaflet
SEVEN SEAS£24.864.4★30 rev
Seven Seas Cod Liver Oil One-A-Day Omega-3 Fish Oil and Vitamin D 120 Capsules 4 Months Supply
Sevenseas£7.414.7★7,936 rev
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£19.434.8★35 rev
Newest
by launch dateSeven Seas Omega-3 Fish Oil Max Strength 60 Capsules 2 Months Supply (2 X 30 Days Twin Pack) with Educational Leaflet
SEVEN SEAS£24.8630 rev
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£19.4335 rev
Seven Seas Omega-3 Fish Oil High Strength Plus Cod Liver Oil & Vitamin D 120 Capsules 4 Months Supply
SEVEN SEAS£8.9366 rev
Seven Seas JointCare Plus Turmeric with Omega-3 Glucosamine Chondroitin Vitamins C and D Manganese and Zinc Food Supplements 30-Day Pack
Sevenseas£10.721,838 rev
Seven Seas JointCare Essential with Omega-3 Glucosamine Chondroitin Vitamins C and D Manganese and Zinc Food Supplements 60-Day Pack
Sevenseas£10.11847 rev
Trending
90-day click momentumSeven 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£19.434.8★
Seven Seas Omega-3 Fish Oil Max Strength 60 Capsules 2 Months Supply (2 X 30 Days Twin Pack) with Educational Leaflet
SEVEN SEAS£24.864.4★
Seven Seas JointCare Plus Collagen with Omega-3 Glucosamine Chondroitin Vitamins C and D Manganese and Zinc Food Supplements 30-Day Pack
Sevenseas£10.014.5★
Seven Seas JointCare Essential With Omega-3 Glucosamine Chondroitin Vitamins C and D Manganese and Zinc Food Supplements 30-Day Pack
SEVEN SEAS£5.664.5★
Seven Seas Cod Liver Oil One-A-Day Omega-3 Fish Oil and Vitamin D 60 Capsules 2 Months Supply
SEVEN SEAS£5.014.7★
What buyers say about omega 3 vitamin d
What buyers praise and complain about, mined from review topics.What buyers love
“Good value for the money”
“consistent in quality”
“Helping with joint pain”
“Lovely vitamins”
“Easy to swallow”
“Works as it should”
“with no unpleasant aftertaste”
“Ease of use”
“Good dietary supplement”
“The main appeal is that you get a high dose in just one capsule per day”
What buyers complain about
“The aftertaste is awful”
“The capsules are very large”
“and expensive”
“Capsules are a bit large to swallow”
“The container smells, as usual,”
“Its only 25% of the daily amount you need so not good value and not adequate”
“Bad quality tablets”
“Now I have to go through the next few months with a badly sealed container for my vitamin which could spoil before its time”
“it seems very difficult to do so - very unlike Amazon”
“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.