Is niacinamide serum profitable to sell on Amazon United States?

The niche generates $10.9M/yr across 6 tracked products. 90-day search growth is -0.7%. Flapen's verdict: Worth a look (51/100).

How competitive is the niacinamide serum niche?

6 brands and 13 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 96% of demand.

What do buyers complain about in niacinamide serum?

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

When does demand for niacinamide serum peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the niacinamide serum niche?

Listings span $5.86–$47.48; the average listing price is $18.27 (sweet spot $15–$100). The average incumbent carries 20,911 reviews — the moat a new listing must climb.

niacinamide serum

Worth a look

Shows a $10.9M/yr market, but a concentrated shelf (top 5 take 96% of clicks) keeps it on the watch list.

Market size

Incredible$10.9M

$10.9M/yr · 4.9M searches

Returns

Incredible0.3%

return rate — above 5% kills the launch gate

Conversion

Incredible12.1%

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

Avg price

Great$18.27

avg listing price — sweet spot $15–$100

Price range

Great$5.86–$47.48

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-0.7%

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

Review moat

Bad20,910.67

avg incumbent reviews — the moat a new listing must climb

Brand share

Bad96%

top-5 brand share — brand-locked demand

Competition

Bad96%

top-5 click share — a locked-up shelf

According to Flapen's Amazon United States niche tracking, niacinamide serum is a $10.9M/yr Amazon United States market (4.9M searches/yr). The top 5 brands hold 96% of demand. Verdict: Worth a look — 51/100.

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

niacinamide serum market data

Units sold / yr: 600K–800K; avg 100,000–125,000/product
Revenue / yr: $11.0M–$14.6M; units × avg price
Conversion rate: 12.1%
Avg BSR: #50
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 48 months
Avg seller age: 119 days

Competition & brand share

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

Brands

6 rising

Sellers

Top-5 brand share

96%

Top 20: 100%

Top-5 click share

96%

Top 20: 100%

Open market

The Ordinary63%
Good Molecules19%
ANUA6%
Paula's Choice5%
Nutricost4%
Naturium4%
Open — no brand owns it (0%)

Demand & seasonality

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

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top niacinamide serum search terms

niacinamide serum2.0M/yr -0.4%8.3% conv.
niacinamide1.0M/yr -8.0%5.7% conv.
the ordinary niacinamide561K/yr -5.5%10.5% conv.
ordinary niacinamide serum305K/yr -5.8%11.3% conv.
niacinamide serum for face244K/yr +13.9%6.1% conv.
the ordinary niacinamide 10% + zinc 1%143K/yr +14.2%8.3% conv.
good molecules niacinamide serum139K/yr -1.6%10.3% conv.
niacinamida91K/yr +20.1%2.3% conv.
niacinamide oil53K/yr +57.3%2.5% conv.
ordinary niacinamide52K/yr +2.9%14.9% conv.

All search terms

Top niacinamide serum 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

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

The Ordinary$5.864.7★60,215 rev

Good Molecules Niacinamide Serum - 10% Niacinamide to Target Blemishes Nourishment and Skin Tone - Ultra Hydrating Serum and Brightening Skin Care for Face

Good Molecules$6.014.6★11,090 rev

Anua Niacinamide 10 + TXA 4 Serum Dark Spot Care Hyaluronic Acid Tranexamic Acid Lightweight & Hydrating All-in-One Daily Facial Serum for Glass Skin Korean Skincare 1.01 fl.oz

ANUA$19.424.5★15,933 rev

Paulas Choice CLINICAL 20% Niacinamide Vitamin B3 Concentrated Face Serum Anti-Aging Serum for Face Treatment for Discoloration & Minimizing Large Pores Fragrance-Free 0.67oz

Paula's Choice$47.484.5★2,041 rev

Nutricost Niacinamide (Vitamin B3) 500mg 240 Capsules - Non-GMO Gluten Free Flush Free Vitamin B3

Nutricost$14.684.6★19,967 rev

Newest

by launch date

Anua Niacinamide 10 + TXA 4 Serum Dark Spot Care Hyaluronic Acid Tranexamic Acid Lightweight & Hydrating All-in-One Daily Facial Serum for Glass Skin Korean Skincare 1.01 fl.oz

ANUA$19.4215,933 rev

2y ago

Good Molecules Niacinamide Serum - 10% Niacinamide to Target Blemishes Nourishment and Skin Tone - Ultra Hydrating Serum and Brightening Skin Care for Face

Good Molecules$6.0111,090 rev

5y ago

Paulas Choice CLINICAL 20% Niacinamide Vitamin B3 Concentrated Face Serum Anti-Aging Serum for Face Treatment for Discoloration & Minimizing Large Pores Fragrance-Free 0.67oz

Paula's Choice$47.482,041 rev

6y ago

Naturium Niacinamide Face Serum 12% Plus Zinc 2% Anti-Aging Pore Minimizer & Dark Spot Corrector with Hyaluronic Acid & Vitamin E Vegan & Cruelty-Free 1 oz

Naturium$16.1516,218 rev

6y ago

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

The Ordinary$5.8660,215 rev

9y ago

What buyers say about niacinamide serum

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

What buyers love

Suitability Combination Skin18%

“improved my skin texture”

Quality-Overall15%

“Plus, its very affordable for the quality you get”

Value For Money9%

“Excellent price”

Moist/Dry6%

“dries fast”

Soft Feel5%

“Goes on smooth”

Brightness/Shine/Glow5%

“Gives my face a nice glow”

Symptom Reduction4%

“Very good for acne scars”

Suitability Dry Skin4%

“Really is the best stuff for dry, mature skin”

Absorbency3%

“absorbs beautifully”

Suitability Oily Skin3%

“Good for Oily Skin”

What buyers complain about

Allergies14%

“Irritated my skin”

Skin Health9%

“Burns My Skin”

Functionality-Overall9%

“Not effective so far”

Adhesion/Stickiness7%

“Other reviews say it is not sticky”

Moist/Dry4%

“No hydration at all”

Symptom Reduction4%

“didnt see a difference after using”

Value For Money3%

“Waste of money”

Suitability Combination Skin3%

“I dont recommend it if you have combination skin”

Smell3%

“there is no fragrance”

Durability2%

“break out worse then ever”

Top return reasons

Functionality-Overall16%

Value For Money11%

Advertised Vs Actual Product11%

Adhesion/Stickiness7%

Skin Health7%

Leak-Proof5%

Suitability Combination Skin4%

Product Condition4%

Texture/Consistency-Overall3%

Moist/Dry3%

Common questions

Is niacinamide serum profitable to sell on Amazon United States?: The niche generates $10.9M/yr across 6 tracked products. 90-day search growth is -0.7%. Flapen's verdict: Worth a look (51/100).
How competitive is the niacinamide serum niche?: 6 brands and 13 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 96% of demand.
What do buyers complain about in niacinamide serum?: Top complaints mined from reviews: Allergies, Skin Health, Functionality-Overall. The return rate is 0.3%.
When does demand for niacinamide serum peak?: Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the niacinamide serum niche?: Listings span $5.86–$47.48; the average listing price is $18.27 (sweet spot $15–$100). The average incumbent carries 20,911 reviews — the moat a new listing must climb.