Is d mannose powder profitable to sell on Amazon United Kingdom?

The niche generates £90K/yr across 8 tracked products. 90-day search growth is -22.4%. Flapen's verdict: Skip it (43/100).

How competitive is the d mannose powder niche?

7 brands and 10 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 95% of demand.

What do buyers complain about in d mannose powder?

Top complaints mined from reviews: Value For Money, Functionality-Overall, Dilute/Watery. The return rate is 0.1%.

When does demand for d mannose powder peak?

Demand is steady year-round — the busiest month runs 1.5× the quietest.

What does it cost to enter the d mannose powder niche?

Listings span £8.35–£28.17; the average listing price is £17.22 (sweet spot $15–$100). The average incumbent carries 426 reviews — the moat a new listing must climb.

d mannose powder

Skip it

A concentrated shelf (top 5 take 90% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.1%

return rate — above 5% kills the launch gate

Conversion

Incredible15.5%

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

Avg price

Great£17.22

avg listing price — sweet spot $15–$100

Review moat

Great426.25

avg incumbent reviews — the moat a new listing must climb

Price range

Good£8.35–£28.17

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Market size

Bad£90K

£90K/yr · 34K searches

Growth

Bad-22.4%

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

Brand share

Bad95%

top-5 brand share — brand-locked demand

Competition

Bad90%

top-5 click share — a locked-up shelf

Signals Low Review Barrier

According to Flapen's Amazon United Kingdom niche tracking, d mannose powder is a £90K/yr Amazon United Kingdom market (34K searches/yr). The top 5 brands hold 95% of demand. Verdict: Skip it — 43/100.

Data updated Jul 24, 2026 · scored weekly · How we score niches

d mannose powder market data

Units sold / yr: 4K–5K; avg 250–500/product
Revenue / yr: £69K–£86K; units × avg price
Conversion rate: 15.5%
Avg BSR: #218
Page quality: 0%
Prime: 100%
Sponsored: 75%
Out of stock: 7.7%
Avg brand age: 61 months
Avg seller age: 182 days

Competition & brand share

The top 5 products capture 90% of clicks — a locked-up shelf that new listings rarely crack.

Brands

7 falling

Sellers

Top-5 brand share

95%

Top 20: 100%

Top-5 click share

90%

Top 20: 100%

Open market

Horbäach41%
YourSupplements24%
sc nutra16%
naturesupplies7%
Vegavero7%
Hybrid Health3%
Open — no brand owns it (1 brand, 2%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -22.4% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.5×

Open Trend

Top d mannose powder search terms

d mannose powder23K/yr -24.5%12.2% conv.
d-mannose powder6K/yr -22.4%11.8% conv.
dmannose powder4K/yr -11.2%12.8% conv.

All search terms

Top d mannose powder 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 8 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Horbäach£8.354.7★91 rev

Your Supplements - D Mannose Pure Powder 50g | Natural & Non GMO | Vegetarian & Vegan Friendly | Scoop Included

YourSupplements£10.634.6★797 rev

Waterfall D-Mannose Powder - 100% Pure D-Mannose Powder Naturally Sourced from Birch - Not a Blend - Free from Bulking Agent Fillers & Cranberry - SC Nutra (Sweet Cures)

sc nutra£19.044.4★386 rev

D Mannose Powder 150 g Pack - Pure D-Mannose for Natural Support - (NOT D Mannose Capsules or Tablets) GMO Free Vegan Friendly No Chemicals - High Strength Dmannose Supplement by Naturesupplies

naturesupplies£20.564.3★360 rev

Vegavero£24.234.5★856 rev

Newest

by launch date

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 Powder 150 g Pack - Pure D-Mannose for Natural Support - (NOT D Mannose Capsules or Tablets) GMO Free Vegan Friendly No Chemicals - High Strength Dmannose Supplement by Naturesupplies

naturesupplies£20.56360 rev

4y ago

Horbäach£8.3591 rev

4y ago

Golden Greens D-Mannose Complex with Organic Cranberry 30 Servings 1 Count

Golden Greens£17.9873 rev

6y ago

Your Supplements - D Mannose Pure Powder 50g | Natural & Non GMO | Vegetarian & Vegan Friendly | Scoop Included

YourSupplements£10.63797 rev

9y ago

What buyers say about d mannose powder

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

What buyers love

Value For Money18%

“Value for money”

Efficiency14%

“it works well”

Solubility10%

“Dissolvable”

Menstrual Issues7%

“Really works for long term uti suffering”

Ease Of Chewing/Swallowing7%

“Easy to swallow”

Advertised Vs Actual Product7%

“Just as it says”

Fever Relief7%

“Is an excellent product for preventing UTI its highly recommended”

Urinary Bladder Health7%

“Very good product for UTIs”

Taste-Overall4%

“has a very mild taste”

Size-Overall4%

“Good product fit for my purpose”

What buyers complain about

Value For Money26%

“The price may seem expensive”

Functionality-Overall14%

“Didn't work for me”

Dilute/Watery14%

“When I opened one of the capsules to take it in some water its full of rice flour that made it all milky”

Taste-Overall14%

“no taste at all”

Sweetness7%

“No if any slightly sweet taste”

Top return reasons

Joint Pain100%

Common questions

Is d mannose powder profitable to sell on Amazon United Kingdom?: The niche generates £90K/yr across 8 tracked products. 90-day search growth is -22.4%. Flapen's verdict: Skip it (43/100).
How competitive is the d mannose powder niche?: 7 brands and 10 sellers compete. The top 5 products take 90% of clicks and top 5 brands hold 95% of demand.
What do buyers complain about in d mannose powder?: Top complaints mined from reviews: Value For Money, Functionality-Overall, Dilute/Watery. The return rate is 0.1%.
When does demand for d mannose powder peak?: Demand is steady year-round — the busiest month runs 1.5× the quietest.
What does it cost to enter the d mannose powder niche?: Listings span £8.35–£28.17; the average listing price is £17.22 (sweet spot $15–$100). The average incumbent carries 426 reviews — the moat a new listing must climb.