---
title: "Niacin — $109K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/health-household/niacin"
last_updated: "2026-08-12T06:08:39.415Z"
locale: en
meta:
description: "Amazon product research for niacin: $109K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for niacin: $109K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Niacin — $109K/mo Amazon US Product Research (2026)"
---
# **Niacin**
**Worth a look**
Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 83Growth 23Conversion 91Competition 29Returns 100Price range 53Avg price 72Brand share 41Review moat 25Quality gap 60
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Great****11.0%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Great****$1.3M**
$1.3M/yr · 817K searches
**Avg price**
**Good****$14.65**
avg listing price — sweet spot $15–$100
**Quality gap**
**Good****4.4★**
avg incumbent rating — lower means beatable quality
**Price range**
**Good****$6.23–$25.01**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Brand share**
**Okay****81%**
top-5 brand share — brands hold most of the demand
**Competition**
**Okay****68%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Bad****4,089.88**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Bad****-4.6%**
90-day search growth — must beat 0% to launch
## **Is niacin profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, niacin is a $1.3M/yr Amazon United States market (817K searches/yr). The top 5 brands hold 81% of demand. Verdict: Worth a look — 57/100.
Data updated Jul 28, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **niacin market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **100K–125K**
- avg 5,000–6,000/product
- **Revenue / yr**
- **$1.5M–$1.8M**
- units × avg price
- **Conversion rate**
- **11.0%**
- **Avg BSR**
- **#452**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **69%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **89 months**
- **Avg seller age**
- **147 days**
## **Competition: brands, sellers & click share**
The top 5 products take 68% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**11 **—flat
**Sellers**
**61**
**Top-5 brand share**
**81%**
Top 20: 100%
**Top-5 click share**
**68%**
Top 20: 100%
**Open market**
**14%**
- Nutricost30% - Nature's Bounty26% - NOW Foods10% - Dr. Berg Nutritionals8% - Life Extension6% - Micro Ingredients6% - Open — no brand owns it (5 brands, 14%)
## **niacin demand & seasonality**
Weekly Amazon search volume, last 102 weeks — -4.6% search growth over the last 90 days.
20K15KSpike '25Spike '26 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.2×
[**Open Trend **](https://flapen.com/research/us/health-household/niacin/trend)
## **Top niacin search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **niacin**498K/yr-5.0%11.0% conv. - **niacin 500mg**96K/yr-4.9%12.2% conv. - **vitamin b3 niacin**30K/yr-9.9%5.8% conv. - **b3 niacin**24K/yr+4.7%5.8% conv. - **niacin supplement**40K/yr-38.7%6.6% conv. - **niacin b3**19K/yr+22.3%6.8% conv. - **niacina**22K/yr-1.8%1.9% conv. - **niacin vitamin b3**13K/yr+45.3%5.7% conv. - **niacin flush**20K/yr-8.6%5.8% conv. - **niacin extended release 500mg**6K/yr+33.3%7.2% conv. [**All search terms **](https://flapen.com/research/us/health-household/niacin/search-terms)
## **Top niacin 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%10%$131K20%$262K30%$394K40%$525K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 16 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**Nutricost Niacin (Vitamin B3) 500mg 240 Capsules with Flushing GMO-Free**Nutricost**$14.88**4.2★9,951 rev](https://www.amazon.com/dp/B01IIDB6JE) [3**Nutricost Niacin (Vitamin B3) 100mg 240 Capsules with Flushing**Nutricost**$11.94**4.5★2,737 rev](https://www.amazon.com/dp/B08WYVC3ZH) [4**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★294 rev](https://www.amazon.com/dp/B0F6DJJB7Y) [5**NOW Foods Supplements Niacin (Vitamin B-3) 500 mg Sustained Release Nutritional Health 250 Tablets**NOW Foods**$14.06**4.3★4,833 rev](https://www.amazon.com/dp/B00028LV8K)
**~~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) [**BulkSupplements.com Niacin Capsules - Niacin Supplement Vitamin B3 - Gluten Free 1 Capsule per Serving 365 Capsules (Pack of 1)**BulkSupplements**$18.54**448 rev3y ago](https://www.amazon.com/dp/B0BB8HRSM6) [**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
[**Horbach Niacin | Vitamin B3 500mg | 100 Capsules | with Flushing**Horbäach**$8.48**4.0★**▲ 135%**](https://www.amazon.com/dp/B07M5HTYYY) [**Life Extension Vitamin B3 Niacin Heart Health Cholesterol & Energy Support Gluten-Free Non-GMO 100 Capsules**Life Extension**$6.23**3.9★**▲ 47%**](https://www.amazon.com/dp/B000PBX32G) [**NOW Foods Supplements Niacin (Vitamin B-3) 500 mg Flush-Free Double Strength Nutritional Health 180 Veg Capsules**NOW Foods**$22.74**4.7★**▲ 36%**](https://www.amazon.com/dp/B0041VJLTK) [**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★**▲ 29%**](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**4.6★**▲ 12%**](https://www.amazon.com/dp/B0DLLJLMKD)
**~~View all trending →~~**
## **What reviews say buyers love and hate about niacin**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**23%
*“no complaints so far”*
**Value For Money**12%
*“Reasonable price”*
**Advertised Vs Actual Product**10%
*“As advertised”*
**Vitamin**7%
*“Great supplement”*
**Efficiency**6%
*“effective”*
**Heart Health**4%
*“Lowered my cholesterol”*
**Side Effects**3%
*“had no reaction at all”*
**Sleep Quality**3%
*“Im also sleeping much better”*
**Dosage**2%
*“The dosage is fine”*
**Ease Of Chewing/Swallowing**2%
*“The capsules are easy to take”*
### **What buyers complain about **
**Allergies**29%
*“Allergic Reaction”*
**Side Effects**14%
*“The side effects are horrible”*
**Dosage**8%
*“I think the dosing is too high”*
**Functionality-Overall**6%
*“Not controlled release, causes flushing”*
**Vitamin**5%
*“Vitamin B3. Took for a month and half”*
**Skin Health**4%
*“Turned red, felt like my skin is sun burned”*
**Itch Relief**3%
*“Well, for me, I break out into an itch really bad”*
**Quality-Overall**2%
*“Inferior Quality”*
**Heart Health**2%
*“Because I can not take cholesterol prescription medicine due to allergic reactions my heart Dr”*
**Color**2%
*“Red”*
### **Top return reasons **
**Dosage**18%
**Vitamin**12%
**Advertised Vs Actual Product**12%
**Value For Money**12%
**Side Effects**6%
**Safety Standards**6%
**Functionality-Overall**6%
**Heating**6%
**Size-Overall**6%
**Calcium**6%
## **Common niacin questions**
- **Is niacin profitable to sell on Amazon United States?**
- The niche generates $1.3M/yr across 16 tracked products. 90-day search growth is -4.6%. Flapen's verdict: Worth a look (57/100).
- **How competitive is the niacin niche?**
- 11 brands and 61 sellers compete. The top 5 products take 68% of clicks and top 5 brands hold 81% of demand.
- **What do buyers complain about in niacin?**
- Top complaints mined from reviews: Allergies, Side Effects, Dosage. The return rate is 0.0%.
- **When does demand for niacin peak?**
- Demand is steady year-round — the busiest month runs 1.2× the quietest.
- **What does it cost to enter the niacin niche?**
- Listings span $6.23–$25.01; the average listing price is $14.65 (sweet spot $15–$100). The average incumbent carries 4,090 reviews — the moat a new listing must climb.
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