---
title: "Sugar Free Cough Syrup — $111K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/sugar-free-cough-syrup"
last_updated: "2026-08-11T03:19:16.124Z"
locale: en
meta:
  description: "Niche score 38/100 · $111K/yr market · 79K searches/yr · $14.02 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:description": "Niche score 38/100 · $111K/yr market · 79K searches/yr · $14.02 avg price. Doesn't clear our bar today. Data updated Jul 2026."
  "og:title": "Sugar Free Cough Syrup — $111K/yr Amazon US Niche (2026) - Flapen"
---

# **sugar free cough syrup**

**Skip it**

Soft demand (-35.7% this quarter) — this niche doesn't clear our bar today.

Market size 27Growth 7Conversion 87Competition 20Returns 99Price range 54Avg price 67Brand share 14Review moat 37Quality gap 22

**Returns**

**Incredible****0.1%**

return rate — above 5% kills the launch gate

**Conversion**

**Great****10.1%**

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

**Avg price**

**Good****$14.02**

avg listing price — sweet spot $15–$100

**Price range**

**Good****$5.94–$25.60**

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

**Review moat**

**Okay****2,757.21**

avg incumbent reviews — the moat a new listing must climb

**Market size**

**Okay****$111K**

$111K/yr · 79K searches

**Quality gap**

**Bad****4.7★**

avg incumbent rating — lower means beatable quality

**Competition**

**Bad****76%**

top-5 click share — a locked-up shelf

**Brand share**

**Bad****94%**

top-5 brand share — brand-locked demand

**Growth**

**Bad****-35.7%**

90-day search growth — must beat 0% to launch

According to Flapen's Amazon United States niche tracking, sugar free cough syrup is a $111K/yr Amazon United States market (79K searches/yr). The top 5 brands hold 94% of demand. Demand peaks in Jan–Feb–Sep–Dec. Verdict: Skip it — 38/100.

Data updated Jul 11, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)

## **sugar free cough syrup market data**

<dl>

<dt>**Units sold / yr**</dt><dd>**13K–15K**</dd><dd>avg 1,250–1,500/product</dd>

<dt>**Revenue / yr**</dt><dd>**$175K–$210K**</dd><dd>units × avg price</dd>

<dt>**Conversion rate**</dt><dd>**10.1%**</dd>

<dt>**Avg BSR**</dt><dd>**#155**</dd>

<dt>**Page quality**</dt><dd>**0%**</dd>

<dt>**Prime**</dt><dd>**93%**</dd>

<dt>**Sponsored**</dt><dd>**86%**</dd>

<dt>**Out of stock**</dt><dd>**0.0%**</dd>

<dt>**Avg brand age**</dt><dd>**74 months**</dd>

<dt>**Avg seller age**</dt><dd>**157 days**</dd>

</dl>

## **Competition & brand share**

The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**8 **▲rising

**Sellers**

**29**

**Top-5 brand share**

**94%**

Top 20: 100%

**Top-5 click share**

**76%**

Top 20: 100%

**Open market**

**3%**

- Diabetic Tussin54% - Safetussin30% - Vicks5% - HealthA2Z3% - Coricidin HBP3% - Gooi2% - Open — no brand owns it (2 brands, 3%)

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -35.7% search growth over the last 90 days.

5K4KSpike '24Spike '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Sep, Dec · busiest ÷ quietest = 3.3×

[**Open Trend **](https://flapen.com/research/us/health-household/sugar-free-cough-syrup/trend)

## **Top sugar free cough syrup search terms**

- **sugar free cough syrup**18K/yr-16.8%7.8% conv. - **diabetic tussin**14K/yr-20.6%14.3% conv. - **diabetic cough syrup sugar free**9K/yr-47.7%17.0% conv. - **diabetic tussin sugar free maximum strength**6K/yr-27.7%25.2% conv. - **sugar free cough medicine**4K/yr-21.4%10.6% conv. - **diabetic tussin sugar free cough syrup**5K/yr-50.5%12.9% conv. - **diabetic cough medicine**5K/yr-48.6%10.5% conv. - **sugar free cold medicine**3K/yr-46.0%5.5% conv. - **robitussin sugar free cough syrup**3K/yr-41.8%6.3% conv. - **robitussin sugar free**4K/yr-61.8%9.2% conv. [**All search terms **](https://flapen.com/research/us/health-household/sugar-free-cough-syrup/search-terms)

## **Top sugar free cough syrup 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%10%$11K20%$22K30%$33K40%$45K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 14 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Diabetic Tussin DM Max Strength Cough & Chest Congestion Relief Safe for Diabetics Berry Flavored 8 fl oz. (Pack of 1)](https://m.media-amazon.com/images/I/41cF5X724uL.jpg)**Diabetic Tussin DM Max Strength Cough & Chest Congestion Relief Safe for Diabetics Berry Flavored 8 fl oz. (Pack of 1)**Diabetic Tussin**$11.28**4.6★4,769 rev](https://www.amazon.com/dp/B000GCJU7Q) [2![Safetussin DM Cough & Chest Congestion 8 oz Expectorant Mucus Relief Cough Relief Syrup Safe for Adults with High Blood Pressure & Diabetes](https://m.media-amazon.com/images/I/41jWJIN5q8L.jpg)**Safetussin DM Cough & Chest Congestion 8 oz Expectorant Mucus Relief Cough Relief Syrup Safe for Adults with High Blood Pressure & Diabetes**Safetussin**$10.18**4.7★2,690 rev](https://www.amazon.com/dp/B0C6B59T3W) [3![Diabetic Tussin DM Maximum Strength Cough Medicine for Adults People with Diabetes No Sugar Dyes Sodium Fructose or Alcohol Berry Flavored Cough Syrup 4 Fl Oz Pack of 3](https://m.media-amazon.com/images/I/51sUuLMAI9L.jpg)**Diabetic Tussin DM Maximum Strength Cough Medicine for Adults People with Diabetes No Sugar Dyes Sodium Fructose or Alcohol Berry Flavored Cough Syrup 4 Fl Oz Pack of 3**Diabetic Tussin**$17.37**4.6★4,769 rev](https://www.amazon.com/dp/B07PJ97V96) [4![Diabetic Tussin DM Maximum Strength Cough Medicine for Adults People with Diabetes No Sugar Dyes Sodium Fructose or Alcohol Berry Flavored Cough Syrup 4 Fl Oz](https://m.media-amazon.com/images/I/41i-dii5sXL.jpg)**Diabetic Tussin DM Maximum Strength Cough Medicine for Adults People with Diabetes No Sugar Dyes Sodium Fructose or Alcohol Berry Flavored Cough Syrup 4 Fl Oz**Diabetic Tussin**$7.53**4.6★4,769 rev](https://www.amazon.com/dp/B001GCTZWK) [5![VICKS DayQuil & NyQuil Diabetes Cold & Flu Relief Medicine Co-Pack Powerful Multi-Symptom Daytime & Nighttime Relief for Cold Cough and Flu Symptoms Sugar & Alcohol Free 2 x 12 FL OZ Bottles](https://m.media-amazon.com/images/I/51IxiNM9QhL.jpg)**VICKS DayQuil & NyQuil Diabetes Cold & Flu Relief Medicine Co-Pack Powerful Multi-Symptom Daytime & Nighttime Relief for Cold Cough and Flu Symptoms Sugar & Alcohol Free 2 x 12 FL OZ Bottles**Vicks**$20.58**4.8★404 rev](https://www.amazon.com/dp/B0D3SNPZTY)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Gooi Extra Wide Diabetic Socks for Swollen Feet Men Women Non Binding Top Loose Fit Over the Calf Soft Stretch Edema Neuropathy Bariatric Comfort Plus Size Lemon Ice Pattern](https://m.media-amazon.com/images/I/41iMWFgvvKL.jpg)**Gooi Extra Wide Diabetic Socks for Swollen Feet Men Women Non Binding Top Loose Fit Over the Calf Soft Stretch Edema Neuropathy Bariatric Comfort Plus Size Lemon Ice Pattern**Gooi**$15.80**2,576 rev8mo ago](https://www.amazon.com/dp/B0G12714WL) [![HealthA2Z Tussin DM Sugar Free | 8 FL.Oz Raspberry Flavor | Dextromethorphan HBr 20mg Guaifenesin 200mg | for Adults with High Blood Pressure & Diabetes | Cough Suppressant & Expectorant](https://m.media-amazon.com/images/I/41pHzPJ2IoL.jpg)**HealthA2Z Tussin DM Sugar Free | 8 FL.Oz Raspberry Flavor | Dextromethorphan HBr 20mg Guaifenesin 200mg | for Adults with High Blood Pressure & Diabetes | Cough Suppressant & Expectorant**HealthA2Z**$8.99**60 rev11mo ago](https://www.amazon.com/dp/B0FJN56TD1) [![Safetussin PM Night Time Cold and Cough Medicine for Adults 8 oz Cough Relief Syrup](https://m.media-amazon.com/images/I/41Rv7z3-xYL.jpg)**Safetussin PM Night Time Cold and Cough Medicine for Adults 8 oz Cough Relief Syrup**Safetussin**$10.88**1,043 rev1y ago](https://www.amazon.com/dp/B0DG63WQKG) [![VICKS DayQuil & NyQuil Diabetes Cold & Flu Relief Medicine Co-Pack Powerful Multi-Symptom Daytime & Nighttime Relief for Cold Cough and Flu Symptoms Sugar & Alcohol Free 2 x 12 FL OZ Bottles](https://m.media-amazon.com/images/I/51IxiNM9QhL.jpg)**VICKS DayQuil & NyQuil Diabetes Cold & Flu Relief Medicine Co-Pack Powerful Multi-Symptom Daytime & Nighttime Relief for Cold Cough and Flu Symptoms Sugar & Alcohol Free 2 x 12 FL OZ Bottles**Vicks**$20.58**404 rev2y ago](https://www.amazon.com/dp/B0D3SNPZTY) [![Diabetic Tussin Sugar Free Sore Throat & Cough Drops Wild Cherry 15 Count Sodium-Free Lozenges with Soothing Liquid Center](https://m.media-amazon.com/images/I/51U1KkGtzjL.jpg)**Diabetic Tussin Sugar Free Sore Throat & Cough Drops Wild Cherry 15 Count Sodium-Free Lozenges with Soothing Liquid Center**Diabetic Tussin**$7.33**264 rev2y ago](https://www.amazon.com/dp/B07PH5LZRN)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![Gooi Extra Wide Diabetic Socks for Swollen Feet Men Women Non Binding Top Loose Fit Over the Calf Soft Stretch Edema Neuropathy Bariatric Comfort Plus Size Lemon Ice Pattern](https://m.media-amazon.com/images/I/41iMWFgvvKL.jpg)**Gooi Extra Wide Diabetic Socks for Swollen Feet Men Women Non Binding Top Loose Fit Over the Calf Soft Stretch Edema Neuropathy Bariatric Comfort Plus Size Lemon Ice Pattern**Gooi**$15.80**4.4★**▲ 459%**](https://www.amazon.com/dp/B0G12714WL) [![Special Essentials Diabetic Socks for Men & Women 12 Pairs of Non-Binding Extra Wide Top Cotton Neuropathy Socks Crew Length White 10-13](https://m.media-amazon.com/images/I/41eiT1F2gpL.jpg)**Special Essentials Diabetic Socks for Men & Women 12 Pairs of Non-Binding Extra Wide Top Cotton Neuropathy Socks Crew Length White 10-13**Special Essentials**$25.60**4.5★**▲ 453%**](https://www.amazon.com/dp/B08L6RPRBX) [![HealthA2Z Tussin DM Sugar Free | 8 FL.Oz Raspberry Flavor | Dextromethorphan HBr 20mg Guaifenesin 200mg | for Adults with High Blood Pressure & Diabetes | Cough Suppressant & Expectorant](https://m.media-amazon.com/images/I/41pHzPJ2IoL.jpg)**HealthA2Z Tussin DM Sugar Free | 8 FL.Oz Raspberry Flavor | Dextromethorphan HBr 20mg Guaifenesin 200mg | for Adults with High Blood Pressure & Diabetes | Cough Suppressant & Expectorant**HealthA2Z**$8.99**4.5★**▲ 150%**](https://www.amazon.com/dp/B0FJN56TD1) [![Safetussin Max Multi-Symptom Cough Relief Syrup 8 fl oz Cold and Flu Cough Syrup](https://m.media-amazon.com/images/I/512XUzUWdiL.jpg)**Safetussin Max Multi-Symptom Cough Relief Syrup 8 fl oz Cold and Flu Cough Syrup**Safetussin**$11.17**4.8★**▲ 41%**](https://www.amazon.com/dp/B0CLH8BF11) [![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★**— 8%**](https://www.amazon.com/dp/B087D294P5)

**~~View all trending →~~**

## **What buyers say about sugar free cough syrup**

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

### **What buyers love **

**Cough Relief**22%

*“Excellent Cough Syrup”*

**Value For Money**9%

*“Good price”*

**Quality-Overall**9%

*“Good quality”*

**Efficiency**7%

*“This is effective”*

**Advertised Vs Actual Product**5%

*“As advertised”*

**Taste-Overall**5%

*“It works and it tastes ok”*

**Size-Overall**5%

*“Excellent fit”*

**Comfort-Overall**4%

*“Super Comfortable”*

**Cold Relief**4%

*“Help me get through my cold”*

**Blood Sugar Level**3%

*“For diabetics works good”*

### **What buyers complain about **

**Taste-Overall**11%

*“Taste like crap”*

**Cough Relief**7%

*“very bad moist cough very sick”*

**Functionality-Overall**5%

*“Does not work”*

**Blood Sugar Level**5%

*“did not raise my blood sugar”*

**Ease Of Use**4%

*“Unable to use”*

**Value For Money**3%

*“They are socks, expensive socks”*

**Size-Overall**3%

*“Runs small”*

**Quality-Overall**2%

*“cheaply made”*

**Thigh Fit**2%

*“Absolutely horrible would not even stay up over my calf very cheaply made”*

**Strength**2%

*“it is weak”*

### **Top return reasons **

**Size-Overall**31%

**Feet Fit**13%

**Length**12%

**Material Quality**5%

**Advertised Vs Actual Product**5%

**Width**4%

**Thigh Fit**4%

**Ankle Support**3%

**Thickness**3%

**Quality-Overall**2%

## **Common questions**

<dl>

<dt>**Is sugar free cough syrup profitable to sell on Amazon United States?**</dt><dd>The niche generates $111K/yr across 14 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is -35.7%. Flapen's verdict: Skip it (38/100).</dd>

<dt>**How competitive is the sugar free cough syrup niche?**</dt><dd>8 brands and 29 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 94% of demand.</dd>

<dt>**What do buyers complain about in sugar free cough syrup?**</dt><dd>Top complaints mined from reviews: Taste-Overall, Cough Relief, Functionality-Overall. The return rate is 0.1%.</dd>

<dt>**When does demand for sugar free cough syrup peak?**</dt><dd>Demand peaks in Jan–Feb–Sep–Dec; the busiest month runs 3.3× the quietest.</dd>

<dt>**What does it cost to enter the sugar free cough syrup niche?**</dt><dd>Listings span $5.94–$25.60; the average listing price is $14.02 (sweet spot $15–$100). The average incumbent carries 2,757 reviews — the moat a new listing must climb.</dd>

</dl>

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