---
title: "Spring Valley L-lysine 1000mg Capsules — $12K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/spring-valley-l-lysine-1000mg-capsules"
last_updated: "2026-08-06T19:09:11.787Z"
locale: en
meta:
description: "Niche score 35/100 · $12K/yr market · 5K searches/yr · $14.86 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 35/100 · $12K/yr market · 5K searches/yr · $14.86 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Spring Valley L-lysine 1000mg Capsules — $12K/yr Amazon US Niche (2026) - Flapen"
---
# **spring valley l-lysine 1000mg capsules**
**Skip it**
A small market ($12K/yr) — this niche doesn't clear our bar today.
Market size 3Growth 26Conversion 98Competition 6Returns 100Price range 57Avg price 74Brand share 7Review moat 23Quality gap 15
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Conversion**
**Incredible****16.1%**
search→purchase rate — share of searches ending in a sale
**Avg price**
**Good****$14.86**
avg listing price — sweet spot $15–$100
**Price range**
**Good****$6.46–$26.27**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Okay****+0.5%**
90-day search growth — must beat 0% to launch
**Review moat**
**Bad****7,106.13**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Bad****4.8★**
avg incumbent rating — lower means beatable quality
**Brand share**
**Bad****97%**
top-5 brand share — brand-locked demand
**Competition**
**Bad****92%**
top-5 click share — a locked-up shelf
**Market size**
**Bad****$12K**
$12K/yr · 5K searches
**Signals**[** Low Review Barrier**](https://flapen.com/research/niches?market=us&signal=low_review_barrier "Top brand's reviews < 500") [** Out of Stock**](https://flapen.com/research/niches?market=us&signal=out_of_stock "OOS rate > 10%")
According to Flapen's Amazon United States niche tracking, spring valley l-lysine 1000mg capsules is a $12K/yr Amazon United States market (5K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Feb. Verdict: Skip it — 35/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **spring valley l-lysine 1000mg capsules market data**
- **Units sold / yr**
- **500–750**
- avg 100–250/product
- **Revenue / yr**
- **$7K–$11K**
- units × avg price
- **Conversion rate**
- **16.1%**
- **Avg BSR**
- **#150**
- **Page quality**
- **0%**
- **Prime**
- **75%**
- **Sponsored**
- **75%**
- **Out of stock**
- **6.2%**
- **Avg brand age**
- **125 months**
- **Avg seller age**
- **175 days**
## **Competition & brand share**
The top 5 products capture 92% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**6 **▲rising
**Sellers**
**54**
**Top-5 brand share**
**97%**
Top 20: 100%
**Top-5 click share**
**92%**
Top 20: 100%
**Open market**
**0%**
- FCQP47% - LUAL19% - Generic13% - NOW Foods11% - Nature Made8% - Pure Encapsulations3%
## **Demand & seasonality**
Weekly Amazon search volume, last 78 weeks — +0.5% search growth over the last 90 days.
2K1KSpike '25Prime Day '25Black Friday '25Spike '26 seasonFebMarAprMayJunJulAugSepOctNovDecJanFebMarAprMayJun
Peak months: Feb · busiest ÷ quietest = 6.3×
[**Open Trend **](https://flapen.com/research/us/health-household/spring-valley-l-lysine-1000mg-capsules/trend)
## **Top spring valley l-lysine 1000mg capsules search terms**
- **spring valley l-lysine 1000mg capsules**2K/yr-1.4%11.7% conv. - **l lysine 1000mg capsules spring valley**652/yr+13.3%2.7% conv. - **lysine spring valley**610/yr-16.3%15.6% conv. - **l lysine spring valley**501/yr+17.5%6.6% conv. - **l-lysine spring valley**421/yr-15.8%5.0% conv. - **spring valley l-lysine**438/yr+34.4%9.8% conv. - **l-lysine 1000mg capsules spring valley**216/yr-14.0%14.0% conv. - **spring valley lysine 1000mg capsules**223/yr+17.6%10.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/spring-valley-l-lysine-1000mg-capsules/search-terms)
## **Top spring valley l-lysine 1000mg capsules 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%15%$2K30%$4K45%$5K60%$7K1101001K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 8 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Spring Valley L-Lysine Dietary Supplement 1000mg 100 Tablets**FCQP**$12.66**4.8★8 rev](https://www.amazon.com/dp/B0FCM33MM3) [2**Spring Valley L-Lysine 1000mg Tablets 100 Count | Essential Amino Acid Supplement for Daily Wellness + Lualls Free Digital eBook**LUAL**$16.04**4.6★102 rev](https://www.amazon.com/dp/B0D33SS6G7) [3**NOW Foods Supplements (L-Lysine Hydrochloride) 1 000 mg Double Strength Amino Acid 100 Tablets**NOW Foods**$8.44**4.6★38,103 rev](https://www.amazon.com/dp/B000Z9361G) [4**L-Lysine 1000mg 100 Tablets Essential Amino Acid for Immune Support Collagen & Lip Health Comparable to Leading Brand (Pack-1)**Generic**$16.18**5.0★1 rev](https://www.amazon.com/dp/B0FD89CFTF) [5**Nature Made L-Lysine 1000 mg Dietary L-Lysine Supplements 60 Tablets 60 Day Supply**Nature Made**$6.46**4.6★12,920 rev](https://www.amazon.com/dp/B0000DJAR5)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**L Lysine 500mg Tablets Super Lysine Immune Support & Healthy Skin 250 Count (Pack 1)**Generic**$17.99**23 rev6mo ago](https://www.amazon.com/dp/B0GGDYPR7C) [**Spring Valley L-Lysine Dietary Supplement 1000mg 100 Tablets**FCQP**$12.66**8 rev1y ago](https://www.amazon.com/dp/B0FCM33MM3) [**L-Lysine 1000mg Tablets Lysine Essential Amino Acid for Immune Support Collagen Formation and Skin Health High Potency Lysine Supplement 100 Count Gluten-Free**Generic**$26.27**4 rev1y ago](https://www.amazon.com/dp/B0F8C3QJMW) [**L-Lysine 1000mg 100 Tablets Essential Amino Acid for Immune Support Collagen & Lip Health Comparable to Leading Brand (Pack-1)**Generic**$16.18**1 rev1y ago](https://www.amazon.com/dp/B0FD89CFTF) [**Spring Valley L-Lysine 1000mg Tablets 100 Count | Essential Amino Acid Supplement for Daily Wellness + Lualls Free Digital eBook**LUAL**$16.04**102 rev2y ago](https://www.amazon.com/dp/B0D33SS6G7)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Spring Valley L-Lysine Dietary Supplement 1000mg 100 Tablets**FCQP**$12.66**4.8★**▲ 213%**](https://www.amazon.com/dp/B0FCM33MM3) [**L-Lysine 1000mg 100 Tablets Essential Amino Acid for Immune Support Collagen & Lip Health Comparable to Leading Brand (Pack-1)**Generic**$16.18**5.0★**▲ 187%**](https://www.amazon.com/dp/B0FD89CFTF) [**L-Lysine 1000mg Tablets Lysine Essential Amino Acid for Immune Support Collagen Formation and Skin Health High Potency Lysine Supplement 100 Count Gluten-Free**Generic**$26.27**5.0★**▲ 134%**](https://www.amazon.com/dp/B0F8C3QJMW) [**NOW Foods Supplements (L-Lysine Hydrochloride) 1 000 mg Double Strength Amino Acid 100 Tablets**NOW Foods**$8.44**4.6★**▲ 56%**](https://www.amazon.com/dp/B000Z9361G) [**Pure Encapsulations L-Lysine - Essential Amino Acid Supplement for Immune Support & Gum Lip Health* - with L-Lysine HCl - 90 Capsules**Pure Encapsulations**$14.85**4.8★**▲ 46%**](https://www.amazon.com/dp/B000H85JYC)
**~~View all trending →~~**
## **What buyers say about spring valley l-lysine 1000mg capsules**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Cold Relief**16%
*“Super Effective for Cold Sores”*
**Vitamin**11%
*“Great vitamin supplement”*
**Value For Money**10%
*“Affordable”*
**Quality-Overall**10%
*“Good quality and trusted brand”*
**Advertised Vs Actual Product**5%
*“Great value if it works as advertised”*
**Fever Relief**4%
*“Works great for fever blisters”*
**Skin Health**4%
*“I highly recommend for acne, cystic acne, and cold sores”*
**Immunity Booster**3%
*“Quick boost immunity support”*
**Efficiency**3%
*“Theyre effective,”*
**Dosage**3%
*“This is a high dosage that I can take at the onset of one”*
### **What buyers complain about **
**Size-Overall**34%
*“Too big”*
**Ease Of Chewing/Swallowing**14%
*“Not sure it will get into mouth”*
**Functionality-Overall**6%
*“It didnt help”*
**Dosage**5%
*“They don't do well in the bottle”*
**Pain Relief-Overall**2%
*“They were painful and embarrassing”*
**Regulates Digestion**2%
*“diarrhea for 3 days I had to stop”*
**Hard Feel**2%
*“they are so hard that I couldn't even break them into two”*
**Cold Relief**2%
*“cold temps always caused cold sores for at least one of us”*
**Oral Hygiene**2%
*“My go to for mouth sore”*
**Nutritional Content**2%
*“There are no soy or corn ingredients in this supplement”*
### **Top return reasons **
**Ease Of Chewing/Swallowing**50%
**Size-Overall**50%
## **Common questions**
- **Is spring valley l-lysine 1000mg capsules profitable to sell on Amazon United States?**
- The niche generates $12K/yr across 8 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +0.5%. Flapen's verdict: Skip it (35/100).
- **How competitive is the spring valley l-lysine 1000mg capsules niche?**
- 6 brands and 54 sellers compete. The top 5 products take 92% of clicks and top 5 brands hold 97% of demand.
- **What do buyers complain about in spring valley l-lysine 1000mg capsules?**
- Top complaints mined from reviews: Size-Overall, Ease Of Chewing/Swallowing, Functionality-Overall. The return rate is 0.0%.
- **When does demand for spring valley l-lysine 1000mg capsules peak?**
- Demand peaks in Feb; the busiest month runs 6.3× the quietest.
- **What does it cost to enter the spring valley l-lysine 1000mg capsules niche?**
- Listings span $6.46–$26.27; the average listing price is $14.86 (sweet spot $15–$100). The average incumbent carries 7,106 reviews — the moat a new listing must climb.
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