cold prevention and immune support
Skip itSoft demand (-42.1% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 5% kills the launch gate
Conversion
Great11.7%search→purchase rate — share of searches ending in a sale
Avg price
Great$52.89avg listing price — sweet spot $15–$100
Market size
Good$565K$565K/yr · 91K searches
Competition
Okay67%top-5 click share — leaders hold, buyers still browse
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Review moat
Bad16,958.9avg incumbent reviews — the moat a new listing must climb
Brand share
Bad93%top-5 brand share — brand-locked demand
Price range
Bad$4.83–$852.27cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-42.1%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, cold prevention and immune support is a $565K/yr Amazon United States market (91K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in Mar. Verdict: Skip it — 43/100.
Data updated Jul 10, 2026 · scored weekly · How we score niches
cold prevention and immune support market data
- Units sold / yr
- 13K–15K
- avg 500–750/product
- Revenue / yr
- $661K–$793K
- units × avg price
- Conversion rate
- 11.7%
- Avg BSR
- #185
- Page quality
- 0%
- Prime
- 95%
- Sponsored
- 85%
- Out of stock
- 0.0%
- Avg brand age
- 91 months
- Avg seller age
- 153 days
Competition & brand share
The top 5 products take 67% of clicks — established leaders, but buyers still shop beyond them.Brands
9 falling
Sellers
659
Top-5 brand share
93%
Top 20: 100%
Top-5 click share
67%
Top 20: 100%
Open market
5%
- Zicam75%
- Boiron8%
- Cold-Eeze5%
- Airborne3%
- Nature's Bounty3%
- Emergen-C2%
- Open — no brand owns it (3 brands, 5%)
Demand & seasonality
Weekly Amazon search volume, last 71 weeks — -42.1% search growth over the last 90 days.Peak months: Mar · busiest ÷ quietest = 9.7×
Top cold prevention and immune support search terms
- zinc cold remedy16K/yr
- cold prevention17K/yr
- zic8K/yr
- zinc for colds11K/yr
- cold prevention and immune support14K/yr
- cold shortening medicine7K/yr
- zcam medicine4K/yr
- zcam4K/yr
- zica5K/yr
- zican4K/yr
Top cold prevention and immune 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.
All 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Zicam Cold Remedy RapidMelts Homeopathic Cold Shortening Relief with Zinc for Nasal Congestion NonDrowsy Citrus 25 Count
Zicam$10.014.8★11,956 rev

Zicam Cold Remedy Zinc RapidMelts Elderberry Citrus Flavor Homeopathic Cold Shortening Medicine Shortens Cold Duration 25 Count
Zicam$10.354.8★3,187 rev

Zicam Cold Remedy Zinc Medicated Fruit Drops Ultimate Orange 25 Count (Pack of 1)
Zicam$8.764.8★3,724 rev

Zicam Cold Remedy No-Drip Nasal Spray with Cooling Menthol & Eucalyptus Homeopathic Zinc-Free Pre-Cold Medicine Shortens Cold Duration 0.5 Ounce
Zicam$9.674.7★5,616 rev

Boiron Oscillococcinum for Relief from Flu-Like Symptoms of Body Aches Headache Fever Chills and Fatigue - 30 Doses
Boiron$25.164.8★23,412 rev
Newest
by launch date
Zicam Cold Remedy Original + Nighttime RapidMelts Combo Pack 25 Count
Zicam$10.43369 rev

Emergen-C Immune Plus Crystals On-the-Go Immune Support Supplement with Vitamin C Vitamin D B Vitamins Zinc and Manganese Berry Lemonade Back to School Essentials - 28 Stick Packs
Emergen-C$15.351,677 rev

Zicam Daily Immune Support Gummy Supplement Zinc Vitamin C and Vitamin D Citrus Strawberry Flavor 70 Count
Zicam$11.211,497 rev

Zicam Cold Remedy Zinc Lozenges 25 Count
Zicam$12.12211 rev

Natures Bounty Zinc 50mg Immune Support & Antioxidant Supplement Promotes Skin Health 1 Caplet Per Day Gluten Free 250 Vegetarian Caplets
Nature's Bounty$8.48214,978 rev
Trending
90-day click momentum
Zicam Cold Remedy Zinc Lozenges 25 Count
Zicam$12.124.6★

Z CAM E2C Professional 4K Cinema Camera 30 fps PoE
Z CAM E2C Professional 4K Cinema Camera, 30 fps, PoE$852.274.8★

Emergen-C Immune Plus Crystals On-the-Go Immune Support Supplement with Vitamin C Vitamin D B Vitamins Zinc and Manganese Berry Lemonade Back to School Essentials - 28 Stick Packs
Emergen-C$15.354.8★

Zicam Cold Remedy Zinc Medicated Fruit Drops Ultimate Orange 25 Count (Pack of 1)
Zicam$8.764.8★

Cold-EEZE Natural Cherry Zinc Lozenges Homeopathic Cold Remedy Reduces Duration of the Common Cold Sore Throat Cough Congestion and Post Nasal Drip 25 Count
Cold-Eeze$8.154.7★
What buyers say about cold prevention and immune support
What buyers praise and complain about, mined from review topics.What buyers love
“Shortens cold”
“Doesnt taste bad”
“feels like a reliable option from a brand I trust”
“works effectively”
“great value for money”
“Helps immunity”
“Easy for on the go”
“keep you from coughing”
“As Described”
“Helped me many times when I started feeling sick”
What buyers complain about
“Mild taste”
“Not effective”
“Kinda pricey”
“Allergic to it”
“Was starting to feel sick”
“I didn't feel a relief with the cough”
“Made my nose ache”
“I didn't link it to the zinc”
“DOSAGE TOO HIGH FOR EVERYDAY PEOPLE”
“I usually get colds easily”
Top return reasons
Common questions
- Is cold prevention and immune support profitable to sell on Amazon United States?
- The niche generates $565K/yr across 20 tracked products. 90-day search growth is -42.1%. Flapen's verdict: Skip it (43/100).
- How competitive is the cold prevention and immune support niche?
- 9 brands and 659 sellers compete. The top 5 products take 67% of clicks and top 5 brands hold 93% of demand.
- What do buyers complain about in cold prevention and immune support?
- Top complaints mined from reviews: Taste-Overall, Functionality-Overall, Value For Money. The return rate is 0.0%.
- When does demand for cold prevention and immune support peak?
- Demand peaks in Mar; the busiest month runs 9.7× the quietest.
- What does it cost to enter the cold prevention and immune support niche?
- Listings span $4.83–$852.27; the average listing price is $52.89 (sweet spot $15–$100). The average incumbent carries 16,959 reviews — the moat a new listing must climb.