guaifenesin liquid
Skip itSoft demand (-31.0% this quarter) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 6% kills the launch gate
Conversion
Great11.1%search→purchase rate — share of searches ending in a sale
Review moat
Okay2,085avg incumbent reviews — the moat a new listing must climb
Avg price
Okay$10.37avg listing price — sweet spot $15–$100
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Price range
Okay$4.47–$19.19cheapest to priciest tracked listing — scored on the share inside $15–$100
Market size
Bad$97K$97K/yr · 85K searches
Competition
Bad80%top-5 click share — a locked-up shelf
Brand share
Bad94%top-5 brand share — brand-locked demand
Growth
Bad-31.0%90-day search growth — must beat 0% to launch
Competition
The top 5 products capture 80% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 falling
Sellers
62
Top-5 brand share
94%
Open market
3%
- GeriCare38%
- RUGBY LABORATORIES33%
- Amazon Basic Care10%
- Mucinex7%
- SDA LABORATORIES6%
- McKesson3%
- Open — no brand owns it (1 brand, 3%)
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 11 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
GeriCare Geri-Tussin Guaifenesin Oral Liquid Solution Sugar-Free Alcohol-Free Cough and Cold Relief Syrup Helps Clear Chest Congestion 16 Ounce Bottle (Pack of 1)
GeriCare$9.804.6★1,033 rev

Rugby Chest Congestion Relief Expectorant Guaifenesin USP 100 mg Alcohol-Free Cherry Menthol Cough Syrup 16 fl oz (1 Pack)
RUGBY LABORATORIES$10.074.5★354 rev

Rugby Mucus & Chest Congestion Cough Syrup Guaifenesin 200 mg Expectorant Cherry Flavored - 4 Fl Oz (1 Pack)
RUGBY LABORATORIES$7.074.5★358 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$5.944.7★5,526 rev

SDA LABORATORIES Tussin Guaifenesin Expectorant Cough Medicine Oral Solution 16 Fl Oz Liquid Cherry Mint Flavor Alcohol-Free Sugar-Free Relieves Mucus and Chest Congestion (Pack of 1)
SDA LABORATORIES$9.994.4★325 rev
Newest
by launch date
Revasol Tussin Cough Syrup Mucus Clear for Phlegm and Congestion Tussin Guaifenesin Liquid & Chest Decongestant for Adults and Kids 12 and Up Expectorant Mucus Support Liquid
Revasol$11.3158 rev

SDA LABORATORIES Tussin Guaifenesin Expectorant Cough Medicine Oral Solution 16 Fl Oz Liquid Cherry Mint Flavor Alcohol-Free Sugar-Free Relieves Mucus and Chest Congestion (Pack of 1)
SDA LABORATORIES$9.99325 rev

GeriCare Geri-Tussin Guaifenesin Oral Liquid Solution Sugar-Free Alcohol-Free Cough and Cold Relief Syrup Helps Clear Chest Congestion Cherry Menthol Flavor 16 Ounce Bottle (Pack of 2)
GeriCare$19.191,033 rev

Rugby Chest Congestion Relief Expectorant Guaifenesin USP 100 mg Alcohol-Free Cherry Menthol Cough Syrup 16 fl oz (1 Pack)
RUGBY LABORATORIES$10.07354 rev

Amazon Basic Care Tussin Cough Plus Chest Congestion DM Syrup Non-Drowsy Expectorant Mucus Relief Raspberry Flavor 8 fl oz (Pack of 1)
Amazon Basic Care$4.472,121 rev
Trending
90-day click momentum
GeriCare Geri-Tussin Guaifenesin Oral Liquid Solution Sugar-Free Alcohol-Free Cough and Cold Relief Syrup Helps Clear Chest Congestion Cherry Menthol Flavor 16 Ounce Bottle (Pack of 2)
GeriCare$19.194.6★

Mucinex Fast-Max Severe Congestion & Cough Medicine Maximum Strength Symptom Relief Over-The-Counter Medication Cold Medicine Cough Suppressant Expectorant Nasal Decongestant 6 FL OZ
Mucinex$12.944.7★

GeriCare Geri-Tussin Guaifenesin Oral Liquid Solution Sugar-Free Alcohol-Free Cough and Cold Relief Syrup Helps Clear Chest Congestion 16 Ounce Bottle (Pack of 1)
GeriCare$9.804.6★

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$5.944.7★

Rugby Chest Congestion Relief Expectorant Guaifenesin USP 100 mg Alcohol-Free Cherry Menthol Cough Syrup 16 fl oz (1 Pack)
RUGBY LABORATORIES$10.074.5★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -31.0% search growth over the last 90 days.Peak months: Jan, Feb · busiest ÷ quietest = 2.3×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Good cough syrup”
“Good price”
“works fast”
“Just as good as name brand”
“It works and it tastes ok”
“It works as advertised”
“Best night cold medicine”
“Great product for sinuses”
“Was able sleep”
“Flavor is good”
What buyers complain about
“TASTE AWFUL”
“this is the worst tasting cough medicine Ive ever tasted”
“ineffective”
“Too hard to open”
“TOOOOOO EXPENSIVE”
“Dosage cup cracked and unusable”
“Flavor is inconsistent”
“WAYYYYYY TOO WATERY”
“the menthol additive is so strong it burns your tender esophagus when swallowed”
“The instructions for how to open it are inane”