Is d mannose profitable to sell on Amazon United Kingdom?

The niche generates £728K/yr across 15 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -13.7%. Flapen's verdict: Worth a look (53/100).

How competitive is the d mannose niche?

14 brands and 18 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 72% of demand.

What do buyers complain about in d mannose?

Top complaints mined from reviews: Dosage, Taste-Overall, Functionality-Overall. The return rate is 0.1%.

When does demand for d mannose peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the d mannose niche?

Listings span £6.64–£23.62; the average listing price is £12.50 (sweet spot $15–$100). The average incumbent carries 773 reviews — the moat a new listing must climb.

d mannose

Worth a look

Shows low returns (0.1%), but soft demand (-13.7% this quarter) keeps it on the watch list.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Incredible16.6%

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

Market size

Good£728K

£728K/yr · 351K searches

Review moat

Good773.2

avg incumbent reviews — the moat a new listing must climb

Brand share

Good72%

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

Avg price

Good£12.50

avg listing price — sweet spot $15–$100

Price range

Good£6.64–£23.62

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad72%

top-5 click share — a locked-up shelf

Growth

Bad-13.7%

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

According to Flapen's Amazon United Kingdom niche tracking, d mannose is a £728K/yr Amazon United Kingdom market (351K searches/yr). The top 5 brands hold 72% of demand. Verdict: Worth a look — 53/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

d mannose market data

Units sold / yr: 50K–60K; avg 2,500–3,000/product
Revenue / yr: £625K–£750K; units × avg price
Conversion rate: 16.6%
Avg BSR: #176
Page quality: 0%
Prime: 100%
Sponsored: 93%
Out of stock: 0.9%
Avg brand age: 57 months
Avg seller age: 183 days

Competition & brand share

The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.

Brands

14 falling

Sellers

Top-5 brand share

72%

Top 20: 100%

Top-5 click share

72%

Top 20: 100%

Open market

23%

WeightWorld33%
Inspiriko19%
RAIBU8%
VitaBright7%
naturesupplies6%
sc nutra5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -13.7% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top d mannose search terms

d mannose132K/yr -14.4%11.7% conv.
d mannose tablets for urinary infections57K/yr -14.9%12.9% conv.
d-mannose45K/yr -4.4%10.2% conv.
dmannose 2000mg tablets for uti18K/yr -14.4%12.3% conv.
dmannose16K/yr -6.0%10.0% conv.
d mannose tablets15K/yr -11.3%10.3% conv.
d-mannose tablets16K/yr -37.7%12.9% conv.
d- mannose7K/yr +0.8%6.5% conv.
d - mannose5K/yr -23.6%5.8% conv.
d mannose capsules6K/yr +0.9%9.7% conv.

All search terms

Top d mannose 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.

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

D-Mannose 2000mg - 180 Capsules - 2 Months Supply - Non-GMO & GMP-Approved

WeightWorld£12.954.5★1,759 rev

D Mannose 1000Mg Tablets Complex - 3-in-1 D-mannose Capsules with High-Strength Cranberry Extract & Vitamin C. 60 Capsules. Made in UK

Inspiriko£8.164.6★859 rev

D Mannose 2100 mg Complex - High Strength D- Mannose with Cranberry & Vitamin C for Urinary Tract & Bladder Health - 160 Capsules Raibu

RAIBU£15.414.7★1,442 rev

VitaBright£12.774.6★453 rev

D Mannose Tablets 1000mg - 50 Pack Dmannose Tablets - (Not D Mannose Capsules or Powder) - Suitable for Vegetarians and Vegans - High Strength D-Mannose Supplement from Naturesupplies

naturesupplies£11.484.5★1,816 rev

Newest

by launch date

D Mannose and Cranberry Capsules 1000mg | UTI & Cystitis Support for Women | 60 D-Mannose Tablets with Cranberry Extract & Vitamin C | Bladder & Urinary Tract Health

NutriSolace£10.5436 rev

4mo ago

D Mannose Capsules 2000mg High Strength UTI Support for Women Urinary & Bladder Support Supplement 120 Vegan Capsules UK Made

HERA VITALITY£12.2553 rev

8mo ago

D-Mannose Capsules | Support Bladder Control & Urinary Tract Infection | d mannose Cystitis Treatment for Women | High Strength 1500 mg

HOMACIA Quality That You love£10.11137 rev

9mo ago

Hybrid Health D Mannose & Cranberry 2 000mg - 2 Months Supply 180 D-Mannose Capsules with High-Strength Cranberry Extract Vegan-Friendly Non-GMO D-mannose Cranberry Dual Formula

Hybrid Health£8.8050 rev

1y ago

D Mannose 2100 mg Complex - High Strength D- Mannose with Cranberry & Vitamin C for Urinary Tract & Bladder Health - 160 Capsules Raibu

RAIBU£15.411,442 rev

2y ago

What buyers say about d mannose

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

What buyers love

Quality-Overall16%

“Its excellent quality - the capsules are easy to take”

Efficiency11%

“Works well”

Value For Money9%

“Good Value”

Ease Of Chewing/Swallowing7%

“Easy to swallow”

Ease Of Use7%

“Practical”

Advertised Vs Actual Product6%

“As described and effectively helpful”

Side Effects6%

“No side effects and fairly easy to swallow”

Fever Relief5%

“Helping UTi’s”

Urinary Bladder Health4%

“Believe it helps with protection from urine infections”

Vitamin3%

“Easy to take supplement”

What buyers complain about

Dosage9%

“Turns out Im an idiot as these also are 1500mg serving size”

Taste-Overall8%

“the taste of these specific capsules is absolutely horrid”

Functionality-Overall6%

“Didn't work for me”

Value For Money5%

“The price is a bit too much for me”

Size-Overall5%

“The capsules themselves are small”

Advertised Vs Actual Product4%

“Turns out Im an idiot as these also are 1500mg serving size, they are 500mg per tablet”

Smell3%

“They smell”

Side Effects3%

“Read a bout some side effects so did not use in the e nd”

Add-Ons/Attachments2%

“Infection not attaching has much”

Accuracy-Overall2%

“It will take time to get the results”

Top return reasons

Instructions/User Manual/Troubleshooting33%

Ingredients-Overall33%

Ease Of Cleaning33%

Common questions

Is d mannose profitable to sell on Amazon United Kingdom?: The niche generates £728K/yr across 15 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is -13.7%. Flapen's verdict: Worth a look (53/100).
How competitive is the d mannose niche?: 14 brands and 18 sellers compete. The top 5 products take 72% of clicks and top 5 brands hold 72% of demand.
What do buyers complain about in d mannose?: Top complaints mined from reviews: Dosage, Taste-Overall, Functionality-Overall. The return rate is 0.1%.
When does demand for d mannose peak?: Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the d mannose niche?: Listings span £6.64–£23.62; the average listing price is £12.50 (sweet spot $15–$100). The average incumbent carries 773 reviews — the moat a new listing must climb.