Is thesis profitable to sell on Amazon United States?

The niche generates $95K/yr across 12 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is -7.5%. Flapen's verdict: Skip it (46/100).

How competitive is the thesis niche?

11 brands and 37 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 83% of demand.

What do buyers complain about in thesis?

Top complaints mined from reviews: Value For Money, Side Effects, Functionality-Overall. The return rate is 0.0%.

When does demand for thesis peak?

Demand peaks in Aug–Sep–Nov; the busiest month runs 2.2× the quietest.

What does it cost to enter the thesis niche?

Listings span $14.48–$98.59; the average listing price is $44.51 (sweet spot $15–$100). The average incumbent carries 7,748 reviews — the moat a new listing must climb.

thesis

Skip it

A concentrated shelf (top 5 take 78% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$44.51

avg listing price — sweet spot $15–$100

Price range

Incredible$14.48–$98.59

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

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Conversion

Okay3.5%

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

Brand share

Okay83%

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

Market size

Bad$95K

$95K/yr · 62K searches

Review moat

Bad7,747.58

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-7.5%

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

Competition

Bad78%

top-5 click share — a locked-up shelf

Signals Low Review Barrier

According to Flapen's Amazon United States niche tracking, thesis is a $95K/yr Amazon United States market (62K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Aug–Sep–Nov. Verdict: Skip it — 46/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

thesis market data

Units sold / yr: 2K–2K; avg 100–250/product
Revenue / yr: $67K–$89K; units × avg price
Conversion rate: 3.5%
Avg BSR: #255
Page quality: 0%
Prime: 100%
Sponsored: 83%
Out of stock: 14.7%
Avg brand age: 54 months
Avg seller age: 153 days

Competition & brand share

The top 5 products capture 78% of clicks — a locked-up shelf that new listings rarely crack.

Brands

11 falling

Sellers

Top-5 brand share

83%

Top 20: 100%

Top-5 click share

78%

Top 20: 100%

Open market

13%

THESIS55%
Seed9%
Avantera8%
Life Extension6%
STASIS5%
The Genius Brand4%
Open — no brand owns it (5 brands, 13%)

Demand & seasonality

Weekly Amazon search volume, last 94 weeks — -7.5% search growth over the last 90 days.

Peak months: Aug, Sep, Nov · busiest ÷ quietest = 2.2×

Open Trend

Top thesis search terms

thesis supplement38K/yr -13.8%1.7% conv.
bromantane nootropic14K/yr -6.8%0.2% conv.
nootropic energy4K/yr +17.7%0.1% conv.
thesis nootropic3K/yr +45.0%1.1% conv.
thesis motivation supplement2K/yr -41.4%1.5% conv.
nootropicos n849/yr -78.6%0.0% conv.

All search terms

Top thesis 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 12 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

THESIS Stress Reset with Caffeine Supplement for Men & Women with Ashwagandha Vitamin D3 L Theanine & Saffron Kit with Glass Bottle & Refill Sachets Non GMO 25 Servings 1 Month Supply

THESIS$98.595.0★2 rev

Thesis Clarity - Focus Supplements with Nootropics for Daily Brain Support - Lions Mane & Alpha GPC to Support & Maintain Focus (24 Servings)

THESIS$95.084.0★81 rev

Seed AM-02 Energy + Focus - Daily Nootropic Supplement for Women & Men - Fast-Acting & Sustained Energy for Up to 6 Hours - Caffeine-Free Vegan & Shelf-Stable - 30 Capsules (30-Day Supply)

Seed$32.954.1★296 rev

Avantera Elevate Premium Nootropic Supplement - Beat Brain Fog - Best Focus Supplements for Memory & Focus Support - Energy Without Crash - 56 Count Pills for Women & Men*

Avantera$67.944.2★4,204 rev

Life Extension Quick Brain Nootropic Fast Thinking Learning Concentration Lutein zeaxanthin gotu kola bacopa Gluten Free Non-GMO Vegetarian 1 Daily 30 Capsules

Life Extension$14.484.3★855 rev

Newest

by launch date

Thesis Clarity - Focus Supplements with Nootropics for Daily Brain Support - Lions Mane & Alpha GPC to Support & Maintain Focus (24 Servings)

THESIS$95.0881 rev

2mo ago

THESIS Stress Reset with Caffeine Supplement for Men & Women with Ashwagandha Vitamin D3 L Theanine & Saffron Kit with Glass Bottle & Refill Sachets Non GMO 25 Servings 1 Month Supply

THESIS$98.592 rev

4mo ago

The Genius Brand Genius Mood+Focus - Nootropic Supplement with Organic Lions Mane Alpha GPC & More for Brain Health - Memory Support & Focus Support - Non-GMO - 90 Veggie Capsules

The Genius Brand$22.8453 rev

7mo ago

Seed AM-02 Energy + Focus - Daily Nootropic Supplement for Women & Men - Fast-Acting & Sustained Energy for Up to 6 Hours - Caffeine-Free Vegan & Shelf-Stable - 30 Capsules (30-Day Supply)

Seed$32.95296 rev

10mo ago

Cata-Kor Liposomal NAD+ Supplement with Resveratrol Advanced NAD Resveratrol

Cata-Kor$39.235,005 rev

1y ago

What buyers say about thesis

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

What buyers love

Focus Enhancement22%

“Focus Supplement”

Quality-Overall16%

“Good results”

Energy Level12%

“More energy”

Efficiency6%

“This works fast”

Vitamin4%

“Really great supplement”

Side Effects4%

“Its super effective in decreasing the site effects”

Value For Money4%

“Good value for the money”

Sleep Quality3%

“I sleep better”

Advertised Vs Actual Product2%

“Works as advertised :”

Ease Of Use2%

“Easy to use”

What buyers complain about

Value For Money16%

“Not worth it”

Side Effects11%

“Made me feel nauseous”

Functionality-Overall10%

“Not effective”

Dosage6%

“after researching it that is too high a dose”

Energy Level5%

“Doesnt give any type of energyof for me though”

Acid Regulator/Stomach Ache Relief4%

“Because my stomach reacts”

Sleep Quality3%

“I could not sleep”

Stress/Anxiety3%

“Unfortunately gave me terrible anxiety”

Ingredients-Overall3%

“without added unhealthy ingredients”

Focus Enhancement2%

“I dont feel like it really helps me focus that much”

Top return reasons

Functionality-Overall36%

Advertised Vs Actual Product17%

Sleep Quality10%

Focus Enhancement10%

Side Effects7%

Ease Of Use5%

Value For Money5%

Product Condition5%

Regulates Digestion5%

Acid Regulator/Stomach Ache Relief2%

Common questions

Is thesis profitable to sell on Amazon United States?: The niche generates $95K/yr across 12 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is -7.5%. Flapen's verdict: Skip it (46/100).
How competitive is the thesis niche?: 11 brands and 37 sellers compete. The top 5 products take 78% of clicks and top 5 brands hold 83% of demand.
What do buyers complain about in thesis?: Top complaints mined from reviews: Value For Money, Side Effects, Functionality-Overall. The return rate is 0.0%.
When does demand for thesis peak?: Demand peaks in Aug–Sep–Nov; the busiest month runs 2.2× the quietest.
What does it cost to enter the thesis niche?: Listings span $14.48–$98.59; the average listing price is $44.51 (sweet spot $15–$100). The average incumbent carries 7,748 reviews — the moat a new listing must climb.