L Carnitine 500mg
MaybeAn estimated 0.0% of orders come back. But shoppers spend an estimated $66K a year here, so L Carnitine 500mg is a Maybe.
- Flapen Score
- 51 / 100Top 40% of 14,768 Health & Household niches · +2 vs the category median of 4951
- Market size
- $66K/yr20K searches / yr
- 90-day growth
- -7.3%search demand this quarter
- Competition
- 58%top-5 click share · 13 brands · 550 sellers
Flapen Score
L Carnitine 500mg against its category
The dotted line is the Health & Household average. Past it, L Carnitine 500mg is stronger. Inside it, weaker.
Market
The L Carnitine 500mg market on Amazon at a glance
Shoppers on Amazon United States searched for L Carnitine 500mg 20K times last year and spent an estimated $66K. The top 5 brands take 78% of clicks. Demand peaks in Jul–Aug. Flapen scores it 51 out of 100, a Maybe.
01 · Demand
An estimated 12.8% of those searches ended in a purchase.
Shoppers searched for this 20K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 12.8% of those searches ended in a purchase. Searches in the last 90 days moved -7.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $66K a year.
- Searches, last 12 months
- 20K
- Growth, 90 days vs prior 90
- -7.3%
- Conversion, latest week
- 12.8%
- Market size, estimated
- $66Ka year
- Peak month
- July1.5× the quietest month
- Top search term
- l carnitine 500mg11K searches a year
02 · Price
A sale here is worth $25.69.
Listings sell for $25.69 on average, from $8.89 to $76.50. Amazon reports units sold in ranges. This niche sold 3K to 4K a year. The average listing sells 100 to 250 of them. At $25.69 that is $3K to $6K a year per listing.
- Average price
- $25.69inside the $15 to $100 sweet spot
- Price range
- $8.89–$76.50
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 3K–4K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $3K–$6K
- Returns
- 0.0%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
65% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #140 within L-Carnitine. It carries 1,669 reviews at 4.59 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 65%
- Prime listings
- 100%
- Out of stock, average day
- 0.0%
- Average rank
- #140in L-Carnitine
- Average rating
- 4.59 starsAmazon United States average 4.42 stars
- Average reviews
- 1,669per listing
- Listings tracked
- 20
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 127 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
- 127 months
Products
Top L Carnitine 500mg 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 10, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
NOW Foods Supplements L-Carnitine 500mg Purest Form Amino Acid Fitness Support* 60 Veg Capsules
- Price
- $14.72
- Rating
- 4.6/5
- Reviews
- 2,302
- Age
- 22y ago

Natures Bounty L-Carnitine Supports Heart Health & Fat Metabolism Amino Acid Supplement 500 mg 30 Tablets
- Price
- $11.05
- Rating
- 4.6/5
- Reviews
- 1,964
- Age
- 16y ago

Nutricost Acetyl L-Carnitine (ALCAR) 500mg 180 Capsules 180 Servings - Non-GMO and Gluten Free 1 Capsule per Serving
- Price
- $18.47
- Rating
- 4.6/5
- Reviews
- 6,240
- Age
- 8y ago

NOW Foods L-Carnitine 500 mg 240 Veg Caps - Fitness Support* - Purest Form - Non-GMO - Vegan/Vegetarian - 500mg Capsules - Amino Acid Health Supplement
- Price
- $43.62
- Rating
- 4.7/5
- Reviews
- 105
- Age
- 3y ago

Life Extension L-Carnitine 500 mg Energy Supplement Memory Supplement Free Form Amino Acid Nitric Oxide Support Healthy Blood Pressure Gluten-Free Non-GMO Vegetarian 30 Capsules
- Price
- $9.02
- Rating
- 4.6/5
- Reviews
- 639
- Age
- 16y ago
Trending
estimated 90-day click momentum
BulkSupplements.com L-Carnitine 1000mg Capsules - Carnitine Supplement Amino Acid Supplement - Gluten Free 2 Capsules per Serving (1000mg) 240 Count (Pack of 1)
- Price
- $20.69
- Rating
- 4.4/5
- Reviews
- 330
- Age
- 3y ago

NOW Foods Supplements L-Carnitine 500mg Purest Form Amino Acid Fitness Support* 180 Veg Capsules
- Price
- $31.52
- Rating
- 4.6/5
- Reviews
- 2,302
- Age
- 20y ago

GNC L Carnitine 500mg Supplement Supports Muscle Recovery 120 Servings
- Price
- $38.66
- Rating
- 4.5/5
- Reviews
- 101
- Age
- 6y ago

Whole Foods Market Free-Form L-Carnitine 500mg Vegan 60 Count
- Price
- $16.12
- Rating
- 4.5/5
- Reviews
- 93
- Age
- 8y ago

Pure Encapsulations Acetyl-L-Carnitine 500 mg - Memory & Brain Supplement - Brain Support & Focus* - Gluten Free & Non-GMO - 60 Capsules
- Price
- $76.50
- Rating
- 4.6/5
- Reviews
- 232
- Age
- 21y ago
Newest
by launch date
NOW Foods L-Carnitine 500 mg 240 Veg Caps - Fitness Support* - Purest Form - Non-GMO - Vegan/Vegetarian - 500mg Capsules - Amino Acid Health Supplement
- Price
- $43.62
- Rating
- 4.7/5
- Reviews
- 105
- Age
- 3y ago

Horbach L Carnitine Supplement 500mg | 60 Capsules | as L-Carnitine L-Tartrate | Non-GMO and Gluten Free
- Price
- $8.89
- Rating
- 4.6/5
- Reviews
- 287
- Age
- 3y ago

BulkSupplements.com L-Carnitine 1000mg Capsules - Carnitine Supplement Amino Acid Supplement - Gluten Free 2 Capsules per Serving (1000mg) 240 Count (Pack of 1)
- Price
- $20.69
- Rating
- 4.4/5
- Reviews
- 330
- Age
- 3y ago

GNC L Carnitine 500mg Supplement Supports Muscle Recovery 120 Servings
- Price
- $38.66
- Rating
- 4.5/5
- Reviews
- 101
- Age
- 6y ago

Nutricost Acetyl L-Carnitine (ALCAR) 500mg 180 Capsules 180 Servings - Non-GMO and Gluten Free 1 Capsule per Serving
- Price
- $18.47
- Rating
- 4.6/5
- Reviews
- 6,240
- Age
- 8y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 58% of clicks. Leaders hold, but buyers still shop past them.
Brands
13 falling
Sellers
550
Est. top-5 brand share
78%
Top 20: 100%
Est. top-5 click share
58%
Top 20: 100%
Open market
17%
- NOW Foods40%
- Nutricost15%
- Nature's Bounty13%
- Life Extension5%
- Horbäach5%
- Pure Encapsulations4%
- Open — no brand owns it (7 brands, 17%)
Demand
L Carnitine 500mg search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Jul, Aug · busiest ÷ quietest = 1.5×
Reviews and returns
What reviews say buyers love and hate about L Carnitine 500mg
We read the reviews and the return reasons for every product selling here.
“Never worked”
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.
22 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 Carnitine 500mg 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









