Is d mannose profitable to sell on Amazon United States?

The niche generates $7.1M/yr across 23 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -5.7%. Flapen's verdict: Worth a look (60/100).

How competitive is the d mannose niche?

17 brands and 573 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 74% of demand.

What do buyers complain about in d mannose?

Top complaints mined from reviews: Dosage, Size-Overall, Functionality-Overall. The return rate is 0.0%.

When does demand for d mannose peak?

Demand is steady year-round — the busiest month runs 1.2× the quietest.

What does it cost to enter the d mannose niche?

Listings span $8.37–$57.29; the average listing price is $21.14 (sweet spot $15–$100). The average incumbent carries 3,576 reviews — the moat a new listing must climb.

d mannose

Worth a look

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Market size

Incredible$7.1M

$7.1M/yr · 2.1M searches

Conversion

Incredible15.9%

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

Avg price

Great$21.14

avg listing price — sweet spot $15–$100

Price range

Great$8.37–$57.29

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

Brand share

Good74%

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

Competition

Okay64%

top-5 click share — leaders hold, buyers still browse

Review moat

Okay3,576.3

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-5.7%

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

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

According to Flapen's Amazon United States niche tracking, d mannose is a $7.1M/yr Amazon United States market (2.1M searches/yr). The top 5 brands hold 74% of demand. Verdict: Worth a look — 60/100.

Data updated Jul 12, 2026 · scored weekly · How we score niches

d mannose market data

Units sold / yr: 300K–400K; avg 10,000–12,500/product
Revenue / yr: $6.3M–$8.5M; units × avg price
Conversion rate: 15.9%
Avg BSR: #80
Page quality: 0%
Prime: 100%
Sponsored: 87%
Out of stock: 0.0%
Avg brand age: 71 months
Avg seller age: 151 days

Competition & brand share

The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 flat

Sellers

573

Top-5 brand share

74%

Top 20: 100%

Top-5 click share

64%

Top 20: 96%

Open market

21%

NOW Foods28%
Zazzee17%
NaturaLife Labs12%
AZO11%
NUTRAHARMONY6%
Nutricost5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -5.7% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.2×

Open Trend

Top d mannose search terms

d mannose673K/yr -6.4%13.3% conv.
d mannose supplements for women343K/yr -17.0%13.3% conv.
d-mannose309K/yr -8.8%12.9% conv.
dmannose pills162K/yr -25.1%14.6% conv.
dmannose105K/yr +30.1%11.3% conv.
d mannose with cranberry103K/yr +13.7%8.6% conv.
dmannose 1500mg with cranberry65K/yr +10.3%10.8% conv.
d-mannose 500mg capsules70K/yr -1.5%16.9% conv.
d-mannose 1300 with cranberry52K/yr +15.9%14.5% conv.
d-mannose 1000mg capsules55K/yr -7.7%15.2% 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 23 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

NOW Foods Supplements D-Mannose 500 mg Non-GMO Project Verified Healthy Urinary Tract* 120 Veg Capsules

NOW Foods$16.154.7★16,479 rev

Zazzee D-Mannose 1000 mg per Serving 180 Vegan Capsules 3 Month Supply Potent & Fast-Acting Certified Kosher 100% Pure All-Natural Urinary Tract Health Support 100% Vegetarian Non-GMO

Zazzee$24.904.8★7,918 rev

NaturaLife Labs Organic D-Mannose 1300mg + Organic Cranberry Extract 100mg per Serving Urinary Tract Support Non-GMO Gluten-Free & Vegan 100 Capsules

NaturaLife Labs$17.424.7★16,605 rev

AZO D Mannose Urinary Tract Health Cleanse Flush & Protect The Urinary Tract No.1 Pharmacist Recommended Brand Clinical Strength Non-GMO 120 Count

AZO$26.064.7★6,181 rev

D-Mannose 2000mg with Cranberry & Hibiscus - Clinically Tested Strength for Urinary Tract Health - Supplement for Women - Bladder Liver & Microflora Support - Lab Tested - Vegan 120 Capsules

NUTRAHARMONY$21.054.7★2,234 rev

Newest

by launch date

Zazzee USDA Organic D-Mannose 1000 mg Per Serving 120 Vegan Capsules 2 Month Supply Non-GMO Urinary Tract & Bladder Support Potent & Fast-Acting Lab Tested for Quality & Purity Made in USA

Zazzee$19.8659 rev

10mo ago

Micro Ingredients D Mannose 1 300mg Per Serving with Cranberry | 240 Veggie Capsules + Fat-Soluble Vitamin C & 1 Million CFU Probiotics Blend | Daily D Mannose Formula for Women | Filler Free Non-GMO

Micro Ingredients$20.12529 rev

1y ago

D Mannose 500mg - 99.9% Purity Tested - for Urinary Tract Health and Bladder Lining Helps UTI Prevention Vegan Safe Non-GMO Gluten Free 90 Capsules by Double Wood

Double Wood Supplements$8.37337 rev

2y ago

D-Mannose 2000mg with Cranberry & Hibiscus - Clinically Tested Strength for Urinary Tract Health - Supplement for Women - Bladder Liver & Microflora Support - Lab Tested - Vegan 120 Capsules

NUTRAHARMONY$21.052,234 rev

2y ago

Now Foods Supplements D-Mannose 500 mg Non-GMO Project Verified Healthy Urinary Tract* 60 Veg Capsules

NOW Foods$9.90277 rev

3y ago

What buyers say about d mannose

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

What buyers love

Quality-Overall17%

“There quality is always consistent”

Efficiency14%

“Works well”

Urinary Bladder Health8%

“bladder working good”

Value For Money7%

“Best price”

Advertised Vs Actual Product5%

“As advertised”

Regulates Digestion5%

“they havent caused me any stomach or digestive issues”

Fever Relief5%

“Very helpful to ward off UTIs”

Dosage3%

“Perfect dosage”

Vitamin3%

“The vitamins arrived right on time”

Ease Of Chewing/Swallowing2%

“I have no problem swallowing them”

What buyers complain about

Dosage10%

“The 1000 mg is too strong for my dosage”

Size-Overall8%

“The capsules are very large”

Functionality-Overall7%

“Didnt work”

Side Effects4%

“so subtle effects can be difficult to isolate”

Ease Of Chewing/Swallowing4%

“She usually has issues swallowing big pills”

Taste-Overall4%

“the smell or taste is irrelevant”

Allergies3%

“This made me so sick”

Regulates Digestion3%

“***Not for sensitive stomachs***”

Pain Relief-Overall3%

“no amount of Tums or Pepto-Bismol will even touch the amount of pain that I am in”

Value For Money3%

“Waste of money”

Top return reasons

Magnesium29%

Blood Sugar Level29%

Functionality-Overall29%

Advertised Vs Actual Product14%

Common questions

Is d mannose profitable to sell on Amazon United States?: The niche generates $7.1M/yr across 23 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is -5.7%. Flapen's verdict: Worth a look (60/100).
How competitive is the d mannose niche?: 17 brands and 573 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 74% of demand.
What do buyers complain about in d mannose?: Top complaints mined from reviews: Dosage, Size-Overall, Functionality-Overall. The return rate is 0.0%.
When does demand for d mannose peak?: Demand is steady year-round — the busiest month runs 1.2× the quietest.
What does it cost to enter the d mannose niche?: Listings span $8.37–$57.29; the average listing price is $21.14 (sweet spot $15–$100). The average incumbent carries 3,576 reviews — the moat a new listing must climb.