Is the ordinary niacinamide profitable to sell on Amazon United States?

The niche generates $11.7M/yr across 18 tracked products. 90-day search growth is +0.7%. Flapen's verdict: Worth a look (51/100).

How competitive is the the ordinary niacinamide niche?

1 brands and 4 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in the ordinary niacinamide?

Top complaints mined from reviews: Allergies, Functionality-Overall, Skin Health. The return rate is 0.3%.

When does demand for the ordinary niacinamide peak?

Demand peaks in Jan–Feb; the busiest month runs 2.3× the quietest.

What does it cost to enter the the ordinary niacinamide niche?

Listings span $5.86–$29.76; the average listing price is $13.81 (sweet spot $15–$100). The average incumbent carries 19,679 reviews — the moat a new listing must climb.

the ordinary niacinamide

Worth a look

Shows a $11.7M/yr market, but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Market size

Incredible$11.7M

$11.7M/yr · 9.0M searches

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Conversion

Great9.4%

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

Avg price

Good$13.81

avg listing price — sweet spot $15–$100

Price range

Good$5.86–$29.76

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

Competition

Okay66%

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

Growth

Okay+0.7%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Review moat

Bad19,678.56

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, the ordinary niacinamide is a $11.7M/yr Amazon United States market (9.0M searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb. Verdict: Worth a look — 51/100.

Data updated Jul 16, 2026 · scored weekly · How we score niches

the ordinary niacinamide market data

Units sold / yr: 800K–1.0M; avg 40,000–50,000/product
Revenue / yr: $11.0M–$13.8M; units × avg price
Conversion rate: 9.4%
Avg BSR: #41
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 55 months
Avg seller age: 121 days

Competition & brand share

The top 5 products take 66% of clicks — established leaders, but buyers still shop beyond them.

Brands

1 flat

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

66%

Top 20: 100%

Open market

The Ordinary100%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +0.7% search growth over the last 90 days.

Peak months: Jan, Feb · busiest ÷ quietest = 2.3×

Open Trend

Top the ordinary niacinamide search terms

the ordinary4.9M/yr +0.7%6.8% conv.
ordinary2.4M/yr +5.9%6.7% conv.
the ordinary niacinamide561K/yr -5.5%10.8% conv.
ordinary niacinamide serum305K/yr -5.8%11.5% conv.
the ordinary niacinamide 10% + zinc 1%143K/yr +14.2%8.3% conv.
ordinary serum209K/yr -23.0%7.3% conv.
the ordinary serum123K/yr -12.6%6.5% conv.
ordinary skin care67K/yr -15.6%5.0% conv.
ordinary niacinamide52K/yr +2.9%15.1% conv.
the ordinary niacinamide serum43K/yr +10.8%13.5% conv.

All search terms

Top the ordinary niacinamide 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

The Ordinary Niacinamide 10% + Zinc 1% Smoothing Serum for Blemish-Prone Skin 1 Fl Oz

The Ordinary$5.864.7★60,215 rev

The Ordinary Glycolic Acid 7% Exfoliating Toner Brightening and Smoothing Daily Toner for More Even-Looking Skin Tone 8.1 Fl Oz

The Ordinary$12.924.7★56,359 rev

The Ordinary Hyaluronic Acid 2% + B5 (with Ceramides) Multi-Depth Hydration Serum for Plumper Smoother Skin 1 Fl Oz

The Ordinary$9.664.7★38,201 rev

The Ordinary The Acne Set 3-Step Skin Regimen with Glucoside Foaming Cleanser Salicylic Acid 2% Solution and Natural Moisturizing Factors + Beta Glucan | Skin Care Set

The Ordinary$15.854.6★5,046 rev

The Ordinary AHA 30% + BHA 2% Peeling Solution Advanced Exfoliating Peel for Brighter Skin 1 Fl Oz

The Ordinary$9.074.6★30,820 rev

Newest

by launch date

The Ordinary The Acne Set 3-Step Skin Regimen with Glucoside Foaming Cleanser Salicylic Acid 2% Solution and Natural Moisturizing Factors + Beta Glucan | Skin Care Set

The Ordinary$15.855,046 rev

1y ago

The Ordinary Glycolic Acid 7% Exfoliating Toner Brightening and Smoothing Daily Toner for More Even-Looking Skin Tone 3.4 Fl Oz

The Ordinary$8.7256,359 rev

1y ago

The Ordinary Multi-Peptide + Copper Peptides 1% GHK-Cu Anti-Aging Serum for Fine Lines and Skin Elasticity 1 Fl Oz

The Ordinary$29.762,612 rev

2y ago

The Ordinary Salicylic Acid 2% Solution Acne-Fighting Serum for Blemish-Prone Skin 1 Fl Oz

The Ordinary$6.5211,458 rev

3y ago

The Ordinary Multi-Peptide + Hyaluronic Acid Anti-Aging Peptide Serum for Crows Feet Elasticity & Firmness 1 Fl Oz

The Ordinary$19.072,670 rev

3y ago

What buyers say about the ordinary niacinamide

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

What buyers love

Suitability Combination Skin16%

“Good for sensitive skin”

Quality-Overall14%

“its super affordable for the quality”

Value For Money13%

“Great deal”

Soft Feel7%

“leaves my skin soft”

Moist/Dry7%

“Doesnt dry out my skin”

Symptom Reduction4%

“Effective on acne scars”

Suitability Dry Skin4%

“Great exfoliator”

Brightness/Shine/Glow3%

“Gives you a beautiful glow too”

Allergies2%

“No irritation”

Advertised Vs Actual Product2%

“As expected”

What buyers complain about

Allergies13%

“Cause rash”

Functionality-Overall9%

“Never worked”

Skin Health7%

“Caused Skin burn”

Moist/Dry6%

“it isn't moisturizing”

Smell5%

“Weird Scent”

Symptom Reduction5%

“Cant say I noticed much of an improvement”

Suitability Dry Skin4%

“WORST EVER, FOR DRY SKIN”

Size-Overall3%

“Bigger than expected”

Value For Money3%

“not worth the $”

Adhesion/Stickiness2%

“Not sticky”

Top return reasons

Functionality-Overall20%

Advertised Vs Actual Product12%

Size-Overall11%

Value For Money7%

Product Condition6%

Moist/Dry6%

Skin Health5%

Smell4%

Suitability Combination Skin4%

Defective Material/Parts4%

Common questions

Is the ordinary niacinamide profitable to sell on Amazon United States?: The niche generates $11.7M/yr across 18 tracked products. 90-day search growth is +0.7%. Flapen's verdict: Worth a look (51/100).
How competitive is the the ordinary niacinamide niche?: 1 brands and 4 sellers compete. The top 5 products take 66% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in the ordinary niacinamide?: Top complaints mined from reviews: Allergies, Functionality-Overall, Skin Health. The return rate is 0.3%.
When does demand for the ordinary niacinamide peak?: Demand peaks in Jan–Feb; the busiest month runs 2.3× the quietest.
What does it cost to enter the the ordinary niacinamide niche?: Listings span $5.86–$29.76; the average listing price is $13.81 (sweet spot $15–$100). The average incumbent carries 19,679 reviews — the moat a new listing must climb.