L Carnitine
FailShoppers spend an estimated $0 a year here, so L Carnitine is a Fail.
- Flapen Score
- 27 / 100Ranks 177 of 198 Health, Household and Personal Care niches · −10 vs the category median of 3727
- Market size
- $0/yr2K searches / yr
- 90-day growth
- -18.3%search demand this quarter
- Competition
- 90%top-5 click share · 4 brands · 11 sellers
Flapen Score
L Carnitine against its category
The dotted line is the Health, Household and Personal Care average. Past it, L Carnitine is stronger. Inside it, weaker.
Market
The L Carnitine market on Amazon at a glance
Shoppers on Amazon Singapore searched for L Carnitine 2K times last year and spent an estimated $0. All 4 brands take every click. Flapen scores it 27 out of 100, a Fail.
01 · Demand
An estimated 0.0% of those searches ended in a purchase.
Shoppers searched for this 2K times in the last 12 months. That counts every search on Amazon Singapore for this niche's terms. An estimated 0.0% of those searches ended in a purchase. Searches in the last 90 days moved -18.3% against the 90 days before. Searches, conversion and average price together put the market at an estimated $0 a year.
- Searches, last 12 months
- 2K
- Growth, 90 days vs prior 90
- -18.3%
- Conversion, latest week
- 0.0%
- Market size, estimated
- $0a year
- Top search term
- l carnitine2K searches a year
02 · Price
A sale here is worth $27.20.
Listings sell for $27.20 on average, from $8.86 to $47.20. Amazon reports units sold in ranges. This niche sold 100 to 250 a year. The average listing sells 0 to 100 of them. At $27.20 that is $0 to $3K a year per listing.
- Average price
- $27.20inside the $15 to $100 sweet spot
- Price range
- $8.86–$47.20
- Amazon Singapore median price
- $30.00across 1,590 niches
- Units sold a year
- 100–250
- Units per listing a year
- 0–100
- Revenue per listing a year
- $0–$3K
- Returns
- 0.0%of orders · Amazon Singapore median 0.0%
03 · Entry bar
The bar here is reviews.
17% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 14.9% of listings are out of stock. The average listing ranks #28 within Health, Household and Personal Care. It carries 2,205 reviews at 4.58 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 17%
- Prime listings
- 100%
- Out of stock, average day
- 14.9%
- Average rank
- #28in Health, Household and Personal Care
- Average rating
- 4.58 starsAmazon Singapore average 4.47 stars
- Average reviews
- 2,205per listing
- Listings tracked
- 6
04 · Newcomers
Brands here are established.
The brands on the shelf have sold for 113 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
- 113 months
Products
Top L Carnitine 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 24, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
NOW Supplements L-Carnitine 1 000 mg Purest Form Amino Acid Fitness Support* 100 Tablets
- Price
- $32.22
- Rating
- 4.6/5
- Reviews
- 4,325
- Age
- 16y ago

Acetyl L-Carnitine 1500 mg 200 Capsules | ALCAR | Non-GMO Gluten Free | by Horbaach
- Price
- $47.20
- Rating
- 4.6/5
- Reviews
- 2,591
- Age
- 7y ago

Now Foods L-Carnitine 1000mg Tablets 50ct
- Price
- $20.28
- Rating
- 4.6/5
- Reviews
- 882
- Age
- 13y ago

Swanson L-Carnitine 500 mg 100 Tabs Vegan Weight Management Promote Lean Muscle Sport Recovery & Performance
- Price
- $8.86
- Rating
- 4.5/5
- Reviews
- 18
- Age
- 6y ago

NOW Supplements Acetyl-L Carnitine 500 mg Amino Acid Brain And Nerve Cell Function* 200 Veg Capsules
- Price
- $33.98
- Rating
- 4.6/5
- Reviews
- 4,706
- Age
- 13y ago
Trending
estimated 90-day click momentum
Now Foods L-Carnitine 1000mg Tablets 50ct
- Price
- $20.28
- Rating
- 4.6/5
- Reviews
- 882
- Age
- 13y ago

Swanson L-Carnitine 500 mg 100 Tabs Vegan Weight Management Promote Lean Muscle Sport Recovery & Performance
- Price
- $8.86
- Rating
- 4.5/5
- Reviews
- 18
- Age
- 6y ago

Acetyl L-Carnitine 1500 mg 200 Capsules | ALCAR | Non-GMO Gluten Free | by Horbaach
- Price
- $47.20
- Rating
- 4.6/5
- Reviews
- 2,591
- Age
- 7y ago

Nutricost L-Carnitine Tartrate Fat Burner Boost Energy & Recovery 1 000 mg 120-240 Caps (500 mg per Capsule)
- Price
- $20.69
- Rating
- 4.6/5
- Reviews
- 708
- Age
- 9y ago

NOW Supplements L-Carnitine 1 000 mg Purest Form Amino Acid Fitness Support* 100 Tablets
- Price
- $32.22
- Rating
- 4.6/5
- Reviews
- 4,325
- Age
- 16y ago
Newest
by launch date
Swanson L-Carnitine 500 mg 100 Tabs Vegan Weight Management Promote Lean Muscle Sport Recovery & Performance
- Price
- $8.86
- Rating
- 4.5/5
- Reviews
- 18
- Age
- 6y ago

Acetyl L-Carnitine 1500 mg 200 Capsules | ALCAR | Non-GMO Gluten Free | by Horbaach
- Price
- $47.20
- Rating
- 4.6/5
- Reviews
- 2,591
- Age
- 7y ago

Nutricost L-Carnitine Tartrate Fat Burner Boost Energy & Recovery 1 000 mg 120-240 Caps (500 mg per Capsule)
- Price
- $20.69
- Rating
- 4.6/5
- Reviews
- 708
- Age
- 9y ago

Now Foods L-Carnitine 1000mg Tablets 50ct
- Price
- $20.28
- Rating
- 4.6/5
- Reviews
- 882
- Age
- 13y ago

NOW Supplements Acetyl-L Carnitine 500 mg Amino Acid Brain And Nerve Cell Function* 200 Veg Capsules
- Price
- $33.98
- Rating
- 4.6/5
- Reviews
- 4,706
- Age
- 13y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 90% of clicks. A locked shelf that new listings rarely crack.
Brands
4 falling
Sellers
11
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
90%
Top 20: 100%
Open market
0%
- Now Foods61%
- Horbäach18%
- Swanson12%
- Nutricost10%
- Open — no brand owns it (0%)
Demand
L Carnitine search demand
Weekly searches over the year, seasonality beneath. Pick a range.
Peak months: Feb, Sep · busiest ÷ quietest = 3.4× · 11 of 12 months tracked
Reviews and returns
What reviews say buyers love and hate about L Carnitine
We read the reviews and the return reasons for every product selling here.
“Finish 3 bottle, nothing happen”
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.
1 topic
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 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









