Is sinus support profitable to sell on Amazon United States?

The niche generates $32K/yr across 12 tracked products. 90-day search growth is -0.2%. Flapen's verdict: Skip it (44/100).

How competitive is the sinus support niche?

10 brands and 588 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 80% of demand.

What do buyers complain about in sinus support?

Top complaints mined from reviews: Functionality-Overall, Sinus Relief, Allergies. The return rate is 0.0%.

When does demand for sinus support peak?

Demand peaks in Jan–Feb–Nov; the busiest month runs 2.6× the quietest.

What does it cost to enter the sinus support niche?

Listings span $9.92–$39.26; the average listing price is $25.32 (sweet spot $15–$100). The average incumbent carries 2,455 reviews — the moat a new listing must climb.

sinus support

Skip it

A small market ($32K/yr) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$25.32

avg listing price — sweet spot $15–$100

Price range

Great$9.92–$39.26

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

Good4.5★

avg incumbent rating — lower means beatable quality

Brand share

Okay80%

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

Review moat

Okay2,454.83

avg incumbent reviews — the moat a new listing must climb

Growth

Bad-0.2%

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

Competition

Bad74%

top-5 click share — a locked-up shelf

Market size

Bad$32K

$32K/yr · 26K searches

According to Flapen's Amazon United States niche tracking, sinus support is a $32K/yr Amazon United States market (26K searches/yr). The top 5 brands hold 80% of demand. Demand peaks in Jan–Feb–Nov. Verdict: Skip it — 44/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

sinus support market data

Units sold / yr: 2K–2K; avg 100–250/product
Revenue / yr: $38K–$51K; units × avg price
Conversion rate: 4.7%
Avg BSR: #359
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.5%
Avg brand age: 115 months
Avg seller age: 163 days

Competition & brand share

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

Brands

10 falling

Sellers

588

Top-5 brand share

80%

Top 20: 100%

Top-5 click share

74%

Top 20: 100%

Open market

15%

Beekeeper's Naturals44%
Nature's Sunshine15%
Christopher's Original Formulas9%
ForestLeaf6%
RidgeCrest Herbals6%
Boiron5%
Open — no brand owns it (4 brands, 15%)

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -0.2% search growth over the last 90 days.

Peak months: Jan, Feb, Nov · busiest ÷ quietest = 2.6×

Open Trend

Top sinus support search terms

sinus support12K/yr +21.3%5.8% conv.
sinus health5K/yr +3.8%0.5% conv.
sinus supplements6K/yr -8.2%3.3% conv.
sinus support supplement3K/yr -50.3%8.0% conv.

All search terms

Top sinus support 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

Beekeepers Naturals All Natural Sinus Support for Adults Seasonal Nasal Care Relief with Propolis Quercetin Bromelain Nettle Leaf & Vegan Capsule Blocks or Suppresses Histamine 60 ct

Beekeeper's Naturals$30.304.4★844 rev

Natures Sunshine Sinus Support EF Herbal Supplement Targeted Respiratory Support Healthy Nasal Passages Ephedra-Free 100 Vegcaps

Nature's Sunshine$30.294.5★627 rev

Christophers Original Formulas Sinus Plus Sinus Support Capsules Whole Herb Synergistic Blend 100 Count

Christopher's Original Formulas$16.604.4★1,524 rev

ForestLeaf Quercetin with Bromelain 1350mg - Blend with Vitamin C & Stinging Nettle Supplement Quercetin 500mg Capsules Non-GMO Gluten Free Natural Function 90 Veggie Caps

ForestLeaf$23.234.7★8,558 rev

RidgeCrest Herbals SinusClear Complete Formula for Sinus and Nasal Health with Mullein Leaf Bromelain Vitamin C and Zinc for Healthy Mucus Immune & Respiratory Support (60 Veg Caps 30 Serv)

RidgeCrest Herbals$28.104.4★1,589 rev

Newest

by launch date

Beekeepers Naturals Propolis Nasal Rinse Spray Max Relief for Adults w/Eucalyptus Oregano & Saline Clears Nasal Congestion & Cleanses Sinus Canal 1 fl oz

Beekeeper's Naturals$13.613,154 rev

3y ago

Beekeepers Naturals All Natural Sinus Support for Adults Seasonal Nasal Care Relief with Propolis Quercetin Bromelain Nettle Leaf & Vegan Capsule Blocks or Suppresses Histamine 60 ct

Beekeeper's Naturals$30.30844 rev

4y ago

Beekeepers Naturals Propolis Sinus Support 60 CT

Beekeeper's Naturals$30.7028 rev

4y ago

Gaia Herbs Sinus & Lung Supreme - Lung Support Supplement with Herbs Traditionally Used to Support Respiratory & Sinus Health* - Vegan Gluten-Free & Dairy Free - 60 Liquid Phyto-Caps (60 Servings)

Gaia Herbs$31.1190 rev

5y ago

Boiron SinusCalm Tablets for Sinus Pain Relief Runny Nose Congestion Sinus Pressure Headache - 60 Count

Boiron$9.927,300 rev

6y ago

What buyers say about sinus support

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

What buyers love

Sinus Relief25%

“Helps clear sinuses”

Quality-Overall12%

“High quality supplement”

Efficiency9%

“Works Well”

Allergies8%

“No more allergies”

Natural Ingredients5%

“All natural”

Breathability3%

“Helped me be able to breathe”

Spray/Flow3%

“this nasal spray works amazing”

Value For Money2%

“Great price too”

Ease Of Use2%

“Easy to use”

Ingredients-Overall2%

“I like that it has natural ingredients also”

What buyers complain about

Functionality-Overall14%

“It doesn't work as described”

Sinus Relief13%

“Gave me a very bad reactions Not a good product for only sinus”

Allergies12%

“I must be allergic to something in this product”

Leak-Proof5%

“Bottle leaks like mad”

Value For Money5%

“Kinda pricy”

Side Effects3%

“A significant concern for me was the potential for unintended consequences”

Dosage3%

“Didn't seem to do much”

Smell2%

“immediately afterwards I smelled mold”

Durability2%

“Does not work for more than 1 minute”

Moist/Dry1%

“My nasal passages are dry”

Top return reasons

Functionality-Overall100%

Common questions

Is sinus support profitable to sell on Amazon United States?: The niche generates $32K/yr across 12 tracked products. 90-day search growth is -0.2%. Flapen's verdict: Skip it (44/100).
How competitive is the sinus support niche?: 10 brands and 588 sellers compete. The top 5 products take 74% of clicks and top 5 brands hold 80% of demand.
What do buyers complain about in sinus support?: Top complaints mined from reviews: Functionality-Overall, Sinus Relief, Allergies. The return rate is 0.0%.
When does demand for sinus support peak?: Demand peaks in Jan–Feb–Nov; the busiest month runs 2.6× the quietest.
What does it cost to enter the sinus support niche?: Listings span $9.92–$39.26; the average listing price is $25.32 (sweet spot $15–$100). The average incumbent carries 2,455 reviews — the moat a new listing must climb.