Is beta glucan profitable to sell on Amazon United States?

The niche generates $1.1M/yr across 6 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +5.1%. Flapen's verdict: Worth a look (50/100).

How competitive is the beta glucan niche?

4 brands and 25 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in beta glucan?

Top complaints mined from reviews: Moist/Dry, Allergies, Adhesion/Stickiness. The return rate is 1.2%.

When does demand for beta glucan peak?

Demand peaks in Jun–Jul; the busiest month runs 1.9× the quietest.

What does it cost to enter the beta glucan niche?

Listings span $14.01–$27.47; the average listing price is $19.23 (sweet spot $15–$100). The average incumbent carries 1,003 reviews — the moat a new listing must climb.

beta glucan

Worth a look

Shows low returns (1.2%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Returns

Great1.2%

return rate — above 5% kills the launch gate

Price range

Great$14.01–$27.47

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

Avg price

Great$19.23

avg listing price — sweet spot $15–$100

Conversion

Great8.3%

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

Market size

Great$1.1M

$1.1M/yr · 682K searches

Review moat

Good1,002.5

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Okay+5.1%

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

Competition

Bad96%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, beta glucan is a $1.1M/yr Amazon United States market (682K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jun–Jul. Verdict: Worth a look — 50/100.

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

beta glucan market data

Units sold / yr: 60K–80K; avg 10,000–12,500/product
Revenue / yr: $1.2M–$1.5M; units × avg price
Conversion rate: 8.3%
Avg BSR: #777
Page quality: 0%
Prime: 100%
Sponsored: 83%
Out of stock: 0.0%
Avg brand age: 63 months
Avg seller age: 140 days

Competition & brand share

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

Brands

4 falling

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

96%

Top 20: 100%

Open market

IUNIK80%
NOW Foods12%
Zazzee4%
Nutricost4%
Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +5.1% search growth over the last 90 days.

Peak months: Jun, Jul · busiest ÷ quietest = 1.9×

Open Trend

Top beta glucan search terms

beta glucan164K/yr +34.6%5.0% conv.
iunik beta glucan serum157K/yr -8.5%13.8% conv.
iunik101K/yr +24.3%2.9% conv.
beta glucan serum97K/yr -21.5%10.0% conv.
beta glucan supplements34K/yr +5.8%4.0% conv.
beta glucan fiber14K/yr +416.8%0.6% conv.
iunik beta glucan20K/yr -26.8%7.3% conv.
oat beta glucan9K/yr +40.8%0.5% conv.
beta-glucan8K/yr +50.2%2.9% conv.
beta glucans10K/yr +1.8%6.0% conv.

All search terms

Top beta glucan 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

IUNIK Beta-Glucan Power Moisture Serum Beta-Glucan & 7 Types of Peptides Deep Hydration Vegan Serum for Dry Mature & Sensitive Skin Korean Skincare 50ml / 1.69 fl oz

IUNIK$17.974.5★2,471 rev

NOW Foods Supplements Beta-Glucans with ImmunEnhancer with Larch Arabinogalactan Extra Strength 60 Veg Capsules

NOW Foods$14.014.6★1,618 rev

IUNIK Beta-Glucan Barrier Milky Toner Essence Beta-Glucan & 7 Types of Peptides Milky Toner for Deep Hydration & Skin Barrier Care Korean Skincare for Sensitive & Dry Skin 200ml / 6.7 fl oz

IUNIK$24.114.4★68 rev

IUNIK Beta-Glucan Daily Moisture Cream Beta-Glucan & Centella Lightweight Vegan Moisturizer for Deep Hydration & Skin Barrier Care Korean Skincare for Dry & Sensitive Skin 60ml / 2.02 fl oz

IUNIK$15.334.6★1,141 rev

Zazzee Extra Strength 1 3/1 6 Beta Glucans 1000 mg 100% Concentrated 90 Vegan Capsules Supports a Healthy Immune System 100% Vegetarian All-Natural and Non-GMO

Zazzee$27.474.4★378 rev

Newest

by launch date

IUNIK Beta-Glucan Barrier Milky Toner Essence Beta-Glucan & 7 Types of Peptides Milky Toner for Deep Hydration & Skin Barrier Care Korean Skincare for Sensitive & Dry Skin 200ml / 6.7 fl oz

IUNIK$24.1168 rev

7mo ago

Zazzee Extra Strength 1 3/1 6 Beta Glucans 1000 mg 100% Concentrated 90 Vegan Capsules Supports a Healthy Immune System 100% Vegetarian All-Natural and Non-GMO

Zazzee$27.47378 rev

4y ago

Nutricost Beta Glucan 500mg 1 3/1 6 D-Glucan 60 Vegetarian Capsules - Gluten Free Non-GMO

Nutricost$16.50339 rev

6y ago

IUNIK Beta-Glucan Power Moisture Serum Beta-Glucan & 7 Types of Peptides Deep Hydration Vegan Serum for Dry Mature & Sensitive Skin Korean Skincare 50ml / 1.69 fl oz

IUNIK$17.972,471 rev

7y ago

IUNIK Beta-Glucan Daily Moisture Cream Beta-Glucan & Centella Lightweight Vegan Moisturizer for Deep Hydration & Skin Barrier Care Korean Skincare for Dry & Sensitive Skin 60ml / 2.02 fl oz

IUNIK$15.331,141 rev

7y ago

What buyers say about beta glucan

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

What buyers love

Moist/Dry29%

“Super hydrating”

Suitability Dry Skin12%

“Great product for dry skin”

Suitability Combination Skin8%

“And it has worked wonders on my skin”

Value For Money5%

“Good price”

Quality-Overall4%

“such have perfect quality for how inexpensive this serum is”

Suitability Oily Skin4%

“Oily skin friendly”

Absorbency3%

“Absorbs nicely”

Soft Feel3%

“Glides on smoothly”

Weight Light2%

“Its ver gel like very lightweight”

Immunity Booster2%

“Important immune system supplement”

What buyers complain about

Moist/Dry11%

“Not hydrating”

Allergies10%

“Allergic Reaction”

Adhesion/Stickiness8%

“Icky sticky”

Suitability Dry Skin7%

“Would not use if you have sensitive skin”

Thickness5%

“This essence is thick”

Sensitivity-Overall5%

“Tacky feeling and burned sensitive skin”

Product Condition3%

“the product came open as if they sent me a return that somebody sent back I've never had that before”

Ingredients-Overall3%

“Formulation has changed”

Suitability Combination Skin2%

“Not good for sensitive skin”

Suitability Winter Weather2%

“Im usually fighting all winter long to keep the dry patches”

Top return reasons

Functionality-Overall13%

Moist/Dry13%

Texture/Consistency-Overall8%

Advertised Vs Actual Product8%

Value For Money7%

Adhesion/Stickiness6%

Skin Health5%

Suitability Dry Skin5%

Suitability Combination Skin4%

Product Condition4%

Common questions

Is beta glucan profitable to sell on Amazon United States?: The niche generates $1.1M/yr across 6 tracked products. 1 of 1 products launched in the last 360 days are still selling. 90-day search growth is +5.1%. Flapen's verdict: Worth a look (50/100).
How competitive is the beta glucan niche?: 4 brands and 25 sellers compete. The top 5 products take 96% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in beta glucan?: Top complaints mined from reviews: Moist/Dry, Allergies, Adhesion/Stickiness. The return rate is 1.2%.
When does demand for beta glucan peak?: Demand peaks in Jun–Jul; the busiest month runs 1.9× the quietest.
What does it cost to enter the beta glucan niche?: Listings span $14.01–$27.47; the average listing price is $19.23 (sweet spot $15–$100). The average incumbent carries 1,003 reviews — the moat a new listing must climb.