Is slo niacin 500mg profitable to sell on Amazon United States?

The niche generates $183K/yr across 6 tracked products. 90-day search growth is -7.7%. Flapen's verdict: Skip it (44/100).

How competitive is the slo niacin 500mg niche?

3 brands and 11 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in slo niacin 500mg?

Top complaints mined from reviews: Dosage, Vitamin, Blood Sugar Level. The return rate is 0.0%.

When does demand for slo niacin 500mg peak?

Demand peaks in Jan; the busiest month runs 1.8× the quietest.

What does it cost to enter the slo niacin 500mg niche?

Listings span $23.11–$112.57; the average listing price is $52.97 (sweet spot $15–$100). The average incumbent carries 340 reviews — the moat a new listing must climb.

slo niacin 500mg

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Conversion

Incredible20.4%

search→purchase rate — share of searches ending in a sale

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Great$52.97

avg listing price — sweet spot $15–$100

Price range

Great$23.11–$112.57

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Great340.17

avg incumbent reviews — the moat a new listing must climb

Market size

Okay$183K

$183K/yr · 17K searches

Growth

Bad-7.7%

90-day search growth — must beat 0% to launch

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Competition

Bad96%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

Signals High Price

According to Flapen's Amazon United States niche tracking, slo niacin 500mg is a $183K/yr Amazon United States market (17K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan. Verdict: Skip it — 44/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

slo niacin 500mg market data

Units sold / yr: 3K–4K; avg 250–500/product
Revenue / yr: $159K–$212K; units × avg price
Conversion rate: 20.4%
Avg BSR: #206
Page quality: 0%
Prime: 83%
Sponsored: 83%
Out of stock: 0.0%
Avg brand age: 122 months
Avg seller age: 185 days

Competition & brand share

The top 5 products capture 96% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 rising

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

96%

Top 20: 100%

Open market

Slo-Niacin88%
Kinara8%
Outccogo4%

Demand & seasonality

Weekly Amazon search volume, last 99 weeks — -7.7% search growth over the last 90 days.

Peak months: Jan · busiest ÷ quietest = 1.8×

Open Trend

Top slo niacin 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 6 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Slo-Niacin Slow Release Niacin 500mg Vitamin B3 Supplement for Heart Wellness Flush-Free B3 Vitamins for Cholesterol & Cardiovascular Support 100 Tablets

Slo-Niacin$23.114.6★932 rev

Slo-Niacin 500 mg Tablets 200 Tablets

Slo-Niacin$46.484.7★270 rev

Slo-Niacin Polygel Controlled-Release Niacin 500 mg 100 Count

Slo-Niacin$24.524.7★333 rev

Kinara Slo Niacin 500mg Flush Free 100 Capsules 6-Pack Vitamin B3 Heart & Nutritional Health Energy Production Circulation Skin Pill Organizer

Kinara$112.574.6★88 rev

Slo-Niacin Slow Release Niacin 500mg - Vitamin B3 Supplement for Heart Wellness - Flush-Free B3 Vitamins for Cholesterol & Cardiovascular Support - 200 Tablets

Kinara$53.324.7★387 rev

Newest

by launch date

Kinara Slo Niacin 500mg Flush Free 100 Capsules 6-Pack Vitamin B3 Heart & Nutritional Health Energy Production Circulation Skin Pill Organizer

Kinara$112.5788 rev

5y ago

Slo-Niacin Slow Release Niacin 500mg - Vitamin B3 Supplement for Heart Wellness - Flush-Free B3 Vitamins for Cholesterol & Cardiovascular Support - 200 Tablets

Kinara$53.32387 rev

5y ago

Slo-Niacin 500 mg Tablets 200 Tablets

Slo-Niacin$46.48270 rev

10y ago

Slo-Niacin 500 mg Tablets 100 Tablets (Pack of 3)

Outccogo$57.8431 rev

12y ago

Slo-Niacin Slow Release Niacin 500mg Vitamin B3 Supplement for Heart Wellness Flush-Free B3 Vitamins for Cholesterol & Cardiovascular Support 100 Tablets

Slo-Niacin$23.11932 rev

19y ago

What buyers say about slo niacin 500mg

What buyers praise and complain about, mined from review topics.

What buyers love

Advertised Vs Actual Product21%

“As expected”

Nutritional Content18%

“Very good supplement”

Quality-Overall14%

“Great quality”

Heart Health11%

“Kinara Slo Niacin 500mg daily improves my HDL cholesterol measurably”

Vitamin11%

“great supplement”

Absorbency7%

“Good for absorbing”

Durability7%

“Great product been using it for years”

Efficiency4%

“Works perfect”

Value For Money4%

“The price is good for a 6 package quantity”

Magnesium4%

“Works better than Niacin”

What buyers complain about

Dosage38%

“Extremely high milligram”

Vitamin25%

“How do you add Red Dye 40 to a vitamin is beyond me”

Blood Sugar Level25%

“My husband is type too diabetic”

Allergies13%

“although i stillhave itchy rash from full dose”

Common questions

Is slo niacin 500mg profitable to sell on Amazon United States?: The niche generates $183K/yr across 6 tracked products. 90-day search growth is -7.7%. Flapen's verdict: Skip it (44/100).
How competitive is the slo niacin 500mg niche?: 3 brands and 11 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in slo niacin 500mg?: Top complaints mined from reviews: Dosage, Vitamin, Blood Sugar Level. The return rate is 0.0%.
When does demand for slo niacin 500mg peak?: Demand peaks in Jan; the busiest month runs 1.8× the quietest.
What does it cost to enter the slo niacin 500mg niche?: Listings span $23.11–$112.57; the average listing price is $52.97 (sweet spot $15–$100). The average incumbent carries 340 reviews — the moat a new listing must climb.