---
title: "lysine cold sore treatment — Niche Verdict: Worth a look (50/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/health-household/lysine-cold-sore-treatment"
last_updated: "2026-07-14T05:21:43.962Z"
locale: en
meta:
  description: "lysine cold sore treatment shows low returns (0.1%), but soft demand (-22.2% this quarter) keeps it on the watch list."
  "og:description": "lysine cold sore treatment shows low returns (0.1%), but soft demand (-22.2% this quarter) keeps it on the watch list."
  "og:title": "lysine cold sore treatment — Niche Verdict: Worth a look (50/100) | Amazon United States - Flapen"
---

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# **lysine cold sore treatment**

**Worth a look**

Shows low returns (0.1%), but soft demand (-22.2% this quarter) keeps it on the watch list.

Market size 66Growth 14Conversion 97Competition 23Returns 100Price range 74Avg price 61Brand share 38Review moat 23Quality gap 33

**Returns**

**Incredible****0.1%**

return rate — above 6% kills the launch gate

**Conversion**

**Incredible****15.9%**

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

**Price range**

**Good****$6.54–$38.79**

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

**Market size**

**Good****$649K**

$649K/yr · 308K searches

**Avg price**

**Good****$13.28**

avg listing price — sweet spot $15–$100

**Brand share**

**Okay****82%**

top-5 brand share — brands hold most of the demand

**Quality gap**

**Okay****4.5★**

avg incumbent rating — lower means beatable quality

**Competition**

**Bad****72%**

top-5 click share — a locked-up shelf

**Review moat**

**Bad****7,136.6**

avg incumbent reviews — the moat a new listing must climb

**Growth**

**Bad****-22.2%**

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

## **Competition**

The top 5 products capture 72% of clicks — a locked-up shelf that new listings rarely crack.

**Brands**

**12 **▲rising

**Sellers**

**562**

**Top-5 brand share**

**82%**

**Open market**

**15%**

- Quantum54% - Basic Organics12% - NOW Foods7% - Herpecin-L5% - Clear Probiotics5% - Basic Brands3% - Open — no brand owns it (6 brands, 15%)

## **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%$65K20%$130K30%$195K40%$260K1001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales

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

All 15 tracked products in this niche — three views at once, no toggling.

### **Top sellers**

by 90-day click share

[1![Quantum Health Lip Clear Lysine+ Cold Sore Treatment Soothe & Moisturize Mouth Sores - L-Lysine Menthol Calendula & Propolis Ointment - Transparent Fever Blister Healing Balm - 0.25 Oz](https://m.media-amazon.com/images/I/513-3ZbhqlL.jpg)**Quantum Health Lip Clear Lysine+ Cold Sore Treatment Soothe & Moisturize Mouth Sores - L-Lysine Menthol Calendula & Propolis Ointment - Transparent Fever Blister Healing Balm - 0.25 Oz**Quantum**$7.60**4.6★5,884 rev](https://www.amazon.com/dp/B00014EGA0) [2![Basic Brands Lysine Lip Balm Cold Sore & Herpes Simplex Treatment](https://m.media-amazon.com/images/I/31i2Wl69uYL.jpg)**Basic Brands Lysine Lip Balm Cold Sore & Herpes Simplex Treatment**Basic Organics**$10.74**4.6★4,976 rev](https://www.amazon.com/dp/B000GG0WOC) [3![Quantum Health SuperLysine+ Coldstick Lip Sunscreen - Lysine Herbs & Nutrients Soothe & Moisturize Lips - Softens & Protects from the Sun - SPF 21 - Clear - 0.17 Ounce](https://m.media-amazon.com/images/I/41ZqsqAsjXL.jpg)**Quantum Health SuperLysine+ Coldstick Lip Sunscreen - Lysine Herbs & Nutrients Soothe & Moisturize Lips - Softens & Protects from the Sun - SPF 21 - Clear - 0.17 Ounce**Quantum**$7.67**4.6★1,525 rev](https://www.amazon.com/dp/B001CMT8HQ) [4![NOW Foods Supplements (L-Lysine Hydrochloride) 1 000 mg Double Strength Amino Acid 100 Tablets](https://m.media-amazon.com/images/I/41LkiflKzxL.jpg)**NOW Foods Supplements (L-Lysine Hydrochloride) 1 000 mg Double Strength Amino Acid 100 Tablets**NOW Foods**$8.52**4.6★37,975 rev](https://www.amazon.com/dp/B000Z9361G) [5![Herpecin-L Everyday Protection Lip Balm Stick SPF 30 - Relief from Cold Sores Fever Blisters and Chapped Lips with Lemon Balm 0.1oz](https://m.media-amazon.com/images/I/513e8lT2AaL.jpg)**Herpecin-L Everyday Protection Lip Balm Stick SPF 30 - Relief from Cold Sores Fever Blisters and Chapped Lips with Lemon Balm 0.1oz**Herpecin-L**$6.73**4.6★11,909 rev](https://www.amazon.com/dp/B000052YE1)

**~~View all top sellers →~~**

### **Newest**

by launch date

[![Lyranda - Lysine Cold Sore Treatment - Chewable L-Lysine Tablets - Faster Absorption and Better Hygiene](https://m.media-amazon.com/images/I/51lLAml5B6L.jpg)**Lyranda - Lysine Cold Sore Treatment - Chewable L-Lysine Tablets - Faster Absorption and Better Hygiene**Lyranda**$20.17**757 rev2y ago](https://www.amazon.com/dp/B0D94SZYDF) [![Mederma Cold Sore Discreet Patch - Hydrocolloid Gel Relieves Redness & Swelling Conceals Cold Sores](https://m.media-amazon.com/images/I/41jVzP6ZSHL.jpg)**Mederma Cold Sore Discreet Patch - Hydrocolloid Gel Relieves Redness & Swelling Conceals Cold Sores**Mederma**$13.06**12,947 rev5y ago](https://www.amazon.com/dp/B08MVF9YW1) [![Lysine Cold Sore Treatment for Lips with Pre-Probiotics & VIT C | 1 Month Supply | Supercharged Lysine Capsules with Rhamnosus & Acidophilus for Cold Sores Relief Skin + Gut Health & Immune Support](https://m.media-amazon.com/images/I/41pYggYvcNL.jpg)**Lysine Cold Sore Treatment for Lips with Pre-Probiotics & VIT C | 1 Month Supply | Supercharged Lysine Capsules with Rhamnosus & Acidophilus for Cold Sores Relief Skin + Gut Health & Immune Support**Clear Probiotics**$38.79**778 rev6y ago](https://www.amazon.com/dp/B08881XJNR) [![100% PURE Lysine + Herbs Healing Lip Balm Natural Soothing Nourishment for Sore Cracked Chapped or Irritated Lips - Natural Dry Lip Hydration Therapy for Women & Men](https://m.media-amazon.com/images/I/31CZeSrkSzL.jpg)**100% PURE Lysine + Herbs Healing Lip Balm Natural Soothing Nourishment for Sore Cracked Chapped or Irritated Lips - Natural Dry Lip Hydration Therapy for Women & Men**100% PURE**$7.94**636 rev7y ago](https://www.amazon.com/dp/B07FDHKM94) [![Super Lysine Plus+ ColdStick SPF 21 Regular 0.18 oz (Pack of 3) by Quantum Research](https://m.media-amazon.com/images/I/41Tv5NZqclL.jpg)**Super Lysine Plus+ ColdStick SPF 21 Regular 0.18 oz (Pack of 3) by Quantum Research**Quantum**$20.11**920 rev10y ago](https://www.amazon.com/dp/B01AE5XV5Q)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![100% PURE Lysine + Herbs Healing Lip Balm Natural Soothing Nourishment for Sore Cracked Chapped or Irritated Lips - Natural Dry Lip Hydration Therapy for Women & Men](https://m.media-amazon.com/images/I/31CZeSrkSzL.jpg)**100% PURE Lysine + Herbs Healing Lip Balm Natural Soothing Nourishment for Sore Cracked Chapped or Irritated Lips - Natural Dry Lip Hydration Therapy for Women & Men**100% PURE**$7.94**4.3★**▲ 64%**](https://www.amazon.com/dp/B07FDHKM94) [![Mederma Cold Sore Discreet Patch - Hydrocolloid Gel Relieves Redness & Swelling Conceals Cold Sores](https://m.media-amazon.com/images/I/41jVzP6ZSHL.jpg)**Mederma Cold Sore Discreet Patch - Hydrocolloid Gel Relieves Redness & Swelling Conceals Cold Sores**Mederma**$13.06**4.4★**▲ 59%**](https://www.amazon.com/dp/B08MVF9YW1) [![Pure Encapsulations L-Lysine - Essential Amino Acid Supplement for Immune Support & Gum Lip Health* - with L-Lysine HCl - 90 Capsules](https://m.media-amazon.com/images/I/41uL6ISOYKL.jpg)**Pure Encapsulations L-Lysine - Essential Amino Acid Supplement for Immune Support & Gum Lip Health* - with L-Lysine HCl - 90 Capsules**Pure Encapsulations**$14.74**4.8★**▲ 29%**](https://www.amazon.com/dp/B000H85JYC) [![NOW Foods Supplements (L-Lysine Hydrochloride) 1 000 mg Double Strength Amino Acid 100 Tablets](https://m.media-amazon.com/images/I/41LkiflKzxL.jpg)**NOW Foods Supplements (L-Lysine Hydrochloride) 1 000 mg Double Strength Amino Acid 100 Tablets**NOW Foods**$8.52**4.6★**▲ 20%**](https://www.amazon.com/dp/B000Z9361G) [![Basic Brands Lysine Lip Balm Cold Sore & Herpes Simplex Treatment](https://m.media-amazon.com/images/I/31i2Wl69uYL.jpg)**Basic Brands Lysine Lip Balm Cold Sore & Herpes Simplex Treatment**Basic Organics**$10.74**4.6★**▲ 19%**](https://www.amazon.com/dp/B000GG0WOC)

**~~View all trending →~~**

## **Demand & seasonality**

Weekly Amazon search volume, last 104 weeks — -22.2% search growth over the last 90 days.

8K6KPrime Day '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay

Peak months: Jan, Feb, Dec · busiest ÷ quietest = 2.2×

## **Reviews**

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

### **What buyers love **

**Quality-Overall**15%

*“Excellent product”*

**Efficiency**11%

*“it works QUICKLY”*

**Cold Relief**10%

*“It prevents cold sores”*

**Value For Money**8%

*“Good value”*

**Pain Relief-Overall**4%

*“No pain at all”*

**Moist/Dry**4%

*“Very effective and moisturizing”*

**Advertised Vs Actual Product**4%

*“Works as advertised”*

**Fever Relief**3%

*“Good for fever blisters”*

**Vitamin**2%

*“Quality vitamins”*

**Soft Feel**2%

*“Creamy and smooth”*

### **What buyers complain about **

**Size-Overall**9%

*“They are larger”*

**Adhesion/Stickiness**7%

*“They're very sticky”*

**Functionality-Overall**7%

*“It didnt help”*

**Taste-Overall**6%

*“Has a weird aftertaste”*

**Pain Relief-Overall**5%

*“more painful then they typically are”*

**Value For Money**4%

*“Waste of money”*

**Allergies**4%

*“I must be allergic”*

**Ease Of Use**4%

*“Very hard to use”*

**Ease Of Chewing/Swallowing**4%

*“Stay away; Impossible to swallow”*

**Moist/Dry**3%

*“started drying out”*

### **Top return reasons **

**Functionality-Overall**17%

**Advertised Vs Actual Product**13%

**Product Condition**10%

**Value For Money**10%

**Smell**9%

**Texture/Consistency-Overall**6%

**Ingredients-Overall**5%

**Certifications**3%

**Leak-Proof**3%

**Adhesion/Stickiness**2%