---
title: "L Glutathione — $16K/mo Amazon US Product Research (2026)"
canonical_url: "https://flapen.com/research/us/health-household/l-glutathione"
last_updated: "2026-08-12T15:05:44.782Z"
locale: en
meta:
description: "Amazon product research for l glutathione: $16K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:description": "Amazon product research for l glutathione: $16K/mo market, demand, competition, pricing, reviews & the verdict. Know if it's worth selling — Flapen."
"og:title": "L Glutathione — $16K/mo Amazon US Product Research (2026)"
---
# **L Glutathione**
**Worth a look**
Shows low returns (0.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 38Growth 44Conversion 75Competition 75Returns 100Price range 82Avg price 95Brand share 86Review moat 50Quality gap 48
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Avg price**
**Incredible****$30.43**
avg listing price — sweet spot $15–$100
**Brand share**
**Great****49%**
top-5 brand share — no brand owns this niche
**Price range**
**Great****$9.35–$110.13**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Conversion**
**Good****6.9%**
search→purchase rate — share of searches ending in a sale
**Competition**
**Good****40%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****1,519.2**
avg incumbent reviews — the moat a new listing must climb
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Growth**
**Okay****+14.9%**
90-day search growth — must beat 0% to launch
**Market size**
**Okay****$189K**
$189K/yr · 89K searches
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
## **Is l glutathione profitable on Amazon?**
According to Flapen's Amazon United States niche tracking, l glutathione is a $189K/yr Amazon United States market (89K searches/yr). The top 5 brands hold 49% of demand. Verdict: Worth a look — 66/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **l glutathione market size & sales**
Units sold, revenue, conversion and listing quality across the tracked shelf.
- **Units sold / yr**
- **5K–6K**
- avg 100–250/product
- **Revenue / yr**
- **$152K–$183K**
- units × avg price
- **Conversion rate**
- **6.9%**
- **Avg BSR**
- **#517**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **93%**
- **Out of stock**
- **2.6%**
- **Avg brand age**
- **63 months**
- **Avg seller age**
- **157 days**
## **Competition: brands, sellers & click share**
The top 5 products take 40% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**33 **▲rising
**Sellers**
**127**
**Top-5 brand share**
**49%**
Top 20: 87%
**Top-5 click share**
**40%**
Top 20: 76%
**Open market**
**48%**
- NOW Foods19% - Alpha Flow11% - Nutricost8% - Pure Encapsulations7% - Prunucis4% - Rho Nutrition4%
## **l glutathione demand & seasonality**
Weekly Amazon search volume, last 99 weeks — +14.9% search growth over the last 90 days.
3K2KSpike '24Spike '25Prime Day '25Spike '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.3×
[**Open Trend **](https://flapen.com/research/us/health-household/l-glutathione/trend)
## **Top l glutathione search terms shoppers use**
The exact queries shoppers type, with yearly volume, growth and conversion.
- **l glutathione**49K/yr+14.9%4.3% conv. - **l-glutathione**24K/yr+18.1%5.1% conv. - **l glutathione supplement**15K/yr+10.5%4.1% conv. - **l glutathione 500mg**1K/yr-5.2%2.9% conv. - **l-glutathione 500mg capsules**164/yr+38.1%0.0% conv. [**All search terms **](https://flapen.com/research/us/health-household/l-glutathione/search-terms)
## **Top l glutathione 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%3%$6K6%$11K9%$17K12%$23K101001K10K100K 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**Liposomal Glutathione Supplement 1000MG + 750MG- Glutathione Liposomal with VIT C + Phospholipid Antioxidant Complex - Liver Detox and Immune Support Supplement - 120 Caps - Powder&Liquid Alternative**Alpha Flow**$23.52**4.5★1,218 rev](https://www.amazon.com/dp/B0CKJ4WBXP) [2**NOW Foods Supplements Glutathione 500 mg With Milk Thistle Extract & Alpha Lipoic Acid Free Radical Neutralizer* 60 Veg Capsules**NOW Foods**$20.31**4.6★10,419 rev](https://www.amazon.com/dp/B0019LWV92) [3**NOW Foods Supplements L-Glutamine 500 mg Nitrogen Transporter* Amino Acid 120 Veg Capsules**NOW Foods**$9.35**4.5★13,166 rev](https://www.amazon.com/dp/B000QVCAKQ) [4**Nutricost Glutathione Capsules 500mg 240 Capsules - Gluten Free GMO Free**Nutricost**$40.58**4.7★1,571 rev](https://www.amazon.com/dp/B088NDXC8N) [5**Pure Encapsulations Liposomal Glutathione - Immune Support & Liver Detox* - Antioxidant Protection - with Setria Glutathione - Non-GMO - 30 Softgel Capsules**Pure Encapsulations**$63.72**4.6★1,151 rev](https://www.amazon.com/dp/B00AX0O2OC)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**Rosabella Liposomal Glutathione 500mg High Absorption Glutathione Supplement Antioxidant Support Cellular Health & Detox Support 60 Capsules 30 Day Supply Daily Antioxidant Capsules**Rosabella**$13.14**97 rev3mo ago](https://www.amazon.com/dp/B0GW9MBRKX) [**Cata-Kor Liposomal Glutathione 1000mg Ultra High Absorption with Resveratrol Vitamin C Selenium & Vitamin B2 Antioxidant Support for Immune Support & Healthy Aging (60 Count (Pack of 1))**Cata-Kor**$21.51**220 rev4mo ago](https://www.amazon.com/dp/B0GTBGW9YN) [**Liposomal Glutathione Supplement Liquid Drops 5-in-1 Ultra Strength L-Glutathione 1750mg w. Milk Thistle Vitamin C NAC Alpha Lipoic Acid for Skin Whitening Liver Detox Antioxidant Immune Brain Health**Scibalia**$11.75**52 rev7mo ago](https://www.amazon.com/dp/B0G51BYWLH) [**CYMBIOTIKA Liposomal Glutathione Supplement PQQ CoQ10 & Antioxidants for Detox Brain Energy Immune Support Advanced Absorption for Cellular Health & Longevity Citrus Vanilla 1 Month Supply**CYMBIOTIKA**$70.19**170 rev9mo ago](https://www.amazon.com/dp/B0FX3FMMJ7) [**Liposomal Glutathione Supplement High-Potency Antioxidant L-Glutathione Supplement Collagen Resveratrol Hyaluronic Acid Supports Skin Health & Overall Wellness 2550mg Active Ingredients 60 Softgels**senseOfeeling**$15.46**35 rev11mo ago](https://www.amazon.com/dp/B0FLXFRD7H)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Rosabella Liposomal Glutathione 500mg High Absorption Glutathione Supplement Antioxidant Support Cellular Health & Detox Support 60 Capsules 30 Day Supply Daily Antioxidant Capsules**Rosabella**$13.14**4.4★**▲ 226%**](https://www.amazon.com/dp/B0GW9MBRKX) [**Cata-Kor Liposomal Glutathione 1000mg Ultra High Absorption with Resveratrol Vitamin C Selenium & Vitamin B2 Antioxidant Support for Immune Support & Healthy Aging (60 Count (Pack of 1))**Cata-Kor**$21.51**4.4★**▲ 225%**](https://www.amazon.com/dp/B0GTBGW9YN) [**Liposomal Glutathione Supplement Liquid Drops 5-in-1 Ultra Strength L-Glutathione 1750mg w. Milk Thistle Vitamin C NAC Alpha Lipoic Acid for Skin Whitening Liver Detox Antioxidant Immune Brain Health**Scibalia**$11.75**4.3★**▲ 189%**](https://www.amazon.com/dp/B0G51BYWLH) [**CYMBIOTIKA Liposomal Glutathione Supplement PQQ CoQ10 & Antioxidants for Detox Brain Energy Immune Support Advanced Absorption for Cellular Health & Longevity Citrus Vanilla 1 Month Supply**CYMBIOTIKA**$70.19**4.3★**▲ 116%**](https://www.amazon.com/dp/B0FX3FMMJ7) [**Life Extension Glutathione Cysteine & C 500 mg of Vitamin C Powerful antioxidant Supplement to Support Liver Health Gluten-Free Non-GMO 100 Capsules**Life Extension**$15.30**4.5★**▲ 65%**](https://www.amazon.com/dp/B00BRAZIRM)
**~~View all trending →~~**
## **What reviews say buyers love and hate about l glutathione**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**15%
*“Excellent product”*
**Taste-Overall**8%
*“Good Tasting”*
**Energy Level**5%
*“More energy”*
**Skin Health**5%
*“improvement of my skin”*
**Value For Money**4%
*“Good product for price”*
**Ease Of Use**4%
*“easy to administer”*
**Vitamin**4%
*“Excellent supplement”*
**Advertised Vs Actual Product**3%
*“As advertised”*
**Ease Of Chewing/Swallowing**3%
*“don't pose issues in swallowing”*
**Efficiency**3%
*“Works well”*
### **What buyers complain about **
**Taste-Overall**19%
*“the taste is horrific”*
**Smell**10%
*“Smells rancid”*
**Value For Money**6%
*“Not worth it”*
**Dosage**4%
*“Number of servings per container is incorrect”*
**Functionality-Overall**4%
*“Did not work”*
**Side Effects**3%
*“Bad side effect”*
**Allergies**2%
*“Allergic reaction”*
**Flavor**2%
*“Maybe the flavoring is inconsistent bottle to bottle”*
**Size-Overall**2%
*“They are big”*
**Acid Regulator/Stomach Ache Relief**2%
*“A lot of supplements are hard on my stomach”*
### **Top return reasons **
**Taste-Overall**23%
**Advertised Vs Actual Product**10%
**Quality-Overall**7%
**Value For Money**6%
**Functionality-Overall**6%
**Smell**6%
**Leak-Proof**5%
**Regulates Digestion**4%
**Adhesion/Stickiness**2%
**Ethically/Sustainably Sourced**2%
## **Common l glutathione questions**
- **Is l glutathione profitable to sell on Amazon United States?**
- The niche generates $189K/yr across 45 tracked products. 8 of 8 products launched in the last 360 days are still selling. 90-day search growth is +14.9%. Flapen's verdict: Worth a look (66/100).
- **How competitive is the l glutathione niche?**
- 33 brands and 127 sellers compete. The top 5 products take 40% of clicks and top 5 brands hold 49% of demand.
- **What do buyers complain about in l glutathione?**
- Top complaints mined from reviews: Taste-Overall, Smell, Value For Money. The return rate is 0.0%.
- **When does demand for l glutathione peak?**
- Demand is steady year-round — the busiest month runs 1.3× the quietest.
- **What does it cost to enter the l glutathione niche?**
- Listings span $9.35–$110.13; the average listing price is $30.43 (sweet spot $15–$100). The average incumbent carries 1,519 reviews — the moat a new listing must climb.
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