---
title: "D-mannose 500mg Capsules — $528K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/d-mannose-500mg-capsules"
last_updated: "2026-08-11T08:16:56.008Z"
locale: en
meta:
description: "Niche score 49/100 · $528K/yr market · 84K searches/yr · $26.72 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $528K/yr market · 84K searches/yr · $26.72 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "D-mannose 500mg Capsules — $528K/yr Amazon US Niche (2026) - Flapen"
---
# **d-mannose 500mg capsules**
**Skip it**
A concentrated shelf (top 5 take 84% of clicks) — this niche doesn't clear our bar today.
Market size 61Growth 26Conversion 100Competition 13Returns 100Price range 86Avg price 95Brand share 16Review moat 25Quality gap 16
**Conversion**
**Incredible****23.4%**
search→purchase rate — share of searches ending in a sale
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$26.72**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$8.37–$69.07**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Market size**
**Good****$528K**
$528K/yr · 84K searches
**Growth**
**Okay****+0.9%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****4,442.5**
avg incumbent reviews — the moat a new listing must climb
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
**Quality gap**
**Bad****4.8★**
avg incumbent rating — lower means beatable quality
**Competition**
**Bad****84%**
top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, d-mannose 500mg capsules is a $528K/yr Amazon United States market (84K searches/yr). The top 5 brands hold 94% of demand. Verdict: Skip it — 49/100.
Data updated Jul 12, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **d-mannose 500mg capsules market data**
- **Units sold / yr**
- **15K–20K**
- avg 1,500–2,000/product
- **Revenue / yr**
- **$401K–$534K**
- units × avg price
- **Conversion rate**
- **23.4%**
- **Avg BSR**
- **#68**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **70%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **78 months**
- **Avg seller age**
- **160 days**
## **Competition & brand share**
The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**7 **▲rising
**Sellers**
**548**
**Top-5 brand share**
**94%**
Top 20: 100%
**Top-5 click share**
**84%**
Top 20: 100%
**Open market**
**3%**
- NOW Foods67% - Zazzee11% - AZO8% - Nutricost4% - Spring Valley3% - Double Wood Supplements3% - Open — no brand owns it (1 brand, 3%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +0.9% search growth over the last 90 days.
3K2KHoliday '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/health-household/d-mannose-500mg-capsules/trend)
## **Top d-mannose 500mg capsules search terms**
- **d-mannose 500mg capsules**70K/yr-1.5%17.8% conv. - **dmannose 500 mg**9K/yr+46.0%17.3% conv. - **d mannose 500 mg capsules**6K/yr-44.6%10.3% conv. [**All search terms **](https://flapen.com/research/us/health-household/d-mannose-500mg-capsules/search-terms)
## **Top d-mannose 500mg capsules 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.
0%10%$53K20%$106K30%$158K40%$211K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 10 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**NOW Foods Supplements D-Mannose 500 mg Non-GMO Project Verified Healthy Urinary Tract* 120 Veg Capsules**NOW Foods**$16.15**4.7★16,479 rev](https://www.amazon.com/dp/B000JN4CR0) [2**Now D-Mannose 500 mg 300 Capsules - Vegan Non GMO Supplement for Women and Men - Supports Healthy Urinary Tract Cleanses the Bladder**NOW Foods**$36.16**4.8★4,459 rev](https://www.amazon.com/dp/B07SVJJ7V4) [3**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**$24.90**4.8★7,918 rev](https://www.amazon.com/dp/B01JZN35MM) [4**AZO D Mannose Urinary Tract Health Cleanse Flush & Protect The Urinary Tract No.1 Pharmacist Recommended Brand Clinical Strength Non-GMO 120 Count**AZO**$26.06**4.7★6,181 rev](https://www.amazon.com/dp/B08S39XVGC) [5**NOW Foods Supplements D-Mannose 500 mg Non-GMO Project Verified Healthy Urinary Tract* 240 Veg Capsules**NOW Foods**$25.29**4.8★1,415 rev](https://www.amazon.com/dp/B0768FVKFJ)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**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**$8.37**337 rev2y ago](https://www.amazon.com/dp/B0CPYR8LDV) [**DEAL SUPPLEMENT D Mannose 500mg Capsules (2 000mg Per Serving) 240 Veggie Pills Fast Acting Water-Soluble Form Extra Strength Urinary Tract (UTI) Health Support Non-GMO Vegan Friendly**DEAL SUPPLEMENT**$21.06**703 rev3y ago](https://www.amazon.com/dp/B0C2SSC3XZ) [**AZO D Mannose Urinary Tract Health Cleanse Flush & Protect The Urinary Tract No.1 Pharmacist Recommended Brand Clinical Strength Non-GMO 120 Count**AZO**$26.06**6,181 rev5y ago](https://www.amazon.com/dp/B08S39XVGC) [**Now D-Mannose 500 mg 300 Capsules (Pack of 2) - Vegan Non GMO Supplement for Women and Men - Supports Healthy Urinary Tract Cleanses the Bladder**NOW Foods**$69.07**4,459 rev6y ago](https://www.amazon.com/dp/B086Z7H2N1) [**Now D-Mannose 500 mg 300 Capsules - Vegan Non GMO Supplement for Women and Men - Supports Healthy Urinary Tract Cleanses the Bladder**NOW Foods**$36.16**4,459 rev7y ago](https://www.amazon.com/dp/B07SVJJ7V4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Spring Valley D-Mannose 500 mg Urinary Tract Bladder Health 120 Capsules**Spring Valley**$25.42**4.8★**▲ 152%**](https://www.amazon.com/dp/B07WCHRT9F) [**DEAL SUPPLEMENT D Mannose 500mg Capsules (2 000mg Per Serving) 240 Veggie Pills Fast Acting Water-Soluble Form Extra Strength Urinary Tract (UTI) Health Support Non-GMO Vegan Friendly**DEAL SUPPLEMENT**$21.06**4.7★**▲ 28%**](https://www.amazon.com/dp/B0C2SSC3XZ) [**AZO D Mannose Urinary Tract Health Cleanse Flush & Protect The Urinary Tract No.1 Pharmacist Recommended Brand Clinical Strength Non-GMO 120 Count**AZO**$26.06**4.7★**▲ 20%**](https://www.amazon.com/dp/B08S39XVGC) [**NOW Foods Supplements D-Mannose 500 mg Non-GMO Project Verified Healthy Urinary Tract* 120 Veg Capsules**NOW Foods**$16.15**4.7★**— 4%**](https://www.amazon.com/dp/B000JN4CR0) [**Nutricost D-Mannose 1000mg Per Serving 120 Capsules - 500mg Per Capsule Urinary Tract Health Non-GMO and Gluten Free**Nutricost**$14.73**4.7★**— 2%**](https://www.amazon.com/dp/B076R2HX2V)
**~~View all trending →~~**
## **What buyers say about d-mannose 500mg capsules**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**18%
*“Excellent product”*
**Efficiency**13%
*“EFFECTIVE”*
**Urinary Bladder Health**10%
*“Its really helped with UTI control”*
**Value For Money**8%
*“are affordable”*
**Advertised Vs Actual Product**7%
*“As advertised”*
**Regulates Digestion**5%
*“Perfect sise and no reflux”*
**Fever Relief**5%
*“Has helped control UTIs”*
**Dosage**4%
*“Daily dose & staying healthy”*
**Vitamin**3%
*“The vitamins arrived right on time”*
**Joint Pain**3%
*“I like how effective it was in clearing up my urinary discomfort in about a week”*
### **What buyers complain about **
**Functionality-Overall**13%
*“Didnt work”*
**Dosage**11%
*“The 1000 mg is too strong for my dosage”*
**Size-Overall**10%
*“the capsule is SOO big”*
**Side Effects**5%
*“Which is unfortunate because it can have really great effects”*
**Taste-Overall**4%
*“Has a grassy after taste”*
**Heart Health**4%
*“my heart started racing very bad it was scary”*
**Regulates Digestion**3%
*“It feels like my urine is acid eating away at my bladder from the inside”*
**Pain Relief-Overall**3%
*“which was very painful”*
**Value For Money**2%
*“Too costly though”*
**Strength**2%
*“Not potent”*
### **Top return reasons **
**Functionality-Overall**67%
**Blood Sugar Level**33%
## **Common questions**
- **Is d-mannose 500mg capsules profitable to sell on Amazon United States?**
- The niche generates $528K/yr across 10 tracked products. 90-day search growth is +0.9%. Flapen's verdict: Skip it (49/100).
- **How competitive is the d-mannose 500mg capsules niche?**
- 7 brands and 548 sellers compete. The top 5 products take 84% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in d-mannose 500mg capsules?**
- Top complaints mined from reviews: Functionality-Overall, Dosage, Size-Overall. The return rate is 0.0%.
- **When does demand for d-mannose 500mg capsules peak?**
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- **What does it cost to enter the d-mannose 500mg capsules niche?**
- Listings span $8.37–$69.07; the average listing price is $26.72 (sweet spot $15–$100). The average incumbent carries 4,443 reviews — the moat a new listing must climb.
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