---
title: "Niacin 500mg Flush Free — $16K/mo Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/niacin-500mg-flush-free"
last_updated: "2026-08-12T09:40:38.650Z"
locale: en
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description: "Amazon product research for niacin 500mg flush free: $16K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for niacin 500mg flush free: $16K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Niacin 500mg Flush Free — $16K/mo Amazon US Product Research"
---
# **Niacin 500mg Flush Free**
**Worth a look**
Shows low returns (0.0%), but soft demand (+4.5% this quarter) keeps it on the watch list.
Market size 38Growth 31Conversion 95Competition 35Returns 100Price range 82Avg price 86Brand share 44Review moat 35Quality gap 32
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****12.7%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$19.27**
avg listing price — sweet spot $15–$100
**Price range**
**Great****$6.91–$55.82**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****79%**
top-5 brand share — brands hold most of the demand
**Market size**
**Okay****$188K**
$188K/yr · 76K searches
**Competition**
**Okay****64%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****2,994.37**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+4.5%**
90-day search growth — must beat 0% to launch
## **Is niacin 500mg flush free profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, niacin 500mg flush free is a $188K/yr Amazon United States market (76K searches/yr). The top 5 brands hold 79% of demand. Verdict: Worth a look — 53/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **niacin 500mg flush free market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **10K–13K**
- avg 500–750/product
- **Revenue / yr**
- **$193K–$241K**
- units × avg price
- **Conversion rate**
- **12.7%**
- **Avg BSR**
- **#495**
- **Page quality**
- **0%**
- **Prime**
- **95%**
- **Sponsored**
- **63%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **111 months**
- **Avg seller age**
- **166 days**
## **Competition: brands, sellers & click share**
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**14 **▼falling
**Sellers**
**63**
**Top-5 brand share**
**79%**
Top 20: 100%
**Top-5 click share**
**64%**
Top 20: 100%
**Open market**
**17%**
- Nutricost21% - Nature's Bounty20% - NOW Foods17% - Micro Ingredients13% - Life Extension9% - NusaPure4% - Open — no brand owns it (8 brands, 17%)
## **niacin 500mg flush free demand & seasonality**
Weekly Amazon search volume, last 101 weeks — +4.5% search growth over the last 90 days.
2K1KHoliday '24Prime Day '25 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/health-household/niacin-500mg-flush-free/trend)
## **Top niacin 500mg flush free search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **niacin flush free**16K/yr-1.1%12.2% conv. - **niacin 500mg flush free**12K/yr+41.7%6.1% conv. - **flush free niacin**11K/yr-0.6%14.0% conv. - **no flush niacin**9K/yr-4.3%13.9% conv. - **niacin no flush**6K/yr-0.9%11.5% conv. - **flush free niacin 500mg capsules**5K/yr+6.6%14.7% conv. - **niacin flush free 500mg**4K/yr+15.4%14.6% conv. - **no flush niacin 500mg**4K/yr-8.6%18.8% conv. - **non flushing niacin**3K/yr+4.3%14.4% conv. - **inositol hexanicotinate**4K/yr-15.8%4.2% conv. [**All search terms **](https://flapen.com/research/us/health-household/niacin-500mg-flush-free/search-terms)
## **Top niacin 500mg flush free products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%5%$9K10%$19K15%$28K20%$38K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 19 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Natures Bounty Niacin 500mg Flush Free Cellular Energy Support Supports Nervous System Health 120 Capsules**Nature's Bounty**$15.82**4.7★11,937 rev](https://www.amazon.com/dp/B001V9N4KW) [2**Micro Ingredients Niacin 500mg Per Serving 400 Capsules | Flush Free B3 Vitamins | Double Strength Essential B Vitamin Supplement | Skin Care Health & Energy Support | Non-GMO Gluten Free**Micro Ingredients**$14.62**4.6★537 rev](https://www.amazon.com/dp/B0DLLJLMKD) [3**NOW Foods Supplements Niacin (Vitamin B-3) 500 mg Flush-Free Double Strength Nutritional Health 180 Veg Capsules**NOW Foods**$22.74**4.7★3,422 rev](https://www.amazon.com/dp/B0041VJLTK) [4**Nutricost Niacin (Flush-Free) Inositol Hexanicotinate 500mg 120 Capsules**Nutricost**$16.73**4.6★539 rev](https://www.amazon.com/dp/B094863CX4) [5**Life Extension No Flush Niacin B3 for Heart Health Cholesterol & Energy Support Non-GMO Gluten-Free 100 Capsules**Life Extension**$13.89**4.6★1,006 rev](https://www.amazon.com/dp/B000QISSPU)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Dr. Berg Highly-Potent Niacin 500 mg Now Only 125 mg per Capsule for Niacin Flush Tolerance Building Gradually Increase to 500mg a Day Vitamin B3 for Heart Brain & Energy Support 100 Capsules**Dr. Berg Nutritionals**$19.98**294 rev1y ago](https://www.amazon.com/dp/B0F6DJJB7Y) [**Micro Ingredients Niacin 500mg Per Serving 400 Capsules | Flush Free B3 Vitamins | Double Strength Essential B Vitamin Supplement | Skin Care Health & Energy Support | Non-GMO Gluten Free**Micro Ingredients**$14.62**537 rev1y ago](https://www.amazon.com/dp/B0DLLJLMKD) [**Vitamatic Niacin (Vitamin B3) 500mg 240 Tablets - Non-GMO & Gluten Free**Vitamatic**$9.86**322 rev2y ago](https://www.amazon.com/dp/B0D6RWZDBD) [**Horbaach Niacin 500mg Flush Free | 70 Capsules | Inositol Hexanicotinate**Horbäach**$9.44**202 rev3y ago](https://www.amazon.com/dp/B0BSP3N65R) [**Nutricost Niacin (Flush-Free) Inositol Hexanicotinate 500mg 120 Capsules**Nutricost**$16.73**539 rev5y ago](https://www.amazon.com/dp/B094863CX4)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Dr. Berg Highly-Potent Niacin 500 mg Now Only 125 mg per Capsule for Niacin Flush Tolerance Building Gradually Increase to 500mg a Day Vitamin B3 for Heart Brain & Energy Support 100 Capsules**Dr. Berg Nutritionals**$19.98**4.5★**▲ 68%**](https://www.amazon.com/dp/B0F6DJJB7Y) [**Vitamatic Niacin (Vitamin B3) 500mg 240 Tablets - Non-GMO & Gluten Free**Vitamatic**$9.86**4.2★**▲ 66%**](https://www.amazon.com/dp/B0D6RWZDBD) [**Pure Encapsulations Niacitol 500 mg | Hypoallergenic No-Flush Niacin to Support Digestion Hormone Synthesis and Tissue Formation* | 120 Capsules**Pure Encapsulations**$55.82**4.6★**▲ 57%**](https://www.amazon.com/dp/B0064PYUQK) [**NOW Foods Supplements Niacin (Vitamin B-3) 500 mg Flush-Free Double Strength Nutritional Health 180 Veg Capsules**NOW Foods**$22.74**4.7★**▲ 20%**](https://www.amazon.com/dp/B0041VJLTK) [**Flush Free Niacin Non-GMO Vegan 500mg 250 Veggie Capsules - 250 Servings**NusaPure**$27.82**4.7★**▲ 16%**](https://www.amazon.com/dp/B07HXSLB52)
**~~View all trending →~~**
## **What reviews say buyers love and hate about niacin 500mg flush free**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**21%
*“Great Product — Love the Glass Bottle”*
**Value For Money**16%
*“Reasonable price”*
**Advertised Vs Actual Product**9%
*“As advertised”*
**Vitamin**7%
*“Good price nice vitamins”*
**Efficiency**6%
*“Seems to have a positive effect”*
**Heart Health**5%
*“This helped me lower my cholesterol”*
**Sleep Quality**3%
*“Im also sleeping much better”*
**Side Effects**3%
*“Zero side effects”*
**Ease Of Chewing/Swallowing**2%
*“The capsules are easy to take”*
**Skin Health**2%
*“great for your skin”*
### **What buyers complain about **
**Allergies**24%
*“Allergic Reaction”*
**Side Effects**16%
*“Made me nauseous so I couldnt take them”*
**Functionality-Overall**7%
*“Not controlled release, causes flushing”*
**Dosage**6%
*“First dose, nothing”*
**Vitamin**6%
*“This supplement is very expensive”*
**Skin Health**4%
*“her face turned bright red”*
**Heart Health**2%
*“Because I can not take cholesterol prescription medicine due to allergic reactions my heart Dr”*
**Advertised Vs Actual Product**2%
*“False advertising”*
**Itch Relief**2%
*“Well, for me, I break out into an itch really bad”*
**Ingredients-Overall**2%
*“This product is horrible”*
### **Top return reasons **
**Value For Money**15%
**Vitamin**15%
**Dosage**15%
**Advertised Vs Actual Product**15%
**Fever Relief**8%
**Heating**8%
**Safety Standards**8%
**Size-Overall**8%
**Side Effects**8%
## **Common niacin 500mg flush free questions**
- **Is niacin 500mg flush free profitable to sell on Amazon United States?**
- The niche generates $188K/yr across 19 tracked products. 90-day search growth is +4.5%. Flapen's verdict: Worth a look (53/100).
- **How competitive is the niacin 500mg flush free niche?**
- 14 brands and 63 sellers compete. The top 5 products take 64% of clicks and top 5 brands hold 79% of demand.
- **What do buyers complain about in niacin 500mg flush free?**
- Top complaints mined from reviews: Allergies, Side Effects, Functionality-Overall. The return rate is 0.0%.
- **When does demand for niacin 500mg flush free peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the niacin 500mg flush free niche?**
- Listings span $6.91–$55.82; the average listing price is $19.27 (sweet spot $15–$100). The average incumbent carries 2,994 reviews — the moat a new listing must climb.
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