Niacin 100mg
Skip itA small market ($30K/yr) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Great11.7%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$11.70avg listing price — sweet spot $15–$100
Review moat
Okay1,798.6avg incumbent reviews — the moat a new listing must climb
Price range
Okay$9.05–$19.98cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay83%top-5 brand share — brands hold most of the demand
Competition
Bad83%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
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.No pronounced peak months · busiest ÷ quietest = 1.3×
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.
All 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Nutricost Niacin (Vitamin B3) 100mg 240 Capsules with Flushing
Nutricost$11.944.5★2,737 rev
Carlyle Niacin 100mg | 300 Vegetarian Tablets | Non-GMO Gluten Free
Carlyle$10.024.4★297 rev
Solaray Niacin 100mg Nervous System Support 100 Veg Capsules
SOLARAY$9.424.5★318 rev
365 by Whole Foods Market Niacin 100 Mg 100 Count
365 by Whole Foods Market$10.534.6★85 rev
Solgar Niacin (Vitamin B3) 100 mg - 100 Tablets - Supports Energy Metabolism - Non-GMO Vegan Gluten Free Dairy Free Kosher - 100 Servings
Solgar$9.054.5★824 rev
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$19.98294 rev
365 by Whole Foods Market Niacin 100 Mg 100 Count
365 by Whole Foods Market$10.5385 rev
Piping Rock Niacin 100mg | 300 Tablets
Piping Rock$10.2538 rev
Carlyle Niacin 100mg | 300 Vegetarian Tablets | Non-GMO Gluten Free
Carlyle$10.02297 rev
Nutricost Niacin (Vitamin B3) 100mg 240 Capsules with Flushing
Nutricost$11.942,737 rev
Trending
90-day click momentumDr. 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$19.984.5★
Natures Bounty Niacin 500mg Flush Free Cellular Energy Support Supports Nervous System Health 120 Capsules
Nature's Bounty$15.824.7★
365 by Whole Foods Market Niacin 100 Mg 100 Count
365 by Whole Foods Market$10.534.6★
Carlyle Niacin 100mg | 300 Vegetarian Tablets | Non-GMO Gluten Free
Carlyle$10.024.4★
Solaray Niacin 100mg Nervous System Support 100 Veg Capsules
SOLARAY$9.424.5★
What reviews say buyers love and hate about niacin 100mg
What buyers praise and complain about, mined from review topics.What buyers love
“The OTC meds were good brands”
“As advertised”
“effective”
“Great choice for vitamins”
“Great supplement for controlling your cholesterol”
“Dosage of 100mg is a good start”
“The capsules are easy to take”
“Great value for the money”
“had no reaction at all”
“There are no unnecessary additives in these pills”
What buyers complain about
“It was like having an allergic reaction”
“I took this medication for a week and was nauseous and tired the whole time”
“Broke out in hives and got flush and very hot”
“Have to take way over the normal amount to get a flush”
“Well, for me, I break out into an itch really bad”
“A very costly mistake”
“not his supplements”
“They aren't working”
“Inferior Quality”
“TO AVOID FLUSH, I drink a few 8oz cups of water, Around 5 or 6 cups within the next 2 hours”
Top return reasons
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.