---
title: "Niacin 100mg — $3K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/health-household/niacin-100mg"
last_updated: "2026-08-12T07:54:44.424Z"
locale: en
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description: "Amazon product research for niacin 100mg: $3K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for niacin 100mg: $3K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Niacin 100mg — $3K/mo Amazon US Product Research (2026)"
---
# **Niacin 100mg**
**Skip it**
A small market ($30K/yr) — this niche doesn't clear our bar today.
Market size 8Growth 53Conversion 94Competition 14Returns 100Price range 46Avg price 48Brand share 37Review moat 47Quality gap 40
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****11.7%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Good****+25.0%**
90-day search growth — must beat 0% to launch
**Avg price**
**Okay****$11.70**
avg listing price — sweet spot $15–$100
**Review moat**
**Okay****1,798.6**
avg incumbent reviews — the moat a new listing must climb
**Price range**
**Okay****$9.05–$19.98**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Okay****83%**
top-5 brand share — brands hold most of the demand
**Competition**
**Bad****83%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$30K**
$30K/yr · 22K searches
## **Is niacin 100mg profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, niacin 100mg is a $30K/yr Amazon United States market (22K searches/yr). The top 5 brands hold 83% of demand. Verdict: Skip it — 45/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **niacin 100mg market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **3K–4K**
- avg 250–500/product
- **Revenue / yr**
- **$35K–$47K**
- units × avg price
- **Conversion rate**
- **11.7%**
- **Avg BSR**
- **#349**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **50%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **160 months**
- **Avg seller age**
- **175 days**
## **Competition: brands, sellers & click share**
The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**10 **▲rising
**Sellers**
**558**
**Top-5 brand share**
**83%**
Top 20: 100%
**Top-5 click share**
**83%**
Top 20: 100%
**Open market**
**12%**
- Nutricost48% - Carlyle13% - SOLARAY8% - 365 by Whole Foods Market8% - Solgar6% - Source Naturals5% - Open — no brand owns it (4 brands, 12%)
## **niacin 100mg demand & seasonality**
Weekly Amazon search volume, last 102 weeks — +25.0% search growth over the last 90 days.
500300Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/health-household/niacin-100mg/trend)
## **Top niacin 100mg 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%15%$5K30%$9K45%$14K60%$18K101001K10K100K 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**Nutricost Niacin (Vitamin B3) 100mg 240 Capsules with Flushing**Nutricost**$11.94**4.5★2,737 rev](https://www.amazon.com/dp/B08WYVC3ZH) [2**Carlyle Niacin 100mg | 300 Vegetarian Tablets | Non-GMO Gluten Free**Carlyle**$10.02**4.4★297 rev](https://www.amazon.com/dp/B09C92DZM2) [3**Solaray Niacin 100mg Nervous System Support 100 Veg Capsules**SOLARAY**$9.42**4.5★318 rev](https://www.amazon.com/dp/B000OSCSNK) [4**365 by Whole Foods Market Niacin 100 Mg 100 Count**365 by Whole Foods Market**$10.53**4.6★85 rev](https://www.amazon.com/dp/B0CN9NQQQJ) [5**Solgar Niacin (Vitamin B3) 100 mg - 100 Tablets - Supports Energy Metabolism - Non-GMO Vegan Gluten Free Dairy Free Kosher - 100 Servings**Solgar**$9.05**4.5★824 rev](https://www.amazon.com/dp/B00020IAWI)
**~~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) [**365 by Whole Foods Market Niacin 100 Mg 100 Count**365 by Whole Foods Market**$10.53**85 rev2y ago](https://www.amazon.com/dp/B0CN9NQQQJ) [**Piping Rock Niacin 100mg | 300 Tablets**Piping Rock**$10.25**38 rev4y ago](https://www.amazon.com/dp/B0B7NZQ171) [**Carlyle Niacin 100mg | 300 Vegetarian Tablets | Non-GMO Gluten Free**Carlyle**$10.02**297 rev4y ago](https://www.amazon.com/dp/B09C92DZM2) [**Nutricost Niacin (Vitamin B3) 100mg 240 Capsules with Flushing**Nutricost**$11.94**2,737 rev5y ago](https://www.amazon.com/dp/B08WYVC3ZH)
**~~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★**▲ 38%**](https://www.amazon.com/dp/B0F6DJJB7Y) [**Natures Bounty Niacin 500mg Flush Free Cellular Energy Support Supports Nervous System Health 120 Capsules**Nature's Bounty**$15.82**4.7★**▲ 29%**](https://www.amazon.com/dp/B001V9N4KW) [**365 by Whole Foods Market Niacin 100 Mg 100 Count**365 by Whole Foods Market**$10.53**4.6★**▲ 28%**](https://www.amazon.com/dp/B0CN9NQQQJ) [**Carlyle Niacin 100mg | 300 Vegetarian Tablets | Non-GMO Gluten Free**Carlyle**$10.02**4.4★**▲ 19%**](https://www.amazon.com/dp/B09C92DZM2) [**Solaray Niacin 100mg Nervous System Support 100 Veg Capsules**SOLARAY**$9.42**4.5★**▲ 10%**](https://www.amazon.com/dp/B000OSCSNK)
**~~View all trending →~~**
## **What reviews say buyers love and hate about niacin 100mg**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**32%
*“The OTC meds were good brands”*
**Advertised Vs Actual Product**12%
*“As advertised”*
**Efficiency**9%
*“effective”*
**Vitamin**5%
*“Great choice for vitamins”*
**Heart Health**5%
*“Great supplement for controlling your cholesterol”*
**Dosage**4%
*“Dosage of 100mg is a good start”*
**Ease Of Chewing/Swallowing**3%
*“The capsules are easy to take”*
**Value For Money**3%
*“Great value for the money”*
**Side Effects**2%
*“had no reaction at all”*
**Ingredients-Overall**2%
*“There are no unnecessary additives in these pills”*
### **What buyers complain about **
**Allergies**25%
*“It was like having an allergic reaction”*
**Side Effects**14%
*“I took this medication for a week and was nauseous and tired the whole time”*
**Heating**7%
*“Broke out in hives and got flush and very hot”*
**Dosage**6%
*“Have to take way over the normal amount to get a flush”*
**Itch Relief**5%
*“Well, for me, I break out into an itch really bad”*
**Value For Money**5%
*“A very costly mistake”*
**Vitamin**4%
*“not his supplements”*
**Functionality-Overall**3%
*“They aren't working”*
**Quality-Overall**3%
*“Inferior Quality”*
**Regulates Digestion**3%
*“TO AVOID FLUSH, I drink a few 8oz cups of water, Around 5 or 6 cups within the next 2 hours”*
### **Top return reasons **
**Functionality-Overall**100%
## **Common niacin 100mg questions**
- **Is niacin 100mg profitable to sell on Amazon United States?**
- The niche generates $30K/yr across 10 tracked products. 90-day search growth is +25.0%. Flapen's verdict: Skip it (45/100).
- **How competitive is the niacin 100mg niche?**
- 10 brands and 558 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 83% of demand.
- **What do buyers complain about in niacin 100mg?**
- Top complaints mined from reviews: Allergies, Side Effects, Heating. The return rate is 0.0%.
- **When does demand for niacin 100mg peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the niacin 100mg niche?**
- Listings span $9.05–$19.98; the average listing price is $11.70 (sweet spot $15–$100). The average incumbent carries 1,799 reviews — the moat a new listing must climb.
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