vitamin b3
Worth a lookShows low returns (0.0%), but soft demand (-8.7% this quarter) keeps it on the watch list.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Great7.2%search→purchase rate — share of searches ending in a sale
Avg price
Good$14.80avg listing price — sweet spot $15–$100
Market size
Good$545K$545K/yr · 512K searches
Brand share
Good68%top-5 brand share — brands hold most of the demand
Price range
Good$5.72–$25.01cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Competition
Okay61%top-5 click share — leaders hold, buyers still browse
Review moat
Bad9,091.68avg incumbent reviews — the moat a new listing must climb
Growth
Bad-8.7%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, vitamin b3 is a $545K/yr Amazon United States market (512K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in Sep. Verdict: Worth a look — 54/100.
Data updated Jul 28, 2026 · scored weekly · How we score niches
vitamin b3 market data
- Units sold / yr
- 40K–50K
- avg 2,000–2,500/product
- Revenue / yr
- $592K–$740K
- units × avg price
- Conversion rate
- 7.2%
- Avg BSR
- #202
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 74%
- Out of stock
- 0.0%
- Avg brand age
- 80 months
- Avg seller age
- 145 days
Competition & brand share
The top 5 products take 61% of clicks — established leaders, but buyers still shop beyond them.Brands
15 rising
Sellers
105
Top-5 brand share
68%
Top 20: 100%
Top-5 click share
61%
Top 20: 100%
Open market
27%
- Nutricost31%
- THORNE13%
- NOW Foods11%
- Life Extension6%
- Nature Made6%
- Nature's Bounty5%
Demand & seasonality
Weekly Amazon search volume, last 102 weeks — -8.7% search growth over the last 90 days.Peak months: Sep · busiest ÷ quietest = 1.8×
Top vitamin b3 search terms
- vitamin b3172K/yr
- b3 vitamins83K/yr
- vitamina b328K/yr
- vitamina b3 para mujer23K/yr
- vitamina b3 para hombres17K/yr
- thorne niacinamide10K/yr
- vitamin b3 supplement13K/yr
- b3 vitamins for women11K/yr
- vit b310K/yr
- thorne niacinamide 500mg3K/yr
Top vitamin b3 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 19 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Nutricost Niacinamide (Vitamin B3) 500mg 240 Capsules Flush Free
Nutricost$14.724.6★20,032 rev
THORNE - Niacinamide - Non-Flushing Form of Vitamin B3 - Supports Skin Health & Provides Cellular Protection* - Niacin Supplement - Third-Party Certified - Gluten Dairy & Soy-Free - 180 Capsules
THORNE$25.014.6★2,068 rev
NOW Foods Supplements Niacinamide (Vitamin B-3) 500 mg Energy Production* 100 Veg Capsules
NOW Foods$7.454.6★729 rev
Life Extension Vitamin B3 Niacin Heart Health Cholesterol & Energy Support Gluten-Free Non-GMO 100 Capsules
Life Extension$6.233.9★2,197 rev
Natures Bounty Niacin 500mg Flush Free Cellular Energy Support Supports Nervous System Health 120 Capsules
Nature's Bounty$15.824.7★11,937 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
Vitamatic Niacin (Vitamin B3) 500mg 240 Tablets - Non-GMO & Gluten Free
Vitamatic$9.86322 rev
kindnature Vitamin B3 Niacinamide Gummies 500mg Flush-Free Niacin Supplement Supports Skin Energy & Nervous System Wellness Vegan Non-GMO Gluten-Free Soy-Free 90 Gummies
kindnature$24.60163 rev
Bronson Super B Vitamin B Complex Sustained Release for Energy 60 Tablets
Bronson$10.009,428 rev
Vitamin B3 Nicotinamide 1 000mg Per Serving 500 Capsules Flush Free Niacin Essential B3 Supports Healthy Skin & Energy Production Non-GMO
DEAL SUPPLEMENT$20.371,008 rev
Trending
90-day click momentumkindnature Vitamin B3 Niacinamide Gummies 500mg Flush-Free Niacin Supplement Supports Skin Energy & Nervous System Wellness Vegan Non-GMO Gluten-Free Soy-Free 90 Gummies
kindnature$24.604.4★
NOW Foods Supplements Niacinamide (Vitamin B-3) 500 mg Energy Production* 100 Veg Capsules
NOW Foods$7.454.6★
Nature Made Super B Complex with Vitamin C & Folic Acid 140 Tablets
Nature Made$9.634.7★
Life Extension Vitamin B3 Niacin Heart Health Cholesterol & Energy Support Gluten-Free Non-GMO 100 Capsules
Life Extension$6.233.9★
THORNE - Niacinamide - Non-Flushing Form of Vitamin B3 - Supports Skin Health & Provides Cellular Protection* - Niacin Supplement - Third-Party Certified - Gluten Dairy & Soy-Free - 180 Capsules
THORNE$25.014.6★
What buyers say about vitamin b3
What buyers praise and complain about, mined from review topics.What buyers love
“are a reliable brand”
“I love this vitamin”
“As advertised”
“Reasonable price”
“effective”
“Good Supplement”
“I think it boost my energy levels”
“Ease of use”
“The capsules are easy to take”
“The dosage is fine”
What buyers complain about
“Allergic to it”
“The side effects are horrible”
“I think the dosing is too high”
“These have the vitamin smell real bad”
“Not controlled release, causes flushing”
“This caused bright yellow urine that smelled very bad which indicated that the vitamin C was being eliminated via the urine”
“False advertising”
“This product is horrible”
“I can't tell a difference in energy”
“Cheaply Made - Do Not Buy”
Top return reasons
Common questions
- Is vitamin b3 profitable to sell on Amazon United States?
- The niche generates $545K/yr across 19 tracked products. 90-day search growth is -8.7%. Flapen's verdict: Worth a look (54/100).
- How competitive is the vitamin b3 niche?
- 15 brands and 105 sellers compete. The top 5 products take 61% of clicks and top 5 brands hold 68% of demand.
- What do buyers complain about in vitamin b3?
- Top complaints mined from reviews: Allergies, Side Effects, Dosage. The return rate is 0.0%.
- When does demand for vitamin b3 peak?
- Demand peaks in Sep; the busiest month runs 1.8× the quietest.
- What does it cost to enter the vitamin b3 niche?
- Listings span $5.72–$25.01; the average listing price is $14.80 (sweet spot $15–$100). The average incumbent carries 9,092 reviews — the moat a new listing must climb.