Is fiber gdx profitable to sell on Amazon United States?

The niche generates $1.5M/yr across 7 tracked products. 90-day search growth is -4.9%. Flapen's verdict: Worth a look (52/100).

How competitive is the fiber gdx niche?

3 brands and 11 sellers compete. The top 5 products take 95% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in fiber gdx?

Top complaints mined from reviews: Taste-Overall, Regulates Digestion, Functionality-Overall. The return rate is 0.0%.

When does demand for fiber gdx peak?

Demand peaks in Apr–May; the busiest month runs 2.8× the quietest.

What does it cost to enter the fiber gdx niche?

Listings span $16.92–$53.44; the average listing price is $34.89 (sweet spot $15–$100). The average incumbent carries 10,225 reviews — the moat a new listing must climb.

fiber gdx

Worth a look

Shows low returns (0.0%), but brand-locked demand (top 5 brands take 100% of clicks) keeps it on the watch list.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Incredible15.4%

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

Avg price

Incredible$34.89

avg listing price — sweet spot $15–$100

Price range

Incredible$16.92–$53.44

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

Market size

Great$1.5M

$1.5M/yr · 285K searches

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Growth

Bad-4.9%

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

Review moat

Bad10,225.43

avg incumbent reviews — the moat a new listing must climb

Competition

Bad95%

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, fiber gdx is a $1.5M/yr Amazon United States market (285K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Apr–May. Verdict: Worth a look — 52/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

fiber gdx market data

Units sold / yr: 40K–50K; avg 4,000–5,000/product
Revenue / yr: $1.4M–$1.7M; units × avg price
Conversion rate: 15.4%
Avg BSR: #104
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 64 months
Avg seller age: 155 days

Competition & brand share

The top 5 products capture 95% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 flat

Sellers

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

95%

Top 20: 100%

Open market

Pure for Men52%
THORNE45%
Pure Encapsulations3%
Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 99 weeks — -4.9% search growth over the last 90 days.

Peak months: Apr, May · busiest ÷ quietest = 2.8×

Open Trend

Top fiber gdx search terms

pure for men111K/yr -6.4%14.4% conv.
thorne fibermend42K/yr -2.2%20.5% conv.
thorne fiber32K/yr +0.5%13.1% conv.
stay ready for men15K/yr -8.2%12.4% conv.
pure for men stay ready17K/yr -31.3%13.5% conv.
pure men10K/yr +6.0%9.6% conv.
fibermend9K/yr +14.6%15.4% conv.
pure for men fiber7K/yr +33.8%7.4% conv.
pure fiber6K/yr -17.9%4.5% conv.
fibermend thorne powder5K/yr +17.0%21.4% conv.

All search terms

Top fiber gdx 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 7 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

THORNE - FiberMend - Prebiotic Fiber Powder to Help Maintain Regularity and Balanced GI Flora* - 11.6 Oz

THORNE$43.464.4★1,241 rev

Pure for Men Original Vegan Cleanliness Stay Ready Fiber Supplement | Helps Promote Digestive Regularity | Psyllium Husk Aloe Vera Chia Seeds Flaxseeds | Proprietary Formula | 120 Vegan Capsules

Pure for Men$29.764.5★17,327 rev

Pure for Men Original Cleanliness Stay Ready Fiber Supplement | Helps Promote Digestive Regularity | Psyllium Husk Aloe Vera Chia Seeds Flaxseeds | Proprietary Formula | 60 Vegan Capsules

Pure for Men$20.224.5★17,327 rev

Pure for Men Original Cleanliness Stay Ready Fiber Supplement | Helps Promote Digestive Regularity | Psyllium Husk Aloe Vera Chia Seeds Flaxseeds | Proprietary Formula | 240 Vegan Capsules

Pure for Men$53.444.5★17,327 rev

Pure for Men$45.854.5★17,327 rev

Newest

by launch date

Pure for Men$45.8517,327 rev

2y ago

Pure for Men Detox Supplement Reset | Promotes Digestive & Gut Health Helps Remove Toxins & Supports Immune System Colon Cleanse | 30 Capsules

Pure for Men$16.92783 rev

4y ago

Pure for Men Original Vegan Cleanliness Stay Ready Fiber Supplement | Helps Promote Digestive Regularity | Psyllium Husk Aloe Vera Chia Seeds Flaxseeds | Proprietary Formula | 120 Vegan Capsules

Pure for Men$29.7617,327 rev

7y ago

Pure for Men Original Cleanliness Stay Ready Fiber Supplement | Helps Promote Digestive Regularity | Psyllium Husk Aloe Vera Chia Seeds Flaxseeds | Proprietary Formula | 240 Vegan Capsules

Pure for Men$53.4417,327 rev

8y ago

Pure for Men Original Cleanliness Stay Ready Fiber Supplement | Helps Promote Digestive Regularity | Psyllium Husk Aloe Vera Chia Seeds Flaxseeds | Proprietary Formula | 60 Vegan Capsules

Pure for Men$20.2217,327 rev

8y ago

What buyers say about fiber gdx

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

What buyers love

Quality-Overall11%

“Good Quality Product”

Advertised Vs Actual Product10%

“Product is as advertised”

Efficiency10%

“Its been effective”

Nutritional Content9%

“is perfect with your protein shake”

Regulates Digestion6%

“Works great with bloating”

Ease Of Use4%

“Easy”

Cleansing4%

“It makes me feel so much clean”

Taste-Overall3%

“Doesnt taste bad”

Ease Of Chewing/Swallowing3%

“Very easy on the palate”

Ease Of Cleaning3%

“Clean as a slide-whistle”

What buyers complain about

Taste-Overall15%

“Disgusting taste”

Regulates Digestion9%

“Caused Bloating and Constipation”

Functionality-Overall9%

“Does not work”

Value For Money7%

“Not worth the price”

Nutritional Content6%

“Too much with the prebiotics”

Side Effects5%

“Caused stomach upset and bloating”

Pain Relief-Overall5%

“3 days using it triggered a pain in the right side”

Acid Regulator/Stomach Ache Relief4%

“This Thorne gives me the worst stomach ache”

Ease Of Chewing/Swallowing3%

“Hard to drink”

Ease Of Use2%

“didnt quite deliver on making things as smooth or effortless as expected”

Top return reasons

Taste-Overall20%

Advertised Vs Actual Product20%

Instructions/User Manual/Troubleshooting20%

Ingredients-Overall20%

Functionality-Overall20%

Common questions

Is fiber gdx profitable to sell on Amazon United States?: The niche generates $1.5M/yr across 7 tracked products. 90-day search growth is -4.9%. Flapen's verdict: Worth a look (52/100).
How competitive is the fiber gdx niche?: 3 brands and 11 sellers compete. The top 5 products take 95% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in fiber gdx?: Top complaints mined from reviews: Taste-Overall, Regulates Digestion, Functionality-Overall. The return rate is 0.0%.
When does demand for fiber gdx peak?: Demand peaks in Apr–May; the busiest month runs 2.8× the quietest.
What does it cost to enter the fiber gdx niche?: Listings span $16.92–$53.44; the average listing price is $34.89 (sweet spot $15–$100). The average incumbent carries 10,225 reviews — the moat a new listing must climb.