Is vial holder profitable to sell on Amazon United States?

The niche generates $1.2M/yr across 74 tracked products. 32 of 52 products launched in the last 360 days are still selling. 90-day search growth is +59.4%. Flapen's verdict: Launch it (73/100).

How competitive is the vial holder niche?

38 brands and 44 sellers compete. The top 5 products take 27% of clicks and top 5 brands hold 40% of demand.

What do buyers complain about in vial holder?

Top complaints mined from reviews: Size-Overall, Smell, Durability. The return rate is 1.7%.

When does demand for vial holder peak?

Demand peaks in Feb–May–Jun; the busiest month runs 3.0× the quietest.

What does it cost to enter the vial holder niche?

Listings span $4.11–$30.13; the average listing price is $13.56 (sweet spot $15–$100). The average incumbent carries 194 reviews — the moat a new listing must climb.

vial holder

Launch it

A $1.2M/yr market growing +59.4% this quarter with returns at 1.7% — clears our launch bar.

Brand share

Incredible40%

top-5 brand share — no brand owns this niche

Review moat

Great194.24

avg incumbent reviews — the moat a new listing must climb

Competition

Great27%

top-5 click share — an open shelf

Market size

Great$1.2M

$1.2M/yr · 1.9M searches

Returns

Great1.7%

return rate — above 5% kills the launch gate

Growth

Good+59.4%

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

Avg price

Good$13.56

avg listing price — sweet spot $15–$100

Price range

Good$4.11–$30.13

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

Conversion

Good4.7%

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

Quality gap

Bad4.6★

avg incumbent rating — lower means beatable quality

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, vial holder is a $1.2M/yr Amazon United States market (1.9M searches/yr). The top 5 brands hold 40% of demand. Demand peaks in Feb–May–Jun. Verdict: Launch it — 73/100.

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

vial holder market data

Units sold / yr: 80K–100K; avg 1,250–1,500/product
Revenue / yr: $1.1M–$1.4M; units × avg price
Conversion rate: 4.7%
Avg BSR: #136
Page quality: 0%
Prime: 100%
Sponsored: 96%
Out of stock: 5.1%
Avg brand age: 30 months
Avg seller age: 163 days

Competition & brand share

Clicks spread well past the top 5 (27% combined) — an open shelf where new products get seen.

Brands

38 rising

Sellers

Top-5 brand share

40%

Top 20: 88%

Top-5 click share

27%

Top 20: 64%

Open market

55%

Moyite11%
Krypthos9%
MiloZen7%
vamctry7%
Generic7%
Mazentrix6%

Demand & seasonality

Weekly Amazon search volume, last 71 weeks — +59.4% search growth over the last 90 days.

Peak months: Feb, May, Jun · busiest ÷ quietest = 3.0×

Open Trend

Top vial holder search terms

peptide case for fridge534K/yr +238.0%4.8% conv.
peptide case639K/yr -5.8%3.5% conv.
vial case for fridge56K/yr +252.4%4.2% conv.
vial case77K/yr +30.1%2.6% conv.
vial holder137K/yr -30.4%2.9% conv.
peptide storage68K/yr +33.5%2.3% conv.
peptide vial case50K/yr +79.7%2.9% conv.
peptide accessories40K/yr +108.0%0.9% conv.
peptides case36K/yr +99.4%2.9% conv.
peptide storage case52K/yr +1.1%3.2% conv.

All search terms

Top vial holder 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Krypthos 10 Slots Insulin Vial Protector Case Insulin Vial Organizer Bag for Diabetics Standard 1ml 3ml 5ml and 10ml Vials Insulin Carrying Case Fridge Holder Storage Holder No Ice Pack

Krypthos$13.964.8★430 rev

MiloZen Peptide Case for Fridge 20 Vials Holder Fits 1ml 3ml 5ml 10ml Vials Storage Not Fit Tall 10ml Vial Diabetes Medication Organizer with Strap Black Only

MiloZen$15.024.8★161 rev

Vamctry Peptide Case for Fridge 12 Slots Insulin Vial Protector Organizer Bag Peptide Vial Storage Case for 1ml 3ml 5ml 10ml Vials Diabetes Insulin Carrying Case

vamctry$10.864.8★152 rev

suzamed Insulin Cooler Travel Case EVA Insulation Travel Medicine Kit with 2 Ice Packs for Diabetes Care Insulin Pen and Other Diabetic Supplies (Purple)

suzamed$9.704.6★2,755 rev

SMYV Insulin Vial Holder Storage Case for Fridge Peptide Case Fits Standard 10ml U-100 Vials 9 Slots

SMYV$9.614.7★158 rev

Newest

by launch date

Vamctry 10 Slots Peptide Case for Fridge Vial Storage Case for 1ml 3ml 5ml 10ml 30ml Vials Insulin Vial Protector Organizer Bag for Diabetic Medication

vamctry$11.43104 rev

2mo ago

3/5/10ML Peptide Case 15-Slot Peptide Organizer with Mesh Pocket Fits 3ml 5ml and 10ml Vials Bottles Peptide Storage Case for Fridge (Bag Only)

Fukumi$11.7932 rev

5mo ago

Leng Ke 10-Slot Peptide Case for Fridge 3ml Vial Storage Case for Refrigerator Transparent Box for 1-3ml Glass Vials Secure 3ml Insulin Vial Holder for Diabetic Care

LengKe$5.9866 rev

6mo ago

Avomosk 17 Slots Dual-Size 30ml and 3ml Peptide Case BAC Water and Insulin Vial Case Peptide Storage Case for Fridge and Travel Fits Standard Vials (Case Only)

Avomosk$20.7345 rev

7mo ago

SMYV Insulin Vial Holder Storage Case for Fridge Peptide Case Fits Standard 10ml U-100 Vials 9 Slots

SMYV$9.61158 rev

9mo ago

What buyers say about vial holder

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

What buyers love

Size-Overall13%

“Fits perfectly”

Quality-Overall12%

“Decent build quality”

Portability7%

“Portable and convenient”

Storage Capacity7%

“easy to store”

Advertised Vs Actual Product6%

“As advertised”

Strength6%

“Strong closure”

Value For Money5%

“Great Buy”

Ease Of Use5%

“easy to carry”

Durability4%

“case is durable”

Organizing Capabilities3%

“Easy, organized”

What buyers complain about

Size-Overall18%

“A little bulky”

Smell10%

“Chemical Smell”

Durability4%

“I cant speak to long term durability”

Quality-Overall3%

“LOW QUALITY”

Storage Capacity2%

“I just wish there was more room”

Water Resistance2%

“Not sure about its water resistance”

Advertised Vs Actual Product2%

“Not as described in description”

Value For Money2%

“not really good enough considering the price”

Strength2%

“Flimsy”

Weight Heavy2%

“heavier”

Top return reasons

Size-Overall71%

Advertised Vs Actual Product7%

Weight Heavy5%

Smell2%

Functionality-Overall2%

Quality-Overall1%

Compartment1%

Value For Money1%

Zipper Quality1%

Compatibility-Overall1%

Common questions

Is vial holder profitable to sell on Amazon United States?: The niche generates $1.2M/yr across 74 tracked products. 32 of 52 products launched in the last 360 days are still selling. 90-day search growth is +59.4%. Flapen's verdict: Launch it (73/100).
How competitive is the vial holder niche?: 38 brands and 44 sellers compete. The top 5 products take 27% of clicks and top 5 brands hold 40% of demand.
What do buyers complain about in vial holder?: Top complaints mined from reviews: Size-Overall, Smell, Durability. The return rate is 1.7%.
When does demand for vial holder peak?: Demand peaks in Feb–May–Jun; the busiest month runs 3.0× the quietest.
What does it cost to enter the vial holder niche?: Listings span $4.11–$30.13; the average listing price is $13.56 (sweet spot $15–$100). The average incumbent carries 194 reviews — the moat a new listing must climb.