Is niacinamide 50mg profitable to sell on Amazon United States?

The niche generates $12K/yr across 18 tracked products. 90-day search growth is -17.9%. Flapen's verdict: Skip it (46/100).

How competitive is the niacinamide 50mg niche?

15 brands and 33 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 68% of demand.

What do buyers complain about in niacinamide 50mg?

Top complaints mined from reviews: Dosage, Vitamin, Side Effects. The return rate is 0.0%.

When does demand for niacinamide 50mg peak?

Demand peaks in Feb–Aug; the busiest month runs 2.8× the quietest.

What does it cost to enter the niacinamide 50mg niche?

Listings span $5.25–$25.01; the average listing price is $15.64 (sweet spot $15–$100). The average incumbent carries 1,995 reviews — the moat a new listing must climb.

niacinamide 50mg

Skip it

A small market ($12K/yr) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Great10.2%

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

Avg price

Great$15.64

avg listing price — sweet spot $15–$100

Brand share

Good68%

top-5 brand share — brands hold most of the demand

Price range

Good$5.25–$25.01

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

Review moat

Okay1,995.39

avg incumbent reviews — the moat a new listing must climb

Competition

Okay60%

top-5 click share — leaders hold, buyers still browse

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-17.9%

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

Market size

Bad$12K

$12K/yr · 8K searches

According to Flapen's Amazon United States niche tracking, niacinamide 50mg is a $12K/yr Amazon United States market (8K searches/yr). The top 5 brands hold 68% of demand. Demand peaks in Feb–Aug. Verdict: Skip it — 46/100.

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

niacinamide 50mg market data

Units sold / yr: 500–750; avg 0–100/product
Revenue / yr: $8K–$12K; units × avg price
Conversion rate: 10.2%
Avg BSR: #911
Page quality: 0%
Prime: 94%
Sponsored: 67%
Out of stock: 0.0%
Avg brand age: 147 months
Avg seller age: 195 days

Competition & brand share

The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.

Brands

15 rising

Sellers

Top-5 brand share

68%

Top 20: 100%

Top-5 click share

60%

Top 20: 100%

Open market

24%

Dr. Mercola27%
Standard Process Inc.14%
Pure Encapsulations10%
KAL9%
Source Naturals9%
Swanson8%

Demand & seasonality

Weekly Amazon search volume, last 100 weeks — -17.9% search growth over the last 90 days.

Peak months: Feb, Aug · busiest ÷ quietest = 2.8×

Open Trend

Top niacinamide 50mg 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 18 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Dr. Mercola Niacin Vitamin B3 90 Servings (270 Tablets) Dietary Supplement Mini Tabs Essential B Vitamin Non-GMO

Dr. Mercola$19.684.3★127 rev

Standard Process B6-Niacinamide - Support Energy Metabolism & Heart Health - Aids Digestive & Blood Circulatory Systems - Gluten-Free Non-Dairy & Non-Soy - 90 Tablets (90 Servings)

Standard Process Inc.$16.104.7★341 rev

Dr. Mercola Niacinamide Vitamin B3-50 mg per Tablet - Supports Metabolic Health - Non-Flushing - Mini Tabs - Non-GMO Gluten-Free & Soy-Free - 270 Tablets(90-Day Supply)

Dr. Mercola$24.464.6★447 rev

Pure Encapsulations Niacinamide | Vitamin B3 Supplement to Support Energy Metabolism Joint Mobility and Metabolic Function* | 90 Capsules

Pure Encapsulations$19.674.6★610 rev

Kal 50 Mg Niacin Tablets 200 Count

KAL$9.264.4★765 rev

Newest

by launch date

Dr. Mercola Niacin Vitamin B3 90 Servings (270 Tablets) Dietary Supplement Mini Tabs Essential B Vitamin Non-GMO

Dr. Mercola$19.68127 rev

2y ago

Dr. Mercola Niacinamide Vitamin B3-50 mg per Tablet - Supports Metabolic Health - Non-Flushing - Mini Tabs - Non-GMO Gluten-Free & Soy-Free - 270 Tablets(90-Day Supply)

Dr. Mercola$24.46447 rev

2y ago

Liquid Vitamin B3 (as Niacinamide) Supplement - Non Flush Form of Niacin - Fast Absorption -Convenient Niacin Drops for Women and Men - 4 oz (120ml )

Think Above$23.85637 rev

4y ago

Earthborn Elements Niacinamide (Vitamin B3) Capsules No Magnesium Fillers No Flush

Earthborn Elements$15.0191 rev

6y ago

Pure Original Ingredients Niacinamide (365 Capsules) No Magnesium Or Rice Fillers Always Pure Lab Verified

PURE ORIGINAL INGREDIENTS$15.95330 rev

7y ago

What buyers say about niacinamide 50mg

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

What buyers love

Quality-Overall18%

“Outstanding, consistent performance”

Value For Money10%

“Good price”

Advertised Vs Actual Product10%

“As advertised”

Vitamin7%

“Vitamin”

Skin Health5%

“great for your skin”

Dosage5%

“The dosage is fine”

Sleep Quality4%

“It helps me to sleep”

Ease Of Use4%

“Convenient”

Ease Of Chewing/Swallowing4%

“taste equivalent to swallowing”

Energy Level3%

“Helps with energy production and circulation”

What buyers complain about

Dosage12%

“time to make pills”

Vitamin11%

“It's not supplementing the Vitamin”

Side Effects7%

“Every time I take it I get diarrhea”

Advertised Vs Actual Product6%

“False advertising”

Smell6%

“Unpleasant Odor”

Heart Health4%

“Causes major heart palpitations”

Ethical Trade/Fair Trade3%

“Deception”

Acid Regulator/Stomach Ache Relief3%

“I had massive diarrhea”

Sleep Quality3%

“you may find yourself staring at the ceiling waiting for sleep that does not come”

Allergies3%

“Triggered a MAJOR histamine reaction - hives all over body scalp to feet, itchy, swollen eyes n lips, for weeks”

Top return reasons

Advertised Vs Actual Product22%

Safety Standards11%

Dosage11%

Vitamin11%

Magnesium11%

Fever Relief11%

Size-Overall11%

Heating11%

Common questions

Is niacinamide 50mg profitable to sell on Amazon United States?: The niche generates $12K/yr across 18 tracked products. 90-day search growth is -17.9%. Flapen's verdict: Skip it (46/100).
How competitive is the niacinamide 50mg niche?: 15 brands and 33 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 68% of demand.
What do buyers complain about in niacinamide 50mg?: Top complaints mined from reviews: Dosage, Vitamin, Side Effects. The return rate is 0.0%.
When does demand for niacinamide 50mg peak?: Demand peaks in Feb–Aug; the busiest month runs 2.8× the quietest.
What does it cost to enter the niacinamide 50mg niche?: Listings span $5.25–$25.01; the average listing price is $15.64 (sweet spot $15–$100). The average incumbent carries 1,995 reviews — the moat a new listing must climb.