---
title: "Nutricost L Glutamine — $33K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/health-household/nutricost-l-glutamine"
last_updated: "2026-08-12T04:07:52.443Z"
locale: en
meta:
description: "Niche score 40/100 · $33K/yr market · 15K searches/yr · $20.90 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 40/100 · $33K/yr market · 15K searches/yr · $20.90 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Nutricost L Glutamine — $33K/yr Amazon US Niche (2026) - Flapen"
---
# **nutricost l glutamine**
**Skip it**
A concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Market size 8Growth 46Conversion 89Competition 0Returns 100Price range 95Avg price 90Brand share 0Review moat 19Quality gap 28
**Returns**
**Incredible****0.0%**
return rate — above 5% kills the launch gate
**Price range**
**Incredible****$15.77–$29.38**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Avg price**
**Great****$20.90**
avg listing price — sweet spot $15–$100
**Conversion**
**Great****10.5%**
search→purchase rate — share of searches ending in a sale
**Growth**
**Okay****+16.8%**
90-day search growth — must beat 0% to launch
**Quality gap**
**Okay****4.6★**
avg incumbent rating — lower means beatable quality
**Review moat**
**Bad****14,981.25**
avg incumbent reviews — the moat a new listing must climb
**Market size**
**Bad****$33K**
$33K/yr · 15K searches
**Competition**
**Bad****100%**
top-5 click share — a locked-up shelf
**Brand share**
**Bad****100%**
top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, nutricost l glutamine is a $33K/yr Amazon United States market (15K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 40/100.
Data updated Jul 25, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **nutricost l glutamine market data**
- **Units sold / yr**
- **2K–3K**
- avg 500–750/product
- **Revenue / yr**
- **$42K–$52K**
- units × avg price
- **Conversion rate**
- **10.5%**
- **Avg BSR**
- **#3**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **100%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **121 months**
- **Avg seller age**
- **183 days**
## **Competition & brand share**
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.
**Brands**
**1 **—flat
**Sellers**
**2**
**Top-5 brand share**
**100%**
Top 20: 100%
**Top-5 click share**
**100%**
Top 20: 100%
**Open market**
**0%**
- Nutricost100%
## **Demand & seasonality**
Weekly Amazon search volume, last 97 weeks — +16.8% search growth over the last 90 days.
400300Prime Day '25Spike '25Black Friday '25Spike '26 seasonDecMarJunAugNovMarMay
No pronounced peak months · busiest ÷ quietest = 1.5×
[**Open Trend **](https://flapen.com/research/us/health-household/nutricost-l-glutamine/trend)
## **Top nutricost l glutamine search terms**
- **nutricost l glutamine**7K/yr+19.0%13.5% conv. - **nutricost glutamine**6K/yr+0.1%13.8% conv. - **nutricost l glutamine powder**2K/yr+71.6%14.9% conv. [**All search terms **](https://flapen.com/research/us/health-household/nutricost-l-glutamine/search-terms)
## **Top nutricost l glutamine 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%$5K30%$10K45%$15K60%$20K1K10K100K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 4 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Nutricost L-Glutamine Powder (500 Grams) Unflavored 100 Servings GMO-Free**Nutricost**$22.66**4.6★18,395 rev](https://www.amazon.com/dp/B00SHXE7VK) [2**Nutricost L-Glutamine Powder 1 KG - Unflavored Non-GMO Gluten Free**Nutricost**$29.38**4.6★18,395 rev](https://www.amazon.com/dp/B01EVOOBIW) [3**Nutricost L-Glutamine Powder 250 Grams**Nutricost**$15.78**4.6★18,395 rev](https://www.amazon.com/dp/B01MFDA8ZH) [4**Nutricost L-Glutamine 800mg 180 Capsules - Gluten Free Non-GMO**Nutricost**$15.77**4.5★4,740 rev](https://www.amazon.com/dp/B01DCKSO84)
### **Newest**
by launch date
[**Nutricost L-Glutamine Powder 250 Grams**Nutricost**$15.78**18,395 rev9y ago](https://www.amazon.com/dp/B01MFDA8ZH) [**Nutricost L-Glutamine Powder 1 KG - Unflavored Non-GMO Gluten Free**Nutricost**$29.38**18,395 rev10y ago](https://www.amazon.com/dp/B01EVOOBIW) [**Nutricost L-Glutamine 800mg 180 Capsules - Gluten Free Non-GMO**Nutricost**$15.77**4,740 rev10y ago](https://www.amazon.com/dp/B01DCKSO84) [**Nutricost L-Glutamine Powder (500 Grams) Unflavored 100 Servings GMO-Free**Nutricost**$22.66**18,395 rev11y ago](https://www.amazon.com/dp/B00SHXE7VK)
### **Trending**
90-day click momentum
[**Nutricost L-Glutamine 800mg 180 Capsules - Gluten Free Non-GMO**Nutricost**$15.77**4.5★**— 4%**](https://www.amazon.com/dp/B01DCKSO84) [**Nutricost L-Glutamine Powder (500 Grams) Unflavored 100 Servings GMO-Free**Nutricost**$22.66**4.6★**— 4%**](https://www.amazon.com/dp/B00SHXE7VK) [**Nutricost L-Glutamine Powder 1 KG - Unflavored Non-GMO Gluten Free**Nutricost**$29.38**4.6★**— 3%**](https://www.amazon.com/dp/B01EVOOBIW) [**Nutricost L-Glutamine Powder 250 Grams**Nutricost**$15.78**4.6★**— 6%**](https://www.amazon.com/dp/B01MFDA8ZH)
## **What buyers say about nutricost l glutamine**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Quality-Overall**22%
*“It is very consistent in quality”*
**Value For Money**11%
*“am glad to have easy access to it at a reasonable cost”*
**Regulates Digestion**10%
*“Really helps me digest food properly”*
**Nutritional Content**8%
*“But Nutricost supplements are always good”*
**Acid Regulator/Stomach Ache Relief**6%
*“does not upset my stomach”*
**Vitamin**6%
*“Simply one of the better supplement companies around”*
**Muscle Pain Relief**4%
*“This glutamine will eliminate sore muscles”*
**Ease Of Use**3%
*“It makes my life easier honestly”*
**Cough Relief**3%
*“Great for helping leaky gut”*
**Solubility**3%
*“It dissolves easily”*
### **What buyers complain about **
**Taste-Overall**17%
*“There is no taste”*
**Allergies**13%
*“have a corn allergy/intolerance”*
**Solubility**12%
*“L-glutamine should be a fine crystalline powder that easily dissolves in water not a flour-like powder that doesnt dissolve very well”*
**Flavor**4%
*“Doesnt have flavor”*
**Moist/Dry**3%
*“Typically, it's more on the powdery side, looking dull and dry”*
**Dosage**3%
*“so I quit taking it”*
**Bitter**3%
*“It's so bitter it ruins the taste of anything i mix it with”*
**Functionality-Overall**3%
*“My body did not get the same response compared to other brands”*
**Satisfaction/Pleasure**3%
*“I was not satisfied”*
**Vegan/Organic**2%
*“Not pure”*
### **Top return reasons **
**Value For Money**40%
**Satisfaction/Pleasure**20%
**Functionality-Overall**20%
**Size-Overall**20%
## **Common questions**
- **Is nutricost l glutamine profitable to sell on Amazon United States?**
- The niche generates $33K/yr across 4 tracked products. 90-day search growth is +16.8%. Flapen's verdict: Skip it (40/100).
- **How competitive is the nutricost l glutamine niche?**
- 1 brands and 2 sellers compete. The top 5 products take 100% of clicks and top 5 brands hold 100% of demand.
- **What do buyers complain about in nutricost l glutamine?**
- Top complaints mined from reviews: Taste-Overall, Allergies, Solubility. The return rate is 0.0%.
- **When does demand for nutricost l glutamine peak?**
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- **What does it cost to enter the nutricost l glutamine niche?**
- Listings span $15.77–$29.38; the average listing price is $20.90 (sweet spot $15–$100). The average incumbent carries 14,981 reviews — the moat a new listing must climb.
## **Related niches in Health & Household**
- 76 [**cedar oil**](https://flapen.com/research/us/health-household/cedar-oil)$1.2M/yr+214.4%**Launch it**- 77 [**nutrapure glp1 cutting mix**](https://flapen.com/research/us/health-household/nutrapure-glp1-cutting-mix)$149K/yr+940.2%**Worth a look**- 77 [**dexcom g7**](https://flapen.com/research/us/health-household/dexcom-g7)$2.0M/yr+39.9%**Launch it**- 77 [**purelia**](https://flapen.com/research/us/health-household/purelia)$635K/yr+359.7%**Worth a look**- 77 [**graduation napkins**](https://flapen.com/research/us/health-household/graduation-napkins)$302K/yr+385.7%**Worth a look**- 77 [**credit card wand**](https://flapen.com/research/us/health-household/credit-card-wand)$418K/yr+101.3%**Worth a look**[**All Health & Household niches **](https://flapen.com/research/us/health-household)