---
title: "Dayquil Liquid — $419K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/dayquil-liquid"
last_updated: "2026-08-11T08:08:37.304Z"
locale: en
meta:
description: "Niche score 49/100 · $419K/yr market · 221K searches/yr · $13.14 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 49/100 · $419K/yr market · 221K searches/yr · $13.14 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Dayquil Liquid — $419K/yr Amazon US Niche (2026) - Flapen"
---
# **dayquil liquid**
**Skip it**
Soft demand (-45.8% this quarter) — this niche doesn't clear our bar today.
Market size 56Growth 2Conversion 97Competition 59Returns 100Price range 67Avg price 60Brand share 14Review moat 49Quality gap 20
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****14.4%**
search→purchase rate — share of searches ending in a sale
**Price range**
**Good****$5.60–$34.09**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Good****$13.14**
avg listing price — sweet spot $15–$100
**Competition**
**Good****50%**
top-5 click share — leaders hold, buyers still browse
**Market size**
**Good****$419K**
$419K/yr · 221K searches
**Review moat**
**Okay****1,629.93**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.7★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****94%**
top-5 brand share — brand-locked demand
**Growth**
**Bad****-45.8%**
90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, dayquil liquid is a $419K/yr Amazon United States market (221K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Jan–Feb–Sep–Oct–Nov. Verdict: Skip it — 49/100.
Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **dayquil liquid market data**
- **Units sold / yr**
- **30K–40K**
- avg 1,250–1,500/product
- **Revenue / yr**
- **$394K–$526K**
- units × avg price
- **Conversion rate**
- **14.4%**
- **Avg BSR**
- **#338**
- **Page quality**
- **0%**
- **Prime**
- **93%**
- **Sponsored**
- **64%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **95 months**
- **Avg seller age**
- **151 days**
## **Competition & brand share**
The top 5 products take 50% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**10 **▲rising
**Sellers**
**93**
**Top-5 brand share**
**94%**
Top 20: 100%
**Top-5 click share**
**50%**
Top 20: 93%
**Open market**
**4%**
- Vicks37% - Broncolin33% - Amazon Basic Care10% - Amazon Basics8% - Robitussin6% - GoodSense2% - Open — no brand owns it (4 brands, 4%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — -45.8% search growth over the last 90 days.
45K35KSpike '24Spike '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Jan, Feb, Sep, Oct, Nov · busiest ÷ quietest = 6.6×
[**Open Trend **](https://flapen.com/research/us/health-household/dayquil-liquid/trend)
## **Top dayquil liquid search terms**
- **broncolin**41K/yr-49.5%11.4% conv. - **dayquil liquid**35K/yr-55.2%15.6% conv. - **dayquil and nyquil pack liquid**27K/yr-40.8%14.2% conv. - **nyquil honey**20K/yr-33.7%10.6% conv. - **broncolin honey syrup with propolis**16K/yr-28.5%12.3% conv. - **dayquil honey**13K/yr-32.7%10.1% conv. - **robitussin cf**12K/yr-47.1%11.8% conv. - **jarabe para la gripe**7K/yr-52.2%2.8% conv. - **nyquil dayquil combo pack liquid**6K/yr-59.6%10.6% conv. - **honey nyquil**4K/yr-25.2%12.6% conv. [**All search terms **](https://flapen.com/research/us/health-household/dayquil-liquid/search-terms)
## **Top dayquil liquid products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%4%$17K8%$34K12%$50K16%$67K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Broncolin Honey Syrup with Propolis Syrup with Natural Plant extracts to Refresh Your Throat Natural Ingredients Elderberry Eucalyptus Peppermint Oil 11.4 Oz Bottle**Broncolin**$8.48**4.7★2,017 rev](https://www.amazon.com/dp/B00329U70O) [2**Vicks DayQuil and NyQuil Severe Cold & Flu Honey Liquid Over-the-Counter Medicine 2x12 Oz**Vicks**$20.57**4.7★8,878 rev](https://www.amazon.com/dp/B08BPZVLC9) [3**Broncolin Honey Syrup with Natural Plant Extracts Soothing Honey Flavor 11.4 oz Bottle**Broncolin**$8.28**4.7★1,881 rev](https://www.amazon.com/dp/B000R8MZ1M) [4**Amazon Basics Daytime Cold and Flu Relief Non-Drowsy Liquid Medicine Original Flavor 12 fl oz (Pack of 1) (Previously Care)**Amazon Basics**$5.97**4.7★2,901 rev](https://www.amazon.com/dp/B07JKZBL1F) [5**Robitussin Maximum Strength CF Max Severe Multi-Symptom Daytime and Nighttime Relief from Cough Cold and Flu Adult Formula 8 fl oz**Robitussin**$12.48**4.8★403 rev](https://www.amazon.com/dp/B0DMGPYP92)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Vicks DayQuil & NyQuil Hot Remedy Cold & Flu Powder Mix Over-The-Counter Medicine Value Pack Fast Relief for Headache Fever Sore Throat Minor Aches and Pains and Cough 16 Packets**Vicks**$17.19**292 rev1y ago](https://www.amazon.com/dp/B0FBNSTP85) [**Robitussin Maximum Strength CF Max Severe Multi-Symptom Daytime and Nighttime Relief from Cough Cold and Flu Adult Formula 8 fl oz**Robitussin**$12.48**403 rev1y ago](https://www.amazon.com/dp/B0DMGPYP92) [**Vicks DayQuil Severe Cold & Flu Liquid Medicine Daytime Relief for Headache Fever Sore Throat Minor Aches & Pains Chest Congestion Stuffy Nose Nasal Congestion Sinus Pressure & Cough 2x12oz**Vicks**$24.51**887 rev1y ago](https://www.amazon.com/dp/B0DHYJQ99R) [**AXIV Daytime Multi-Symptom Day Relief for Cold Cough and Flu Symptom Non-Drowsy Alcohol Free Cold & Flu Relief Liquid Medicine 12 FL OZ**AXIV**$8.98**155 rev1y ago](https://www.amazon.com/dp/B0D9P6XN33) [**VICKS DayQuil & NyQuil Elderberry Flavor Cold & Flu Liquid Medicine Co-Pack Multi-Symptom Relief of Headache Fever Sore Throat Minor Aches & Pains Sneezing Runny Nose and Cough 2x12oz**Vicks**$20.24**1,696 rev2y ago](https://www.amazon.com/dp/B0D5MVNGSX)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**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**$6.08**4.7★**▲ 159%**](https://www.amazon.com/dp/B09HJTM8DK) [**Amazon Basics Daytime Cold and Flu Relief Non-Drowsy Liquid Medicine Original Flavor 12 fl oz (Pack of 1) (Previously Care)**Amazon Basics**$5.97**4.7★**▲ 113%**](https://www.amazon.com/dp/B07JKZBL1F) [**Broncolin Honey Syrup with Propolis Syrup with Natural Plant extracts to Refresh Your Throat Natural Ingredients Elderberry Eucalyptus Peppermint Oil 11.4 Oz Bottle**Broncolin**$8.48**4.7★**▲ 106%**](https://www.amazon.com/dp/B00329U70O) [**AXIV Daytime Multi-Symptom Day Relief for Cold Cough and Flu Symptom Non-Drowsy Alcohol Free Cold & Flu Relief Liquid Medicine 12 FL OZ**AXIV**$8.98**4.6★**▲ 94%**](https://www.amazon.com/dp/B0D9P6XN33) [**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**$6.61**4.7★**▲ 71%**](https://www.amazon.com/dp/B00ASEO13A)
**~~View all trending →~~**
## **What buyers say about dayquil liquid**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Value For Money**15%
*“less expensive”*
**Efficiency**12%
*“Just as effective as the name brand”*
**Cold Relief**10%
*“Cold relief”*
**Quality-Overall**10%
*“Best quality”*
**Cough Relief**8%
*“Good cough syrup”*
**Taste-Overall**7%
*“I also like that it doesnt leave a terrible aftertaste”*
**Sleep Quality**7%
*“Great night's sleep”*
**Advertised Vs Actual Product**6%
*“Was as advertised”*
**Flavor**2%
*“Decent flavor too”*
**Fever Relief**2%
*“Really helpful for my kid sick”*
### **What buyers complain about **
**Taste-Overall**37%
*“Tastes kinda nasty”*
**Flavor**9%
*“Flavor is weird”*
**Cough Relief**5%
*“Ineffective cough suppression. for me”*
**Functionality-Overall**4%
*“Did not work”*
**Smell**3%
*“actually smells a little bit like urine”*
**Value For Money**3%
*“But the price is crazy”*
**Sleep Quality**3%
*“does make me sleepy”*
**Size-Overall**2%
*“Bottles are smaller than the non-HBP”*
**Dosage**2%
*“Figuring out the dosage was difficult”*
**Advertised Vs Actual Product**1%
*“Not the same”*
### **Top return reasons **
**Advertised Vs Actual Product**100%
## **Common questions**
- **Is dayquil liquid profitable to sell on Amazon United States?**
- The niche generates $419K/yr across 28 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -45.8%. Flapen's verdict: Skip it (49/100).
- **How competitive is the dayquil liquid niche?**
- 10 brands and 93 sellers compete. The top 5 products take 50% of clicks and top 5 brands hold 94% of demand.
- **What do buyers complain about in dayquil liquid?**
- Top complaints mined from reviews: Taste-Overall, Flavor, Cough Relief. The return rate is 0.0%.
- **When does demand for dayquil liquid peak?**
- Demand peaks in Jan–Feb–Sep–Oct–Nov; the busiest month runs 6.6× the quietest.
- **What does it cost to enter the dayquil liquid niche?**
- Listings span $5.60–$34.09; the average listing price is $13.14 (sweet spot $15–$100). The average incumbent carries 1,630 reviews — the moat a new listing must climb.
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