guaifenesin 400mg
Skip itPrices mostly outside the sweet spot ($5.26–$14.65) — this niche doesn't clear our bar today.
Conversion
Incredible21.5%search→purchase rate — share of searches ending in a sale
Returns
Incredible0.0%return rate — above 6% kills the launch gate
Avg price
Okay$10.34avg listing price — sweet spot $15–$100
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad4,947.5avg incumbent reviews — the moat a new listing must climb
Market size
Bad$91K$91K/yr · 41K searches
Growth
Bad-10.0%90-day search growth — must beat 0% to launch
Competition
Bad84%top-5 click share — a locked-up shelf
Brand share
Bad95%top-5 brand share — brand-locked demand
Price range
Bad$5.26–$14.65cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
The top 5 products capture 84% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 flat
Sellers
10
Top-5 brand share
95%
Open market
2%
- HEALTH LFE37%
- GenCare24%
- HealthA2Z20%
- ValuMeds10%
- Safrel5%
- NewVue3%
- Open — no brand owns it (1 brand, 2%)
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 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
HEALTH LFE Mucus Relief Guaifenesin Caplets 400 mg Immediate Release Fast Acting Expectorant Thin and Loosens Mucus Relieves Chest Congestion Cough Cold and Flu (Medium 200 Count)
HEALTH LFE$9.904.6★3,317 rev
HealthA2Z Mucus Relief Guaifenesin 400mg 300 Counts Dye Free No Benzene Immediate Release Expectorant
HealthA2Z$14.654.6★6,328 rev
GenCare Mucus Relief Expectorant Guaifenesin 400 mg 200 Tablets Value Pack - Fast Acting Thinning of Mucus for Colds Chest Congestion Flu Coughing and Allergies
GenCare$9.904.6★9,209 rev
ValuMeds Mucus Relief Guaifenesin 400mg (200 Caplets) | Maximum Strength | Mucus Thinning for Colds Chest Congestion Flu Coughing | Expectorant & Decongestant
ValuMeds$8.234.6★4,830 rev
GenCare Mucus Relief Expectorant Guaifenesin 400 mg 300 Tablets Value Pack - Fast Acting Thinning of Mucus for Colds Chest Congestion Flu Coughing and Allergies
GenCare$12.844.6★9,209 rev
Newest
by launch date
NewVue Mucus Relief Guaifenesin 400mg Powerful Expectorant Loosens & Thins Mucus Cough Relief Compare to Mucinex Active Ingredients (Small 300 Count)
NewVue$11.84118 rev
HealthA2Z Mucus Relief | Guaifenesin 400mg | Immediate Release | No Benzene | Expectorant (60 Counts)
HealthA2Z$5.266,328 rev
HEALTH LFE Mucus Relief Guaifenesin Caplets 400 mg Immediate Release Fast Acting Expectorant Thin and Loosens Mucus Relieves Chest Congestion Cough Cold and Flu (Medium 200 Count)
HEALTH LFE$9.903,317 rev
HealthLife Mucus Relief Guaifenesin Caplets 400 mg Immediate Release (300 Count) Fast Acting Expectorant Thin and Loosens Mucus Relieves Chest Congestion Cough Cold and Flu
HEALTH LFE$13.283,317 rev
Safrel | Guaifenesin Expectorant | 400 mg | Tablets | 200 Count | Thins and Loosens Mucus | Chest Congestion Support
Safrel$9.544,021 rev
Trending
90-day click momentumNewVue Mucus Relief Guaifenesin 400mg Powerful Expectorant Loosens & Thins Mucus Cough Relief Compare to Mucinex Active Ingredients (Small 300 Count)
NewVue$11.844.6★
GenCare Mucus Relief Expectorant Guaifenesin 400 mg 300 Tablets Value Pack - Fast Acting Thinning of Mucus for Colds Chest Congestion Flu Coughing and Allergies
GenCare$12.844.6★
HealthLife Mucus Relief Guaifenesin Caplets 400 mg Immediate Release (300 Count) Fast Acting Expectorant Thin and Loosens Mucus Relieves Chest Congestion Cough Cold and Flu
HEALTH LFE$13.284.6★
HealthA2Z Mucus Relief Guaifenesin 400mg 300 Counts Dye Free No Benzene Immediate Release Expectorant
HealthA2Z$14.654.6★
Safrel | Guaifenesin Expectorant | 400 mg | Tablets | 200 Count | Thins and Loosens Mucus | Chest Congestion Support
Safrel$9.544.6★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -10.0% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Great deal”
“Works well”
“This brand seems just as effective as others I have tried”
“Works well for sinus/chest congestion”
“Works as Advertised”
“I HAVE USED THE 400MG AND IS GOOD ENOUGH FOR ME”
“Very effective, the pill is relatively small compared with other brands and they are shaped well for easy swallowing”
“Day/Night Time Relief”
“my breathing is much better”
“a must-have for colds or allergies”
What buyers complain about
“Incorrect dosage instructions”
“Why is the bottle so big”
“Tastes horrible”
“This product does not help much”
“Not as described”
“My niece has a problem with congestion”
“Take THAT, allergies”
“Hard To Swallow”
“It made me so nauseous that I couldnt take it anymore”
“Dries up mucus”