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67

supplements

Worth a look

Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 94Growth 21Conversion 46Competition 96Returns 100Price range 85Avg price 88Brand share 87Review moat 12Quality gap 30

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Competition

Incredible18%

top-5 click share — an open shelf

Market size

Great$1.9M

$1.9M/yr · 2.6M searches

Avg price

Great$20.21

avg listing price — sweet spot $15–$100

Brand share

Great48%

top-5 brand share — no brand owns this niche

Price range

Great$4.84–$85.45

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

Conversion

Okay3.7%

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

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Growth

Bad-8.6%

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

Review moat

Bad27,745.66

avg incumbent reviews — the moat a new listing must climb

According to Flapen's Amazon United States niche tracking, supplements is a $1.9M/yr Amazon United States market (2.6M searches/yr). The top 5 brands hold 48% of demand. Demand peaks in Jan. Verdict: Worth a look — 67/100.

Data updated Jul 28, 2026 · scored weekly · How we score niches

supplements market data

Units sold / yr
100K–125K
avg 750–1,000/product
Revenue / yr
$2.0M–$2.5M
units × avg price
Conversion rate
3.7%
Avg BSR
#56
Page quality
0%
Prime
100%
Sponsored
91%
Out of stock
0.5%
Avg brand age
63 months
Avg seller age
137 days

Competition & brand share

Clicks spread well past the top 5 (18% combined) — an open shelf where new products get seen.

Brands

59 rising

Sellers

889

Top-5 brand share

48%

Top 20: 77%

Top-5 click share

18%

Top 20: 44%

Open market

48%

  • Vitafusion23%
  • Nature's Bounty9%
  • OLLY5%
  • Sports Research5%
  • Amazon Basics5%
  • Nutricost4%

Demand & seasonality

Weekly Amazon search volume, last 78 weeks — -8.6% search growth over the last 90 days.
90K70KPrime Day '25Spike '25Spike '26FebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJunJul

Peak months: Jan · busiest ÷ quietest = 1.6×

Top supplements search terms

  • supplements896K/yr
  • supplements for men165K/yr
  • vitafusion166K/yr
  • vitamin gummies160K/yr
  • supplement130K/yr
  • womens health103K/yr
  • mens supplement86K/yr
  • fsa vitamins approved88K/yr
  • fsa vitamins103K/yr
  • fsa eligible vitamins101K/yr
All search terms

Top supplements 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%2%$39K4%$78K6%$117K8%$155K1001K10K100K1.0M 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 supplements

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

What buyers love

Quality-Overall14%

“Best quality”

Taste-Overall13%

“no funky taste”

Vitamin9%

“Great tasting vitamin”

Value For Money6%

“They are affordable”

Hair Growth4%

“Less hair loss”

Advertised Vs Actual Product4%

“AS ADVERTISED”

Efficiency4%

“WORKS WELL”

Nutritional Content3%

“Easy nutrition”

Sleep Quality3%

“Great for sleeping”

Energy Level3%

“Gave me energy”

What buyers complain about

Taste-Overall10%

“tasted funny”

Functionality-Overall7%

“No Results”

Value For Money7%

“Really expensive”

Side Effects4%

“Bad Side effects”

Smell4%

“Smells like fish”

Dosage3%

“Misleading dosage”

Vitamin3%

“Most awful vitamins EVER”

Acid Regulator/Stomach Ache Relief3%

“Made me very bloated”

Size-Overall2%

“THEY ARE HUGE”

Ease Of Chewing/Swallowing2%

“Difficult to chew”

Top return reasons

Value For Money18%
Functionality-Overall17%
Advertised Vs Actual Product11%
Side Effects9%
Smell6%
Size-Overall5%
Defective Material/Parts3%
Damage/Burn Hair3%
Certifications3%
Product Condition2%

Common questions

Is supplements profitable to sell on Amazon United States?
The niche generates $1.9M/yr across 121 tracked products. 3 of 3 products launched in the last 360 days are still selling. 90-day search growth is -8.6%. Flapen's verdict: Worth a look (67/100).
How competitive is the supplements niche?
59 brands and 889 sellers compete. The top 5 products take 18% of clicks and top 5 brands hold 48% of demand.
What do buyers complain about in supplements?
Top complaints mined from reviews: Taste-Overall, Functionality-Overall, Value For Money. The return rate is 0.0%.
When does demand for supplements peak?
Demand peaks in Jan; the busiest month runs 1.6× the quietest.
What does it cost to enter the supplements niche?
Listings span $4.84–$85.45; the average listing price is $20.21 (sweet spot $15–$100). The average incumbent carries 27,746 reviews — the moat a new listing must climb.