nasal guard
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Conversion
Incredible19.7%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.0%return rate — above 6% kills the launch gate
Price range
Okay$4.83–$24.33cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay$11.50avg listing price — sweet spot $15–$100
Market size
Okay$125K$125K/yr · 55K searches
Review moat
Bad4,401.22avg incumbent reviews — the moat a new listing must climb
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad84%top-5 click share — a locked-up shelf
Growth
Bad-34.5%90-day search growth — must beat 0% to launch
Brand share
Bad100%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.Brands
3 falling
Sellers
54
Top-5 brand share
100%
Open market
0%
- Robitussin82%
- Amazon Basic Care12%
- Amazon Basics6%
- Open — no brand owns it (0%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Robitussin Maximum Strength Nighttime Cough DM Max Adult Formula Berry Flavor - 8 Fl Oz Bottle
Robitussin$12.314.8★6,065 rev

Robitussin DM Max Cough Plus Chest Congestion and Robitussin Maximum Strength Nighttime Cough DM Adult Formulas - 2 x 8 Fl Oz Bottles
Robitussin$24.334.8★1,822 rev

Amazon Basic Care Nighttime Severe Cold and Flu Syrup Max Strength Liquid Medicine for Cough Sore Throat Nasal Congestion Pain Reliever Fever Reducer Original 12 fl oz
Amazon Basic Care$6.084.7★2,259 rev

Amazon Basics Nighttime Severe Cold and Flu Syrup Max Strength Multi-Symptom Relief for Adults and Children 12 Years and Older Berry Flavor 12 fl oz (Previously Care)
Amazon Basics$6.614.7★3,790 rev

Robitussin Maximum Strength Nighttime Cough DM Cough Medicine for Adults Berry Flavor - 4 Fl Oz
Robitussin$7.914.8★6,065 rev
Newest
by launch date
Robitussin Honey DM Max Cough Plus Chest Congestion and Robitussin Maximum Strength Honey Nighttime Cough DM Adult Formulas - 2 x 8 Fl Oz Bottles
Robitussin$24.20106 rev

Robitussin DM Max Cough Plus Chest Congestion and Robitussin Maximum Strength Nighttime Cough DM Adult Formulas - 2 x 8 Fl Oz Bottles
Robitussin$24.331,822 rev

Amazon Basic Care Nighttime Severe Cold and Flu Syrup Max Strength Liquid Medicine for Cough Sore Throat Nasal Congestion Pain Reliever Fever Reducer Original 12 fl oz
Amazon Basic Care$6.082,259 rev

Amazon Basic Care Nighttime Cold & Flu Relief Syrup Cherry 8 fl oz (1-Pack)
Amazon Basic Care$4.8311,872 rev

Amazon Basic Care Tussin DM MAX Maximum Strength Cough and Chest Congestion Medicine Non-Drowsy Alcohol Free Expectorant Raspberry Menthol Flavor 8 fl oz (Pack of 1)
Amazon Basic Care$5.945,526 rev
Trending
90-day click momentum
Robitussin Honey DM Max Cough Plus Chest Congestion and Robitussin Maximum Strength Honey Nighttime Cough DM Adult Formulas - 2 x 8 Fl Oz Bottles
Robitussin$24.204.6★

Amazon Basic Care Nighttime Severe Cold and Flu Syrup Max Strength Liquid Medicine for Cough Sore Throat Nasal Congestion Pain Reliever Fever Reducer Original 12 fl oz
Amazon Basic Care$6.084.7★

Amazon Basic Care Nighttime Cold & Flu Relief Syrup Cherry 8 fl oz (1-Pack)
Amazon Basic Care$4.834.7★

Robitussin Maximum Strength Nighttime Cough DM Cough Medicine for Adults Berry Flavor - 4 Fl Oz
Robitussin$7.914.8★

Robitussin Honey Nighttime Cough DM Max - Controls Cough Runny Nose and Sneezing - Adult Formula 4 Fl Oz
Robitussin$11.264.6★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -34.5% search growth over the last 90 days.Peak months: Jan, Feb, Mar, Apr · busiest ÷ quietest = 4.2×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“helps with cough”
“Great value”
“Just as effective as the name brand”
“Great for cold”
“Just as good as name brand”
“Good taste”
“the sleep quality is pretty good”
“Was as advertised”
“Good flavor”
“Easy to use”
What buyers complain about
“It tastes awful like all cough syrup does”
“sometimes I cant stop cough”
“Did not work”
“Unfortunately, this syrup didn't do either for me, making it very difficult to get sleep”
“Not worth the savings”
“Top too hard to get off”
“Not as good as nyquil”
“Not as strong”
“there's an ingredient in it that I must be allergic to”
“It releases enormously”