dha
Worth a lookShows low returns (0.1%), but soft demand (-29.1% this quarter) keeps it on the watch list.
Returns
Incredible0.1%return rate — above 5% kills the launch gate
Avg price
Great£21.50avg listing price — sweet spot $15–$100
Price range
Great£4.84–£74.04cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Good6.7%search→purchase rate — share of searches ending in a sale
Competition
Good45%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay82%top-5 brand share — brands hold most of the demand
Review moat
Bad4,589.16avg incumbent reviews — the moat a new listing must climb
Market size
Bad£79K£79K/yr · 55K searches
Growth
Bad-29.1%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, dha is a £79K/yr Amazon United Kingdom market (55K searches/yr). The top 5 brands hold 82% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
dha market data
- Units sold / yr
- 3K–3K
- avg 0–100/product
- Revenue / yr
- £54K–£65K
- units × avg price
- Conversion rate
- 6.7%
- Avg BSR
- #304
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 94%
- Out of stock
- 2.3%
- Avg brand age
- 64 months
- Avg seller age
- 164 days
Competition & brand share
The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.Brands
15 rising
Sellers
63
Top-5 brand share
82%
Top 20: 100%
Top-5 click share
45%
Top 20: 86%
Open market
14%
- Zita West52%
- Zipvit11%
- MAV NUTRITION10%
- Nordic Naturals5%
- Natures Aid4%
- NOW4%
- Open — no brand owns it (9 brands, 14%)
Demand
Weekly Amazon search volume, last 46 weeks — -29.1% search growth over the last 90 days.Top dha search terms
- dha31K/yr
- zita west10K/yr
- dha supplements9K/yr
- zita west pregnancy vitamins3K/yr
- dha supplement2K/yr
Top dha 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Zita West Vital DHA with Omega 3 for Fertility Pregnancy and Breastfeeding | (60 Capsules 1 Month Supply)
Zita West£18.064.5★685 rev

Zipvit Omega 3 Fish Oil 2000mg EPA 660mg DHA 440mg Wild-Caught Cold Water Fish Supports Heart Brain & Vision 120 Softgels 2 Months Supply
Zipvit£8.144.6★20,714 rev

Zita West Vitafem Premium Fertility Supplement for Women - Prenatal Vitamins with Folate for Preconception Support - 60 Capsules (1 Month Supply)
Zita West£26.454.5★231 rev

Zita West Pregnancy Plan Conception Vitamins - Preconception Pregnancy & Breastfeeding Multivitamin - including Folate - 30 Tablets (1 Month Supply)
Zita West£12.364.4★102 rev

Zita West Kaneka Ubiquinol 200mg (from 2 Capsules) - Premium CoQ10 Supplement for Fertility Energy & Overall Health - 60 Capsules (1 Month Supply)
Zita West£41.144.4★44 rev
Newest
by launch date
DHA Ultra 1 010MG | Prenatal Development Brain & Cognitive Health Support | Omega 3 Fish Oil | 1 414MG Total Omega-3s | High Strength DHA Supplements | Sustainably Sourced Gluten-Free | 60 Ct.
MAV NUTRITION£8.57134 rev

Vegan Omega 3 Algae Oil | Plant Based DHA EPA | Sustainably Sourced No Carrageenan Non GMO | Heart Brain and Eye Health | Fish Oil Alternative | Algae Omega 3 Supplement | 60 Softgel Capsules
MAV NUTRITION£11.601,773 rev

Now Foods Double Strength DHA-500 Omega-3 from Fatty Acids High Dose 90 Softgels Soy Free Gluten Free Non-GMO
NOW£26.43182 rev

Nordic Naturals DHA 830mg Omega 3 Capsules High Strength Omega 3 Fish Oil with EPA and DHA Strawberry Flavour 90 Softgels Lab-Tested Soy-Free Gluten-Free
Nordic Naturals£24.8146 rev

Nordic Naturals DHA Xtra 1660mg Omega 3 Capsules High Strength Fish Oil with EPA and DHA Strawberry Flavour 60 Softgels Soy-Free Gluten-Free
Nordic Naturals£31.3269 rev
Trending
90-day click momentum
Triple Strength Omega 3 Fish Oil 3600 mg | EPA & DHA | Over 2100mg Omega-3 Fatty Acids | 1300mg EPA + 860mg DHA | Best Essential Fatty Acids | Premium Wild Caught & Burpless Fish Oil | 180 Ct
MAV NUTRITION£29.644.5★

Zita West Kaneka Ubiquinol 200mg (from 2 Capsules) - Premium CoQ10 Supplement for Fertility Energy & Overall Health - 120 Capsules (2 Month Supply)
Zita West£74.044.4★

Now Foods Double Strength DHA-500 Omega-3 from Fatty Acids High Dose 90 Softgels Soy Free Gluten Free Non-GMO
NOW£26.434.6★

Vitabiotics Ultra Omega-3 Fish Oils Capsules with DHA EPA Nutritional Supplements for Heart Brain and Eye Vision 60 Count
Vitabiotics Ultra£4.844.6★

Nordic Naturals DHA 830mg Omega 3 Capsules High Strength Omega 3 Fish Oil with EPA and DHA Strawberry Flavour 90 Softgels Lab-Tested Soy-Free Gluten-Free
Nordic Naturals£24.814.6★
What buyers say about dha
What buyers praise and complain about, mined from review topics.What buyers love
“good quality capsules”
“Good value for money”
“The capsules are easy to take and”
“Lovely vitamins”
“As described”
“Easy to store”
“with no unpleasant aftertaste”
“Helps joint pain”
“Very good capsules easy to take”
“Good dietary supplement”
What buyers complain about
“The aftertaste is awful”
“Fishy odor”
“this is not the case its 2000 mg per serving”
“They are huge”
“Description deceiving”
“Not worth it”
“Capsules are a bit large to swallow”
“Ingredients have changed”
“Cant comment on effectiveness of the vitamins as only just started using it”
“BEWARE Vegans and vegetarians”
Top return reasons
Common questions
- Is dha profitable to sell on Amazon United Kingdom?
- The niche generates £79K/yr across 32 tracked products. 1 of 2 products launched in the last 360 days are still selling. 90-day search growth is -29.1%. Flapen's verdict: Worth a look (50/100).
- How competitive is the dha niche?
- 15 brands and 63 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 82% of demand.
- What do buyers complain about in dha?
- Top complaints mined from reviews: Taste-Overall, Smell, Dosage. The return rate is 0.1%.
- What does it cost to enter the dha niche?
- Listings span £4.84–£74.04; the average listing price is £21.50 (sweet spot $15–$100). The average incumbent carries 4,589 reviews — the moat a new listing must climb.