Niacin
a small market ($47K/yr) — Niacin doesn't clear our bar today.
Flapen Score
Is Niacin profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Niacin is a £47K/yr Amazon United Kingdom market (46K searches/yr). The top 5 brands hold 79% of demand. Demand peaks in Aug–Sep–Oct–Nov. Verdict: Skip it — 43/100.
Niacin: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Not really. Search demand moved -17.4% over the last 90 days and 9.2% of searches end in a purchase.
£47K
revenue / yr
Who owns the niche?
The top 5 brands hold 79% of demand, so 21% of the market is open.
21%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.4★ — the gap to enter on.
0/100
page quality · 13 products
Top Niacin products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Vitamin B3 Niacin 500mg | 90 Vegan Capsules (3 Months Supply) | Flush Free Nicotinamide Supplement (Niacinamide) | Resealable & Recyclable Pouch | by Horbaach
- Price
- £7.15
- Rating
- 4.4/5
- Reviews
- 829
- Age
- 5y ago
Niacin 50mg 120 Tablets | Vitamin B3 Nicotinic Acid Flush Formula | Vegan UK Made | GMP Approved | MOBU (120)
- Price
- £7.38
- Rating
- 4.3/5
- Reviews
- 454
- Age
- 4y ago
Niacin Supplements with Flush Effect B3 Vitamin Supplement Nicotinic Acid B1 Thiamine ALA 120 Capsules Cognitive Function Cholesterol Heart & Energy 50mg Active Form (niacinamide alternative)
- Price
- £19.18
- Rating
- 4.4/5
- Reviews
- 88
- Age
- 1y ago
Nutrivolv Niacin Supplement Tablets | 100mg | Flush Formula | Pure Nicotinic Acid | Reduces Fatigue | Supports Healthy Cholesterol | Vitamin B3 for Men & Women | Vegan | Halal | Kosher | 120 Tablets
- Price
- £6.60
- Rating
- 4.2/5
- Reviews
- 169
- Age
- 4y ago
Nutricost Vitamin B3 Niacinamide 500mg 240 Capsules - Gluten Free Non-GMO Soy Free No Niacin Flush Energy Boost Premium Quality
- Price
- £13.09
- Rating
- 4.6/5
- Reviews
- 18,743
- Age
- 9y ago
Trending
90-day click momentum
Vitamin B3 Nicotinamide 500mg per Tablet - 180 Tablets - 6 Months Supply
- Price
- £7.55
- Rating
- 4.4/5
- Reviews
- 633
- Age
- 4y ago
Vitamin B3 Niacinamide 500mg 180 Tablets - High Strength - Suitable for Vegans & Vegetarians - Made in UK
- Price
- £8.12
- Rating
- 4.9/5
- Reviews
- 12
- Age
- 2y ago
Vitamin B3 Niacin 500mg | 90 Vegan Capsules (3 Months Supply) | Flush Free Nicotinamide Supplement (Niacinamide) | Resealable & Recyclable Pouch | by Horbaach
- Price
- £7.15
- Rating
- 4.4/5
- Reviews
- 829
- Age
- 5y ago
Vitamin B3 Niacin as Nicotinic Acid 50mg 120 Tablets Flush Effect
- Price
- £6.59
- Rating
- 4.3/5
- Reviews
- 57
- Age
- 2y ago
Nutricost Vitamin B3 Niacinamide 500mg 240 Capsules - Gluten Free Non-GMO Soy Free No Niacin Flush Energy Boost Premium Quality
- Price
- £13.09
- Rating
- 4.6/5
- Reviews
- 18,743
- Age
- 9y ago
Newest
by launch dateNiacin Supplements with Flush Effect B3 Vitamin Supplement Nicotinic Acid B1 Thiamine ALA 120 Capsules Cognitive Function Cholesterol Heart & Energy 50mg Active Form (niacinamide alternative)
- Price
- £19.18
- Rating
- 4.4/5
- Reviews
- 88
- Age
- 1y ago
Vitamin B3 Niacinamide 500mg 180 Tablets - High Strength - Suitable for Vegans & Vegetarians - Made in UK
- Price
- £8.12
- Rating
- 4.9/5
- Reviews
- 12
- Age
- 2y ago
Vitamin B3 Niacin as Nicotinic Acid 50mg 120 Tablets Flush Effect
- Price
- £6.59
- Rating
- 4.3/5
- Reviews
- 57
- Age
- 2y ago
Vitamin B3 Niacin 100ml Liquid Supplements | 100% Pure & Natural Niacin 12.5mg | UK Made & Vegan Friendly | 4 Months Supply | UV Protected Miron Violet Glass | 10 Drops Daily
- Price
- £20.46
- Rating
- 4.3/5
- Reviews
- 55
- Age
- 2y ago
Niacin 50mg 120 Tablets | Vitamin B3 Nicotinic Acid Flush Formula | Vegan UK Made | GMP Approved | MOBU (120)
- Price
- £7.38
- Rating
- 4.3/5
- Reviews
- 454
- Age
- 4y ago
Competition: brands, sellers & click share
The top 5 products capture 75% of clicks — a locked-up shelf that new listings rarely crack.
Brands
11 flat
Sellers
14
Top-5 brand share
79%
Top 20: 100%
Top-5 click share
75%
Top 20: 100%
Open market
14%
- Horbäach27%
- MOBU23%
- Bio Mirco11%
- Health4All11%
- NutriVolv8%
- Nutricost7%
- Open — no brand owns it (5 brands, 14%)
Niacin demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Aug, Sep, Oct, Nov · busiest ÷ quietest = 2.2×
Top Niacin search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- niacin36K/yr
- nicotinic acid5K/yr
- niacin flush3K/yr
- niacin b32K/yr
What reviews say buyers love and hate about Niacin
What buyers mention most, as a share of all reviews.
What buyers love
76% of reviews“Bottles decent quality too — that Miron glass does feel like itll keep things fresh”
“Good price”
“Healthy vitamin”
“Item description accuracy”
“my energy levels seem to have improved”
What buyers complain about
60% of reviews“There was I trying to work out what the hell Im suddenly allergic to”
“Inconsistent Dose per tablet”
“Some tablets do nothing whilst others provide a very gentle effect”
“Too big”
“have to say no change at all in skin colour”
Niacin return rate & reasons
Why buyers send it back, as a share of all return requests.
0.1%
Return rate
57%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Niacin questions
The questions sellers ask about this niche, answered from the tracked metrics.
Related niches
Same-category niches scoring near this one — the next ones worth researching.
Best Flapen score
The highest-scoring niches we track right now, across every category.
