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65

weight loss

Worth a look

Shows a $9.0M/yr market, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 100Growth 20Conversion 27Competition 56Returns 95Price range 88Avg price 95Brand share 75Review moat 16Quality gap 86

Market size

Incredible$9.0M

$9.0M/yr · 13.5M searches

Returns

Incredible0.9%

return rate — above 5% kills the launch gate

Avg price

Incredible$30.26

avg listing price — sweet spot $15–$100

Price range

Great$7.70–$90.34

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

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Brand share

Great60%

top-5 brand share — no brand owns this niche

Competition

Good52%

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

Conversion

Okay2.2%

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

Growth

Bad-10.5%

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

Review moat

Bad21,218.04

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, weight loss is a $9.0M/yr Amazon United States market (13.5M searches/yr). The top 5 brands hold 60% of demand. Demand peaks in Mar–Apr. Verdict: Worth a look — 65/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

weight loss market data

Units sold / yr
300K–400K
avg 4,000–5,000/product
Revenue / yr
$9.1M–$12.1M
units × avg price
Conversion rate
2.2%
Avg BSR
#40
Page quality
0%
Prime
100%
Sponsored
96%
Out of stock
5.0%
Avg brand age
61 months
Avg seller age
137 days

Competition & brand share

The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 falling

Sellers

86

Top-5 brand share

60%

Top 20: 100%

Top-5 click share

52%

Top 20: 95%

Open market

34%

  • ZELUS25%
  • Lemme12%
  • Etta Vita8%
  • JKSHMYT8%
  • OLLY7%
  • alli6%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -10.5% search growth over the last 90 days.
700K500KPrime Day '24Spike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Mar, Apr · busiest ÷ quietest = 2.1×

Top weight loss search terms

  • weight loss4.6M/yr
  • appetite suppressant1.2M/yr
  • weight loss pills for women1.2M/yr
  • weight loss pills949K/yr
  • appetite suppressant for weight loss819K/yr
  • weight loss supplement738K/yr
  • pastillas para bajar de peso rapido589K/yr
  • diet pills545K/yr
  • weight loss for women523K/yr
  • weightloss292K/yr
All search terms

Top weight loss 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.

0%10%$900K20%$1.8M30%$2.7M40%$3.6M1001K10K100K1.0M Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about weight loss

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

What buyers love

Taste-Overall14%

“have no unpleasant taste”

Weight Loss12%

“it has helped me a lot with my weight loss”

Quality-Overall9%

“Overall great product for your money”

Energy Level7%

“good energy”

Ease Of Use4%

“Easy to Take”

Nutritional Content4%

“Excellent dietary supplement”

Value For Money3%

“Fairly priced”

Regulates Digestion3%

“Digestive support”

Efficiency3%

“Works Well”

Advertised Vs Actual Product3%

“As described”

What buyers complain about

Functionality-Overall18%

“DOESNT WORK”

Weight Loss12%

“doesnt work for weight loss”

Side Effects5%

“Extreme side effects”

Value For Money5%

“Too expensive”

Taste-Overall4%

“Did not like taste”

Acid Regulator/Stomach Ache Relief4%

“a LOT of bloating”

Dosage3%

“Just awful and only one dose”

Nutritional Content2%

“I literally have to force myself to eat”

Leak-Proof2%

“The bottle was leaking”

Size-Overall2%

“way too small”

Top return reasons

Weight Heavy43%
Size-Overall28%
Comfort-Overall6%
Advertised Vs Actual Product4%
Value For Money4%
Weight Light3%
Functionality-Overall2%
Strap/String Quality1%
Pain Relief-Overall1%
Adjustability/Rotatability/Reclining1%

Common questions

Is weight loss profitable to sell on Amazon United States?
The niche generates $9.0M/yr across 24 tracked products. 7 of 7 products launched in the last 360 days are still selling. 90-day search growth is -10.5%. Flapen's verdict: Worth a look (65/100).
How competitive is the weight loss niche?
17 brands and 86 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 60% of demand.
What do buyers complain about in weight loss?
Top complaints mined from reviews: Functionality-Overall, Weight Loss, Side Effects. The return rate is 0.9%.
When does demand for weight loss peak?
Demand peaks in Mar–Apr; the busiest month runs 2.1× the quietest.
What does it cost to enter the weight loss niche?
Listings span $7.70–$90.34; the average listing price is $30.26 (sweet spot $15–$100). The average incumbent carries 21,218 reviews — the moat a new listing must climb.