---
title: "guaifenesin liquid — Niche Verdict: Skip it (37/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/health-household/guaifenesin-liquid"
last_updated: "2026-07-14T00:24:52.641Z"
locale: en
meta:
  description: "soft demand (-31.0% this quarter) — guaifenesin liquid doesn't clear our bar today."
  "og:description": "soft demand (-31.0% this quarter) — guaifenesin liquid doesn't clear our bar today."
  "og:title": "guaifenesin liquid — Niche Verdict: Skip it (37/100) | Amazon United States - Flapen"
---

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# **guaifenesin liquid**

**Skip it**

Soft demand (-31.0% this quarter) — this niche doesn't clear our bar today.

Market size 24Growth 9Conversion 91Competition 16Returns 100Price range 28Avg price 36Brand share 16Review moat 44Quality gap 28

**Returns**

**Incredible****0.0%**

return rate — above 6% kills the launch gate

**Conversion**

**Great****11.1%**

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

**Review moat**

**Okay****2,085**

avg incumbent reviews — the moat a new listing must climb

**Avg price**

**Okay****$10.37**

avg listing price — sweet spot $15–$100

**Quality gap**

**Okay****4.6★**

avg incumbent rating — lower means beatable quality

**Price range**

**Okay****$4.47–$19.19**

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

**Market size**

**Bad****$97K**

$97K/yr · 85K searches

**Competition**

**Bad****80%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****94%**

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.

0%10%$10K20%$19K30%$29K40%$39K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 11 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![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)](https://m.media-amazon.com/images/I/41iXd8Jum3L.jpg)**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**$9.80**4.6★1,033 rev](https://www.amazon.com/dp/B00PV6QRZK) [2![Rugby Chest Congestion Relief Expectorant Guaifenesin USP 100 mg Alcohol-Free Cherry Menthol Cough Syrup 16 fl oz (1 Pack)](https://m.media-amazon.com/images/I/41S7XQ7Y2oL.jpg)**Rugby Chest Congestion Relief Expectorant Guaifenesin USP 100 mg Alcohol-Free Cherry Menthol Cough Syrup 16 fl oz (1 Pack)**RUGBY LABORATORIES**$10.07**4.5★354 rev](https://www.amazon.com/dp/B0C15T5JRV) [3![Rugby Mucus & Chest Congestion Cough Syrup Guaifenesin 200 mg Expectorant Cherry Flavored - 4 Fl Oz (1 Pack)](https://m.media-amazon.com/images/I/41SnINfkKhL.jpg)**Rugby Mucus & Chest Congestion Cough Syrup Guaifenesin 200 mg Expectorant Cherry Flavored - 4 Fl Oz (1 Pack)**RUGBY LABORATORIES**$7.07**4.5★358 rev](https://www.amazon.com/dp/B07PPQ3JTH) [4![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)](https://m.media-amazon.com/images/I/41dSh1iIPJL.jpg)**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**$5.94**4.7★5,526 rev](https://www.amazon.com/dp/B087D294P5) [5![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)](https://m.media-amazon.com/images/I/31TG32n1wlL.jpg)**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**$9.99**4.4★325 rev](https://www.amazon.com/dp/B0DJCCRL57)

**~~View all top sellers →~~**

### **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](https://m.media-amazon.com/images/I/41ZbmhmJXCL.jpg)**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**$11.31**58 rev1y ago](https://www.amazon.com/dp/B0F1JC1HPP) [![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)](https://m.media-amazon.com/images/I/31TG32n1wlL.jpg)**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**$9.99**325 rev1y ago](https://www.amazon.com/dp/B0DJCCRL57) [![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)](https://m.media-amazon.com/images/I/41iXd8Jum3L.jpg)**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**$19.19**1,033 rev2y ago](https://www.amazon.com/dp/B0CRLJXRG9) [![Rugby Chest Congestion Relief Expectorant Guaifenesin USP 100 mg Alcohol-Free Cherry Menthol Cough Syrup 16 fl oz (1 Pack)](https://m.media-amazon.com/images/I/41S7XQ7Y2oL.jpg)**Rugby Chest Congestion Relief Expectorant Guaifenesin USP 100 mg Alcohol-Free Cherry Menthol Cough Syrup 16 fl oz (1 Pack)**RUGBY LABORATORIES**$10.07**354 rev3y ago](https://www.amazon.com/dp/B0C15T5JRV) [![Amazon Basic Care Tussin Cough Plus Chest Congestion DM Syrup Non-Drowsy Expectorant Mucus Relief Raspberry Flavor 8 fl oz (Pack of 1)](https://m.media-amazon.com/images/I/41bOAhkp-YL.jpg)**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**$4.47**2,121 rev3y ago](https://www.amazon.com/dp/B09DH6ZKMX)

**~~View all new products →~~**

### **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)](https://m.media-amazon.com/images/I/41iXd8Jum3L.jpg)**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**$19.19**4.6★**▲ 70%**](https://www.amazon.com/dp/B0CRLJXRG9) [![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](https://m.media-amazon.com/images/I/41D8JP4XW-L.jpg)**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**$12.94**4.7★**▲ 56%**](https://www.amazon.com/dp/B0057UUGWA) [![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)](https://m.media-amazon.com/images/I/41iXd8Jum3L.jpg)**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**$9.80**4.6★**▲ 54%**](https://www.amazon.com/dp/B00PV6QRZK) [![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)](https://m.media-amazon.com/images/I/41dSh1iIPJL.jpg)**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**$5.94**4.7★**▲ 16%**](https://www.amazon.com/dp/B087D294P5) [![Rugby Chest Congestion Relief Expectorant Guaifenesin USP 100 mg Alcohol-Free Cherry Menthol Cough Syrup 16 fl oz (1 Pack)](https://m.media-amazon.com/images/I/41S7XQ7Y2oL.jpg)**Rugby Chest Congestion Relief Expectorant Guaifenesin USP 100 mg Alcohol-Free Cherry Menthol Cough Syrup 16 fl oz (1 Pack)**RUGBY LABORATORIES**$10.07**4.5★**▲ 12%**](https://www.amazon.com/dp/B0C15T5JRV)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -31.0% search growth over the last 90 days.

3K2KSpike '24Black Friday '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jan, Feb · busiest ÷ quietest = 2.3×

## **Reviews**

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

### **What buyers love **

**Cough Relief**26%

*“Good cough syrup”*

**Value For Money**11%

*“Good price”*

**Efficiency**10%

*“works fast”*

**Quality-Overall**8%

*“Just as good as name brand”*

**Taste-Overall**7%

*“It works and it tastes ok”*

**Advertised Vs Actual Product**7%

*“It works as advertised”*

**Cold Relief**4%

*“Best night cold medicine”*

**Sinus Relief**2%

*“Great product for sinuses”*

**Sleep Quality**2%

*“Was able sleep”*

**Flavor**2%

*“Flavor is good”*

### **What buyers complain about **

**Taste-Overall**18%

*“TASTE AWFUL”*

**Cough Relief**11%

*“this is the worst tasting cough medicine Ive ever tasted”*

**Functionality-Overall**7%

*“ineffective”*

**Ease Of Use**7%

*“Too hard to open”*

**Value For Money**5%

*“TOOOOOO EXPENSIVE”*

**Dosage**5%

*“Dosage cup cracked and unusable”*

**Flavor**3%

*“Flavor is inconsistent”*

**Dilute/Watery**3%

*“WAYYYYYY TOO WATERY”*

**Sinus Relief**2%

*“the menthol additive is so strong it burns your tender esophagus when swallowed”*

**Instructions/User Manual/Troubleshooting**2%

*“The instructions for how to open it are inane”*