nicotinamide 500mg
Worth a lookShows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Incredible16.3%search→purchase rate — share of searches ending in a sale
Avg price
Great$21.92avg listing price — sweet spot $15–$100
Price range
Great$7.41–$46.16cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Good$526K$526K/yr · 147K searches
Brand share
Okay79%top-5 brand share — brands hold most of the demand
Growth
Okay+11.3%90-day search growth — must beat 0% to launch
Review moat
Okay2,600.4avg incumbent reviews — the moat a new listing must climb
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Bad76%top-5 click share — a locked-up shelf
According to Flapen's Amazon United States niche tracking, nicotinamide 500mg is a $526K/yr Amazon United States market (147K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Oct–Nov. Verdict: Worth a look — 56/100.
Data updated Jul 25, 2026 · scored weekly · How we score niches
nicotinamide 500mg market data
- Units sold / yr
- 20K–25K
- avg 1,500–2,000/product
- Revenue / yr
- $438K–$548K
- units × avg price
- Conversion rate
- 16.3%
- Avg BSR
- #60
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 73%
- Out of stock
- 0.0%
- Avg brand age
- 59 months
- Avg seller age
- 160 days
Competition & brand share
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.Brands
11 flat
Sellers
17
Top-5 brand share
79%
Top 20: 100%
Top-5 click share
76%
Top 20: 100%
Open market
16%
- aSquared Nutrition23%
- Horbäach21%
- Nutricost19%
- biophix9%
- DEAL SUPPLEMENT7%
- Natures Craft5%
- Open — no brand owns it (5 brands, 16%)
Demand & seasonality
Weekly Amazon search volume, last 68 weeks — +11.3% search growth over the last 90 days.Peak months: Oct, Nov · busiest ÷ quietest = 3.2×
Top nicotinamide 500mg search terms
- nicotinamide 500mg91K/yr
- vitamin b3 nicotinamide 500mg24K/yr
- nicotinamide vitamin b38K/yr
- nicotinamide 500 mg5K/yr
- nicotinamide supplement7K/yr
- b3 nicotinamide4K/yr
- vitamin b3 nicotinamide4K/yr
- nicotinamide b33K/yr
- niclosamide- 500mg1K/yr
Top nicotinamide 500mg 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.
All 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Horbach Nicotinamide 500mg | 180 Capsules | Flush Free Dietary Supplement
Horbäach$11.174.6★623 rev

aSquared Nutrition Nicotinamide with Resveratrol - 120 Veggie Capsules - Vitamin B3 500mg (Niacinamide Flush Free) - Supplement Pills to Support NAD Skin Cell Health & Energy
aSquared Nutrition$29.364.5★3,359 rev

Nutricost Niacinamide (Vitamin B3) 500mg 240 Capsules Flush Free
Nutricost$14.724.6★20,002 rev

biophix B-3 Nicotinamide 500 mg 180 Caps - Nicotinic Amide Niacin Natural Flush-Free Vitamin Formula - Supports Skin Cell Health
biophix$26.804.6★2,808 rev

Vitamin B3 Nicotinamide 1 000mg Per Serving 500 Capsules Flush Free Niacin Essential B3 Supports Healthy Skin & Energy Production Non-GMO
DEAL SUPPLEMENT$20.354.6★1,006 rev
Newest
by launch date
NOW Foods Niacinamide (Vitamin B-3) 500 mg Energy Production* 250 Veg Capsules
NOW Foods$19.321,095 rev

Vitamin B3 Nicotinamide 1 000mg Per Serving 500 Capsules Flush Free Niacin Essential B3 Supports Healthy Skin & Energy Production Non-GMO
DEAL SUPPLEMENT$20.351,006 rev

Horbach Nicotinamide 500mg | 180 Capsules | Flush Free Dietary Supplement
Horbäach$11.17623 rev

Vitamin B3 Niacinamide 500mg Capsules - Mitochondrial Energy and Potent Skin Supplement - AKA Vitamin B3 Niacin Flush Free and Nicotinamide 500mg - Flush Free Niacin Supplement - 240 Count
Natures Craft$29.841,259 rev

Vitamin B3 Nicotinamide 500mg - High Absorption Form of Vitamin B3 Niacin Flush Free for Hear Skin Brain and Energy Support - NAD Precursor - Made in a cGMP American Facility (180 Servings)
Clear Formulas$18.6086 rev
Trending
90-day click momentum
NOW Foods Supplements Niacinamide (Vitamin B-3) 500 mg Energy Production* 100 Veg Capsules
NOW Foods$7.414.6★

NOW Foods Niacinamide (Vitamin B-3) 500 mg Energy Production* 250 Veg Capsules
NOW Foods$19.324.7★

Genex Formulas - Nicotinamide 500mg Vitamin B3 Flush Free Niacin Capsules for Healthy Skin - Niacinamide Supplement Pills Help Produce Keratin & Support Skin Cell Health & Energy - (100 Capsules)
Genex Formulas$23.664.5★

Vitamin B3 Nicotinamide 500mg - High Absorption Form of Vitamin B3 Niacin Flush Free for Hear Skin Brain and Energy Support - NAD Precursor - Made in a cGMP American Facility (180 Servings)
Clear Formulas$18.604.2★

biophix B-3 Nicotinamide 500 mg 180 Caps 2 Pack - Nicotinic Amide Niacin Natural Flush-Free Vitamin Formula - Supports Skin Cell Health
biophix$46.164.6★
What buyers say about nicotinamide 500mg
What buyers praise and complain about, mined from review topics.What buyers love
“Premium quality with visible benefits”
“Vitamins”
“As advertised”
“Economical”
“My skin cleared up”
“It helps me to sleep”
“Seems to have a positive effect”
“Easy to swallow”
“Food supplement”
“Convenient”
What buyers complain about
“I got very bad side affects”
“Allergic to it”
“This product didnt work for me”
“Vitamin B3. Took for a month and half”
“500mg is too much”
“Made me ill”
“Causes major heart palpitations”
“Nothing remarkable to report”
“Product is not health to consume”
“I feel it now in my sinuses”
Top return reasons
Common questions
- Is nicotinamide 500mg profitable to sell on Amazon United States?
- The niche generates $526K/yr across 15 tracked products. 90-day search growth is +11.3%. Flapen's verdict: Worth a look (56/100).
- How competitive is the nicotinamide 500mg niche?
- 11 brands and 17 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 79% of demand.
- What do buyers complain about in nicotinamide 500mg?
- Top complaints mined from reviews: Side Effects, Allergies, Functionality-Overall. The return rate is 0.0%.
- When does demand for nicotinamide 500mg peak?
- Demand peaks in Oct–Nov; the busiest month runs 3.2× the quietest.
- What does it cost to enter the nicotinamide 500mg niche?
- Listings span $7.41–$46.16; the average listing price is $21.92 (sweet spot $15–$100). The average incumbent carries 2,600 reviews — the moat a new listing must climb.