---
title: "Guaifenesin 600 Mg Extended Release Tablets — Amazon US Product Research"
canonical_url: "https://flapen.com/research/us/health-household/guaifenesin-600-mg-extended-release-tablets"
last_updated: "2026-08-12T04:31:26.898Z"
locale: en
meta:
description: "Amazon product research for guaifenesin 600 mg extended release…: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for guaifenesin 600 mg extended release…: demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "Guaifenesin 600 Mg Extended Release Tablets — Amazon US Product Research"
---
# **Guaifenesin 600 Mg Extended Release Tablets**
**Skip it**
Soft demand (-19.7% this quarter) — this niche doesn't clear our bar today.
Market size 33Growth 15Conversion 97Competition 42Returns 100Price range 67Avg price 77Brand share 32Review moat 31Quality gap 22
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****15.0%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Great****$15.75**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$5.87–$33.52**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Competition**
**Okay****60%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Okay****$155K**
$155K/yr · 65K searches
**Brand share**
**Okay****86%**
top-5 brand share — brands hold most of the demand
**Review moat**
**Okay****3,405.52**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Growth**
**Bad****-19.7%**
90-day search growth — must beat 0% to launch
## **Is guaifenesin 600 mg extended release tablets profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, guaifenesin 600 mg extended release tablets is a $155K/yr Amazon United States market (65K searches/yr). The top 5 brands hold 86% of demand. Verdict: Skip it — 47/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **guaifenesin 600 mg extended release tablets market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **10K–13K**
- avg 250–500/product
- **Revenue / yr**
- **$158K–$197K**
- units × avg price
- **Conversion rate**
- **15.0%**
- **Avg BSR**
- **#176**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **90%**
- **Out of stock**
- **4.6%**
- **Avg brand age**
- **81 months**
- **Avg seller age**
- **180 days**
## **Competition: brands, sellers & click share**
The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**12 **▼falling
**Sellers**
**63**
**Top-5 brand share**
**86%**
Top 20: 100%
**Top-5 click share**
**60%**
Top 20: 99%
**Open market**
**10%**
- HealthA2Z31% - Amazon Basic Care27% - WELMATE12% - Curist9% - guardian7% - GenCare4% - Open — no brand owns it (6 brands, 10%)
## **guaifenesin 600 mg extended release tablets demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -19.7% search growth over the last 90 days.
3K2KHoliday '24Spike '25Prime Day '25Holiday '25 seasonSepDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.6×
[**Open Trend **](https://flapen.com/research/us/health-household/guaifenesin-600-mg-extended-release-tablets/trend)
## **Top guaifenesin 600 mg extended release tablets search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **guaifenesin 600 mg**35K/yr-25.2%14.6% conv. - **mucus relief 600 mg**19K/yr-8.0%16.9% conv. - **guaifenesin 600 mg extended release**8K/yr-15.2%15.8% conv. - **guaifenesin extended release**4K/yr-34.0%11.6% conv. [**All search terms **](https://flapen.com/research/us/health-household/guaifenesin-600-mg-extended-release-tablets/search-terms)
## **Top guaifenesin 600 mg extended release tablets products & what they sell for**
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%5%$8K10%$15K15%$23K20%$31K101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 21 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Amazon Basic Care Guaifenesin Extended-Release Tablets 600 mg 12 Hour Expectorant for Chest Congestion and Mucus Relief 20 Count**Amazon Basic Care**$8.36**4.6★4,555 rev](https://www.amazon.com/dp/B08ZDVBRM8) [2**HealthA2Z Mucus Relief Guaifenesin 600 mg 12 Hour Relief Dye Free No Benzene Expectorant Relieves Chest Congestion Thins and Loosens Mucus Extended Release (300 Counts)**HealthA2Z**$25.85**4.7★943 rev](https://www.amazon.com/dp/B0DTLJHLNM) [3**WELMATE Mucus Relief Guaifenesin 600mg Expectorant 200 Ct - Chest Congestion Relief Cough and Cold - Thins and Loosens Mucus - Immediate & Extended 12 Hour Support - Extended-Release Bi-Layer**WELMATE**$27.53**4.7★1,234 rev](https://www.amazon.com/dp/B09XP4LGL1) [4**Curist Guaifenesin 600 mg Extended Release Tablets (300 Dye-Free Tablets) - Expectorant Mucus Relief Generic Guaifenesin 600 mg (Bulk Pack)**Curist**$30.24**4.8★980 rev](https://www.amazon.com/dp/B0BMM1NS5R) [5**HealthA2Z Mucus Relief | Guaifenesin 600 mg | 12 Hour | No Benzene | Expectorant | Relieves Chest Congestion | Thins and Loosens Mucus | Extended Release (75 Counts)**HealthA2Z**$9.89**4.7★943 rev](https://www.amazon.com/dp/B0D3242QK3)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**NUVICARE Expectorant Mucus Relief 600 mg 12 Hour Extended Release Guaifenesin 600 mg Tablets Clear Throat Phlegm and Chest Congestion Relief for Adults Compare to MucusTablets (40 Count)**NUVICARE**$7.55**76 rev11mo ago](https://www.amazon.com/dp/B0FK437PDG) [**Mucus and Chest Congestion Relief Guaifenesin Extended-Release Tablets 600 mg 12 Hour Expectorant**GoodSense**$5.87**34 rev12mo ago](https://www.amazon.com/dp/B0FJZV56W9) [**HealthA2Z Mucus Relief Guaifenesin 600 mg 12 Hour Relief Dye Free No Benzene Expectorant Relieves Chest Congestion Thins and Loosens Mucus Extended Release (300 Counts)**HealthA2Z**$25.85**943 rev1y ago](https://www.amazon.com/dp/B0DTLJHLNM) [**WELMATE - Guaifenesin 600mg (70 Tablets) - Mucus Relief - Expectorant Thins Mucus - Cough & Cold - 12 Hr Support - Fast Acting - Extended-Release Bi-Layer Tablets - Over-the-Counter Medication**WELMATE**$10.03**1,234 rev1y ago](https://www.amazon.com/dp/B0DSQD7FYK) [**Amazon Basic Care Mucus Relief DM 12 Hour Chest Congestion & Cough Relief Guaifenesin & Dextromethorphan Extended-Release Tablets 600 mg/30 mg 40 Count (Pack of 1) (Packaging may vary)**Amazon Basic Care**$12.64**3,633 rev1y ago](https://www.amazon.com/dp/B07QW3WHD3)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**WELMATE - Guaifenesin 600mg (70 Tablets) - Mucus Relief - Expectorant Thins Mucus - Cough & Cold - 12 Hr Support - Fast Acting - Extended-Release Bi-Layer Tablets - Over-the-Counter Medication**WELMATE**$10.03**4.7★**▲ 117%**](https://www.amazon.com/dp/B0DSQD7FYK) [**Mucus and Chest Congestion Relief Guaifenesin Extended-Release Tablets 600 mg 12 Hour Expectorant**GoodSense**$5.87**4.7★**▲ 88%**](https://www.amazon.com/dp/B0FJZV56W9) [**Ohm Guaifenesin 1200mg Chest Congestion and Mucus Relief Extended-Release Maximum Strength Tablets 12-Hour Expectorant Helps Thin & Loosen Stubborn Mucus Non-Drowsy (Pack of 1)**Ohm**$6.26**4.5★**▲ 58%**](https://www.amazon.com/dp/B0BHKPCF64) [**HealthA2Z Mucus Relief Guaifenesin 600 mg 12 Hour Relief Dye Free No Benzene Expectorant Relieves Chest Congestion Thins and Loosens Mucus Extended Release (300 Counts)**HealthA2Z**$25.85**4.7★**▲ 58%**](https://www.amazon.com/dp/B0DTLJHLNM) [**HealthA2Z Mucus Relief Guaifenesin 400mg 300 Counts Dye Free No Benzene Immediate Release Expectorant**HealthA2Z**$14.65**4.6★**▲ 40%**](https://www.amazon.com/dp/B074R7QJ8K)
**~~View all trending →~~**
## **What reviews say buyers love and hate about guaifenesin 600 mg extended release tablets**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**22%
*“Great value”*
**Efficiency**14%
*“Gets the job done”*
**Quality-Overall**13%
*“Excellent Quality”*
**Cough Relief**10%
*“Effective cough relief”*
**Advertised Vs Actual Product**8%
*“As advertised”*
**Dosage**3%
*“I HAVE USED THE 400MG AND IS GOOD ENOUGH FOR ME”*
**Ease Of Chewing/Swallowing**3%
*“Ease of swallowing”*
**Ease Of Use**2%
*“Easy to use”*
**Sinus Relief**2%
*“Clears up my sinuses”*
**Cold Relief**2%
*“Cold relief”*
### **What buyers complain about **
**Functionality-Overall**13%
*“Just not effective”*
**Dosage**7%
*“dosage info is just wrong”*
**Size-Overall**5%
*“Why is the bottle so big”*
**Allergies**5%
*“allergies were bad”*
**Ease Of Use**5%
*“Its very difficult to open the individual packs”*
**Value For Money**5%
*“cheaper”*
**Cough Relief**3%
*“since I have a bad cough”*
**Advertised Vs Actual Product**3%
*“This is a deception in advertising”*
**Smell**2%
*“Smells”*
**Cold Relief**2%
*“Cold medication”*
## **Common guaifenesin 600 mg extended release tablets questions**
- **Is guaifenesin 600 mg extended release tablets profitable to sell on Amazon United States?**
- The niche generates $155K/yr across 21 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -19.7%. Flapen's verdict: Skip it (47/100).
- **How competitive is the guaifenesin 600 mg extended release tablets niche?**
- 12 brands and 63 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 86% of demand.
- **What do buyers complain about in guaifenesin 600 mg extended release tablets?**
- Top complaints mined from reviews: Functionality-Overall, Dosage, Size-Overall. The return rate is 0.0%.
- **When does demand for guaifenesin 600 mg extended release tablets peak?**
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- **What does it cost to enter the guaifenesin 600 mg extended release tablets niche?**
- Listings span $5.87–$33.52; the average listing price is $15.75 (sweet spot $15–$100). The average incumbent carries 3,406 reviews — the moat a new listing must climb.
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