Is z pack profitable to sell on Amazon United States?

The niche generates $83K/yr across 7 tracked products. 90-day search growth is -33.9%. Flapen's verdict: Skip it (32/100).

How competitive is the z pack niche?

3 brands and 574 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 100% of demand.

What do buyers complain about in z pack?

Top complaints mined from reviews: Functionality-Overall, Value For Money, Cough Relief. The return rate is 0.0%.

When does demand for z pack peak?

Demand peaks in Jan–Feb–Sep–Oct–Nov–Dec; the busiest month runs 5.3× the quietest.

What does it cost to enter the z pack niche?

Listings span $9.95–$39.43; the average listing price is $22.88 (sweet spot $15–$100). The average incumbent carries 5,272 reviews — the moat a new listing must climb.

z pack

Skip it

Brand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Avg price

Incredible$22.88

avg listing price — sweet spot $15–$100

Price range

Great$9.95–$39.43

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

Conversion

Okay3.4%

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

Review moat

Bad5,272.14

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$83K

$83K/yr · 107K searches

Quality gap

Bad4.7★

avg incumbent rating — lower means beatable quality

Growth

Bad-33.9%

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

Competition

Bad92%

top-5 click share — a locked-up shelf

Brand share

Bad100%

top-5 brand share — brand-locked demand

According to Flapen's Amazon United States niche tracking, z pack is a $83K/yr Amazon United States market (107K searches/yr). The top 5 brands hold 100% of demand. Demand peaks in Jan–Feb–Sep–Oct–Nov–Dec. Verdict: Skip it — 32/100.

Data updated Jul 27, 2026 · scored weekly · How we score niches

z pack market data

Units sold / yr: 6K–8K; avg 750–1,000/product
Revenue / yr: $137K–$183K; units × avg price
Conversion rate: 3.4%
Avg BSR: #267
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.0%
Avg brand age: 71 months
Avg seller age: 155 days

Competition & brand share

The top 5 products capture 92% of clicks — a locked-up shelf that new listings rarely crack.

Brands

3 flat

Sellers

574

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

92%

Top 20: 100%

Open market

EZC Pak88%
Boiron8%
Zicam4%
Open — no brand owns it (0%)

Demand & seasonality

Weekly Amazon search volume, last 69 weeks — -33.9% search growth over the last 90 days.

Peak months: Jan, Feb, Sep, Oct, Nov, Dec · busiest ÷ quietest = 5.3×

Open Trend

Top z pack search terms

z pack25K/yr -22.5%2.4% conv.
z pack antibiotic medication20K/yr -27.7%1.9% conv.
zpack12K/yr -6.2%1.3% conv.
zpack antibiotic medication14K/yr -43.3%2.5% conv.
ezc pak 5-day immune support pack14K/yr -74.3%15.2% conv.
ezc pak7K/yr -31.8%15.2% conv.
zpak antibiotic medication3K/yr -30.7%0.7% conv.
z-pack antibiotics3K/yr +10.1%1.2% conv.
zpak4K/yr -44.6%2.7% conv.
ezcpak immune support3K/yr -34.3%18.0% conv.

All search terms

Top z pack 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 7 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

EZC Pak 5-Day Tapered Immune Support Booster - Vitamin Immune Support Supplement Echinacea Zinc Vitamin C Vitamins for Immune System Support Immune Boosters for Adults - Immune Support Vitamins

EZC Pak$17.884.6★2,397 rev

EZC Pak 5-Day Immune System Booster with Echinacea Vitamin C Zinc & Vitamin D - Tapered Immune Support Supplement for Adults - Supports Immunity Easy Travel-Size Supplement Pack - (Pack of 2)

EZC Pak$39.434.6★2,388 rev

EZC Pak 5-Day Immune System Booster with Echinacea Vitamin C Zinc & Vitamin D - Tapered Immune Support Supplement for Adults - Supports Immunity Easy Travel-Size Supplement Pack

EZC Pak$22.024.6★2,388 rev

Boiron Oscillococcinum for Relief from Flu-Like Symptoms of Body Aches Headache Fever Chills and Fatigue - 30 Doses

Boiron$25.164.8★23,568 rev

EZC Pak On The Go Immune System Booster with Echinacea Vitamin C Zinc Immune Support Supplement Immunity Vitamins for Adults Travel-Friendly Packaging Vegetarian Gluten-Free

EZC Pak$9.954.6★537 rev

Newest

by launch date

Zicam Cold Remedy Zinc RapidMelts Elderberry Citrus Flavor Homeopathic Cold Shortening Medicine Shortens Cold Duration 25 Count

Zicam$10.363,230 rev

6y ago

EZC Pak 5-Day Immune System Booster with Echinacea Vitamin C Zinc & Vitamin D - Tapered Immune Support Supplement for Adults - Supports Immunity Easy Travel-Size Supplement Pack

EZC Pak$22.022,388 rev

6y ago

EZC Pak 5-Day Immune System Booster with Echinacea Vitamin C Zinc & Vitamin D - Tapered Immune Support Supplement for Adults - Supports Immunity Easy Travel-Size Supplement Pack - (Pack of 2)

EZC Pak$39.432,388 rev

7y ago

EZC Pak On The Go Immune System Booster with Echinacea Vitamin C Zinc Immune Support Supplement Immunity Vitamins for Adults Travel-Friendly Packaging Vegetarian Gluten-Free

EZC Pak$9.95537 rev

8y ago

EZC Pak 5-Day Tapered Immune Support Booster - Vitamin Immune Support Supplement Echinacea Zinc Vitamin C Immune Boosters for Adults - Immune Support Vitamins (Pack of 2)

EZC Pak$35.342,397 rev

10y ago

What buyers say about z pack

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

What buyers love

Cold Relief28%

“Shortens the cold”

Efficiency15%

“Works perfectly”

Quality-Overall9%

“Excellent product”

Taste-Overall6%

“tastes great”

Fever Relief6%

“I let his fever run because it helps with fighting the virus. obviously monitored to make sure it DID not go above 103”

Advertised Vs Actual Product4%

“As described and perfect for my needs”

Value For Money3%

“The cost is good relative to what it can do to minimize your downtime or productivity”

Ease Of Use3%

“It has come in handy multiple times”

Immunity Booster2%

“Works to boost immune when first signs of unwellness”

Solubility2%

“They dissolve really nicely”

What buyers complain about

Functionality-Overall13%

“Did not help”

Value For Money11%

“Too expensive”

Cough Relief6%

“As soon as I start coughing I took these”

Taste-Overall6%

“There is no significant taste or smell”

Ingredients-Overall5%

“Contains nothing”

Cold Relief5%

“Are you getting a cold”

Side Effects4%

“coughing which affected my voice”

Flavor2%

“the other ones taste like artificial powder flavor when you chew them”

Solubility2%

“Doesnt Dissolve”

Artificial Sweeteners2%

“just contains sugars”

Top return reasons

Acid Regulator/Stomach Ache Relief100%

Common questions

Is z pack profitable to sell on Amazon United States?: The niche generates $83K/yr across 7 tracked products. 90-day search growth is -33.9%. Flapen's verdict: Skip it (32/100).
How competitive is the z pack niche?: 3 brands and 574 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 100% of demand.
What do buyers complain about in z pack?: Top complaints mined from reviews: Functionality-Overall, Value For Money, Cough Relief. The return rate is 0.0%.
When does demand for z pack peak?: Demand peaks in Jan–Feb–Sep–Oct–Nov–Dec; the busiest month runs 5.3× the quietest.
What does it cost to enter the z pack niche?: Listings span $9.95–$39.43; the average listing price is $22.88 (sweet spot $15–$100). The average incumbent carries 5,272 reviews — the moat a new listing must climb.