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Dha

Dha shows low returns (0.1%), but soft demand (-29.1% this quarter) keeps it on the watch list.

Flapen Score

50
Worth a look
Market size 20Growth 10Conversion 72Competition 66Returns 100Price range 83Avg price 91Brand share 38Review moat 25Quality gap 47
This niche Category average

Is Dha profitable on Amazon?

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.

Dha: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved -29.1% over the last 90 days and 6.7% of searches end in a purchase.

£79K

revenue / yr

Units sold / yr3K
Search volume / yr-29.1%55K
Conversion rate6.7%
Avg price£21.50

Who owns the niche?

The top 5 brands hold 82% of demand, so 18% of the market is open.

18%

open market share

Brands · sellers15 · 63
Top-5 product click share45%
Open market18%
Avg brand age64 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 32 products

Sponsored placement94%
New entrants (1y)2· 1 succeeded
Avg rating4.5★
Avg reviews4,589

Top Dha products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.

£0£4K£8K£12K£16K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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%)

Dha demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume55KCVR6.7%Products32Brands15Top 5 Brands82%OOS Rate2.3%Rating4.5★Reviews4,589Avg BSR#304
2K2KSpike '25Black Friday '25Spike '26Sep '25Oct '25Dec '25Feb '26Mar '26May '26Jun '26

Top Dha search terms shoppers use

The exact queries shoppers type, with yearly volume, growth and conversion.

  • dha31K/yr
  • zita west10K/yr
  • dha supplements9K/yr
  • zita west pregnancy vitamins3K/yr
  • dha supplement2K/yr

What reviews say buyers love and hate about Dha

What buyers mention most, as a share of all reviews.

What buyers love

74% of reviews
Quality-Overall24%

good quality capsules

Value For Money14%

Good value for money

Ease Of Chewing/Swallowing7%

The capsules are easy to take and

Vitamin6%

Lovely vitamins

Advertised Vs Actual Product6%

As described

What buyers complain about

53% of reviews
Taste-Overall14%

The aftertaste is awful

Smell8%

Fishy odor

Dosage7%

this is not the case its 2000 mg per serving

Size-Overall7%

They are huge

Advertised Vs Actual Product5%

Description deceiving

Dha return rate & reasons

Why buyers send it back, as a share of all return requests.

0.1%

Return rate

11%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Smell
33%
2Heart Health
17%
3Size-Overall
11%
4Certifications
11%
5Vegan/Organic
11%

Common Dha questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Dha 50/100 on Amazon United Kingdom — Worth a look. The niche generates £79K/yr across 32 tracked products. 1 of 2 products launched in the last 360 days are still selling. Search demand moved -29.1% over the last 90 days.
Dha buyers on Amazon United Kingdom complain most about Taste-Overall, Smell, Dosage, the themes mined from the niche's reviews. Its return rate is 0.1%.