L Glutamine Capsules
MaybeBuyers convert on 22.3% of searches. But shoppers spend an estimated $32K a year here, so L Glutamine Capsules is a Maybe.
- Flapen Score
- 53 / 100Top 32% of 14,768 Health & Household niches · +4 vs the category median of 4953
- Market size
- $32K/yr7K searches / yr
- 90-day growth
- +3.5%search demand this quarter
- Competition
- 57%top-5 click share · 16 brands · 97 sellers
Flapen Score
L Glutamine Capsules against its category
The dotted line is the Health & Household average. Past it, L Glutamine Capsules is stronger. Inside it, weaker.
Market
The L Glutamine Capsules market on Amazon at a glance
Shoppers on Amazon United States searched for L Glutamine Capsules 7K times last year and spent an estimated $32K. The top 5 brands take 64% of clicks. Flapen scores it 53 out of 100, a Maybe.
01 · Demand
An estimated 22.3% of those searches ended in a purchase.
Shoppers searched for this 7K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 22.3% of those searches ended in a purchase. Searches in the last 90 days moved +3.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated $32K a year.
- Searches, last 12 months
- 7K
- Growth, 90 days vs prior 90
- +3.5%
- Conversion, latest week
- 22.3%
- Market size, estimated
- $32Ka year
- Peak month
- January2.4× the quietest month
- Top search term
- l-glutamine 1000mg capsules4K searches a year
02 · Price
A sale here is worth $20.22.
Listings sell for $20.22 on average, from $9.35 to $63.78. Amazon reports units sold in ranges. This niche sold 1K to 1K a year. The average listing sells 0 to 100 of them. At $20.22 that is $0 to $2K a year per listing.
- Average price
- $20.22inside the $15 to $100 sweet spot
- Price range
- $9.35–$63.78
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 1K–1K
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$2K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
75% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 2.1% of listings are out of stock. The average listing ranks #184 within Amino Acids. It carries 2,196 reviews at 4.59 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 75%
- Prime listings
- 100%
- Out of stock, average day
- 2.1%
- Average rank
- #184in Amino Acids
- Average rating
- 4.59 starsAmazon United States average 4.42 stars
- Average reviews
- 2,196per listing
- Listings tracked
- 20
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 111 months on average, so the names here are established.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 111 months
Products
Top L Glutamine Capsules products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 25, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
NOW Foods Sports Nutrition L-Glutamine Double Strength 1 000 mg Amino Acid 120 Veg Capsules
- Price
- $13.22
- Rating
- 4.7/5
- Reviews
- 974
- Age
- 16y ago

Horbaach L Glutamine Capsules 1000mg | 180 Powder Pills
- Price
- $9.99
- Rating
- 4.7/5
- Reviews
- 411
- Age
- 3y ago

L Glutamine Capsules - (1000mg Servings 120 Capsules) Non-GMO Gluten Free Keto Safe Vegan Friendly Third Party Tested (for Endurance and Gut Health) by Double Wood
- Price
- $9.92
- Rating
- 4.6/5
- Reviews
- 542
- Age
- 2y ago

Nutricost L-Glutamine 800mg 180 Capsules - Gluten Free Non-GMO
- Price
- $15.77
- Rating
- 4.5/5
- Reviews
- 4,740
- Age
- 10y ago

BulkSupplements.com L-Glutamine Capsules - Glutamine Supplement Amino Acid Supplement - Gluten Free 6 Capsules per Serving (5000mg) 360 Count (Pack of 1)
- Price
- $26.55
- Rating
- 4.6/5
- Reviews
- 533
- Age
- 3y ago
Trending
estimated 90-day click momentum
NOW Foods Sports Nutrition L-Glutamine Double Strength 1 000 mg Amino Acid 120 Veg Capsules
- Price
- $13.22
- Rating
- 4.7/5
- Reviews
- 974
- Age
- 16y ago

Pure Encapsulations L-Glutamine 850 mg | Supplement for Immune and Digestive Support Gut Health and Lining Repair Metabolism Boost and Muscle Support* | 250 Capsules
- Price
- $63.78
- Rating
- 4.6/5
- Reviews
- 352
- Age
- 6y ago

THORNE - L-Glutamine - Amino Acid Supplement for Immune System & GI Health - Promotes Post-Exercise Muscle Cell Repair* - Third-Party Certified - Gluten Dairy & Soy-Free - 90 Capsules
- Price
- $25.05
- Rating
- 4.6/5
- Reviews
- 1,669
- Age
- 21y ago

HealthFare L Glutamine 1000mg | 240 Vegan Capsules | Extra Strength Amino Acid Supplement | Supports Digestive Balance Nutrient Absorption & Muscle Recovery | Non-GMO Gluten-Free | Made in USA
- Price
- $14.25
- Rating
- 4.5/5
- Reviews
- 98
- Age
- 3y ago

Best Naturals L-Glutamine 1000mg Fuel for Workout (Non-GMO) Tablets 180 Count
- Price
- $14.64
- Rating
- 4.6/5
- Reviews
- 491
- Age
- 10y ago
Newest
by launch date
Nugenix Essentials L-Glutamine 1500mg 100% Botanical L-Glutamine Amino Acid Protein Synthesis Supports Cellular Function 60 Capsules
- Price
- $14.53
- Rating
- 4.4/5
- Reviews
- 86
- Age
- 1y ago

NAKED L-Glutamine Muscle Recovery Capsules 1000mg 240 Count Made in The USA Non-GMO Gluten and Soy Free
- Price
- $19.85
- Rating
- 4.7/5
- Reviews
- 2,177
- Age
- 2y ago

L Glutamine Capsules - (1000mg Servings 120 Capsules) Non-GMO Gluten Free Keto Safe Vegan Friendly Third Party Tested (for Endurance and Gut Health) by Double Wood
- Price
- $9.92
- Rating
- 4.6/5
- Reviews
- 542
- Age
- 2y ago

HealthFare L Glutamine 1000mg | 240 Vegan Capsules | Extra Strength Amino Acid Supplement | Supports Digestive Balance Nutrient Absorption & Muscle Recovery | Non-GMO Gluten-Free | Made in USA
- Price
- $14.25
- Rating
- 4.5/5
- Reviews
- 98
- Age
- 3y ago

Horbaach L Glutamine Capsules 1000mg | 180 Powder Pills
- Price
- $9.99
- Rating
- 4.7/5
- Reviews
- 411
- Age
- 3y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 57% of clicks. Leaders hold, but buyers still shop past them.
Brands
16 falling
Sellers
97
Est. top-5 brand share
64%
Top 20: 100%
Est. top-5 click share
57%
Top 20: 100%
Open market
31%
- NOW Foods30%
- Horbäach14%
- Double Wood Supplements9%
- Nutricost6%
- Pure Encapsulations5%
- BulkSupplements5%
Demand
L Glutamine Capsules search demand
Weekly searches over the year, seasonality beneath. Pick a range.
No pronounced peak months · busiest ÷ quietest = 2.4×
Reviews and returns
What reviews say buyers love and hate about L Glutamine Capsules
We read the reviews and the return reasons for every product selling here.
“I have learned that it is a very bad dosage amount”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
21 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common L Glutamine Capsules questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









