Is supplemental nursing system profitable to sell on Amazon United States?

The niche generates $238K/yr across 14 tracked products. 2 of 3 products launched in the last 360 days are still selling. 90-day search growth is +0.5%. Flapen's verdict: Skip it (45/100).

How competitive is the supplemental nursing system niche?

8 brands and 17 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 96% of demand.

What do buyers complain about in supplemental nursing system?

Top complaints mined from reviews: Value For Money, Ease Of Use, Functionality-Overall. The return rate is 7.2% — above our launch gate.

When does demand for supplemental nursing system peak?

Demand is steady year-round — the busiest month runs 1.7× the quietest.

What does it cost to enter the supplemental nursing system niche?

Listings span $10.75–$59.64; the average listing price is $36.61 (sweet spot $15–$100). The average incumbent carries 702 reviews — the moat a new listing must climb.

supplemental nursing system

Skip it

Brand-locked demand (top 5 brands take 96% of clicks) — this niche doesn't clear our bar today.

Quality gap

Incredible3.9★

avg incumbent rating — lower means beatable quality

Avg price

Incredible$36.61

avg listing price — sweet spot $15–$100

Price range

Great$10.75–$59.64

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

Review moat

Good701.71

avg incumbent reviews — the moat a new listing must climb

Conversion

Good5.1%

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

Market size

Okay$238K

$238K/yr · 126K searches

Growth

Okay+0.5%

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

Competition

Bad74%

top-5 click share — a locked-up shelf

Returns

Bad7.2%

return rate — above 5% kills the launch gate

Brand share

Bad96%

top-5 brand share — brand-locked demand

Signals Quality Gap High Returns

According to Flapen's Amazon United States niche tracking, supplemental nursing system is a $238K/yr Amazon United States market (126K searches/yr). The top 5 brands hold 96% of demand. Verdict: Skip it — 45/100.

Data updated Jul 12, 2026 · scored weekly · How we score niches

supplemental nursing system market data

Units sold / yr: 5K–6K; avg 250–500/product
Revenue / yr: $183K–$220K; units × avg price
Conversion rate: 5.1%
Avg BSR: #393
Page quality: 0%
Prime: 93%
Sponsored: 36%
Out of stock: 16.2%
Avg brand age: 44 months
Avg seller age: 147 days

Competition & brand share

The top 5 products capture 74% of clicks — a locked-up shelf that new listings rarely crack.

Brands

8 rising

Sellers

Top-5 brand share

96%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

Medela46%
haakaa33%
Silverette11%
SNS Healthy Natural Nails3%
Momcozy2%
Gonetre2%
Open — no brand owns it (2 brands, 3%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +0.5% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.7×

Open Trend

Top supplemental nursing system search terms

supplemental nursing system46K/yr +0.3%4.2% conv.
sns27K/yr +8.7%0.5% conv.
sns breastfeeding system23K/yr -3.5%5.3% conv.
medela supplemental nursing system5K/yr +16.8%9.3% conv.
relactador de lactancia materna5K/yr -4.7%1.8% conv.
medela sns4K/yr +10.9%7.9% conv.
sns dip5K/yr -3.3%0.3% conv.
sns nail dip powder6K/yr -30.4%0.2% conv.
medela sns feeding system3K/yr +4.1%7.5% conv.
sns nails3K/yr -8.4%0.3% conv.

All search terms

Top supplemental nursing system 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★)1 product missing review or click data not plotted

All 14 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

haakaa Supplemental Feeding Tube & Pouch Set Baby Supplemental Nursing System SNS Breastfeeding System Food Grade Silicone New Upgraded Design with Dual Tube Flow Control

haakaa$32.053.7★93 rev

Medela Supplemental Nursing System (SNS) Specialty Nursing Device for Breastfeeding or Chestfeeding Newly Enhanced Design with Upgraded Materials

Medela$53.763.0★4 rev

Starter Supplemental Nursing System 80 ml #0097003S

Medela$23.814.0★850 rev

Silverette The Original Silver Nursing Cups Nipple Covers for Breastfeeding Essentials model number: 7300 Pure 925 Silver Nipple Shields for Breastfeeding Lightweight Nursing Cups Regular Size

Silverette$59.644.5★7,197 rev

Medela 00901S Supplemental Nursing System

Medela$55.513.7★154 rev

Newest

by launch date

Medela Supplemental Nursing System (SNS) Specialty Nursing Device for Breastfeeding or Chestfeeding Newly Enhanced Design with Upgraded Materials

Medela$53.764 rev

3mo ago

Supplemental Nursing System Breastfeeding Newborn Essential Lactation Aids Baby Nutrition Feeding Bottle Combo BPA Free

Momlacto$16.500 rev

6mo ago

haakaa Supplemental Feeding Tube & Pouch Set Baby Supplemental Nursing System SNS Breastfeeding System Food Grade Silicone New Upgraded Design with Dual Tube Flow Control

haakaa$32.0593 rev

10mo ago

Haakaa Silicone Supplemental Feeding Tube & Pouch Set Breastfeeding Assistance Kit for Low Supply Latching Support Donor or Pumped Milk 120ml Pouch + Adjustable Flow Tube

haakaa$32.3535 rev

1y ago

Gonetre Supplemental System Breastfeeding Assist Device Auxiliary Breastmilk Supplemental Tube 100ml Polypropylene Newborn Feeding Aid Kit for Nursing Mothers

Gonetre$18.442 rev

1y ago

What buyers say about supplemental nursing system

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

What buyers love

Breastfeeding Friendly18%

“Breast feeding relief”

Quality-Overall12%

“Everything feels well made”

Value For Money10%

“It is really a good deal for the price”

Ease Of Use7%

“Super easy to use”

Ease Of Cleaning5%

“cleans up easily as well”

Assembly/Installation4%

“Disassembly is straightforward”

Leak-Proof4%

“it has not leaked once”

Soft Feel3%

“The silicone is soft”

Advertised Vs Actual Product3%

“The item is as described”

Ease Of Feeding3%

“Thoughtful Design That Supports Feeding Without the Stress”

What buyers complain about

Value For Money13%

“Expensive”

Ease Of Use11%

“really hard to use”

Functionality-Overall9%

“doesnt work”

Comfort-Overall7%

“Not comfortable”

Durability5%

“CRACKS”

Leak-Proof5%

“The first two weeks postpartum was brutal breastfeeding - I had sore, painful nipples all the time and I would constantly wake up from soreness and leaking”

Thickness4%

“It was also thicker”

Ease Of Cleaning4%

“Cleaning all the small tubing pieces takes a little patience”

Quality-Overall3%

“But, none of them is as great as people say they are”

Ease Of Feeding3%

“It would be great if the feeding tube was thinner and more pliable”

Top return reasons

Size-Overall54%

Functionality-Overall12%

Value For Money5%

Comfort-Overall4%

Defective Material/Parts3%

Breastfeeding Friendly3%