Is acetyl l-carnitine 1500mg profitable to sell on Amazon United States?

The niche generates $26K/yr across 9 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +52.5%. Flapen's verdict: Skip it (47/100).

How competitive is the acetyl l-carnitine 1500mg niche?

9 brands and 23 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 87% of demand.

What do buyers complain about in acetyl l-carnitine 1500mg?

Top complaints mined from reviews: Dosage, Side Effects, Size-Overall. The return rate is 0.0%.

When does demand for acetyl l-carnitine 1500mg peak?

Demand peaks in Jul; the busiest month runs 2.0× the quietest.

What does it cost to enter the acetyl l-carnitine 1500mg niche?

Listings span $12.02–$26.58; the average listing price is $19.24 (sweet spot $15–$100). The average incumbent carries 3,611 reviews — the moat a new listing must climb.

acetyl l-carnitine 1500mg

Skip it

A small market ($26K/yr) — this niche doesn't clear our bar today.

Returns

Incredible0.0%

return rate — above 5% kills the launch gate

Conversion

Great10.7%

search→purchase rate — share of searches ending in a sale

Avg price

Great$19.24

avg listing price — sweet spot $15–$100

Price range

Great$12.02–$26.58

cheapest to priciest tracked listing — scored on the share inside $15–$100

Growth

Good+52.5%

90-day search growth — must beat 0% to launch

Brand share

Okay87%

top-5 brand share — brands hold most of the demand

Review moat

Okay3,610.56

avg incumbent reviews — the moat a new listing must climb

Quality gap

Okay4.6★

avg incumbent rating — lower means beatable quality

Competition

Bad87%

top-5 click share — a locked-up shelf

Market size

Bad$26K

$26K/yr · 13K searches

According to Flapen's Amazon United States niche tracking, acetyl l-carnitine 1500mg is a $26K/yr Amazon United States market (13K searches/yr). The top 5 brands hold 87% of demand. Demand peaks in Jul. Verdict: Skip it — 47/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

acetyl l-carnitine 1500mg market data

Units sold / yr: 1K–2K; avg 100–250/product
Revenue / yr: $24K–$29K; units × avg price
Conversion rate: 10.7%
Avg BSR: #174
Page quality: 0%
Prime: 100%
Sponsored: 78%
Out of stock: 0.0%
Avg brand age: 86 months
Avg seller age: 189 days

Competition & brand share

The top 5 products capture 87% of clicks — a locked-up shelf that new listings rarely crack.

Brands

9 rising

Sellers

Top-5 brand share

87%

Top 20: 100%

Top-5 click share

87%

Top 20: 100%

Open market

NaturaLife Labs49%
Horbäach15%
Nutricost12%
FITO MEDIC'S6%
BulkSupplements5%
Healthfare4%
Open — no brand owns it (3 brands, 9%)

Demand & seasonality

Weekly Amazon search volume, last 102 weeks — +52.5% search growth over the last 90 days.

Peak months: Jul · busiest ÷ quietest = 2.0×

Open Trend

Top acetyl l-carnitine 1500mg 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 9 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

NaturaLife Labs Acetyl L-Carnitine (ALCAR) 1500 mg per Serving 100 Capsules Non-GMO Gluten-Free Vegan

NaturaLife Labs$16.884.5★13,601 rev

Horbach Acetyl L-Carnitine 1500mg | 200 Capsules | Extra Strength

Horbäach$19.964.6★2,737 rev

Nutricost Acetyl L-Carnitine (ALCAR) 1 500mg 90 Capsules for 30 Servings

Nutricost$12.024.8★50 rev

FITO MEDICS Lab L-Carnitine Supplement Acetyl L-Carnitine Formula 200 Capsules

FITO MEDIC'S$16.934.6★113 rev

BulkSupplements.com Acetyl L-Carnitine Capsules - ALCAR HCl Carnitine Supplement - ALCAR Capsules Acetyl L-Carnitine 1500mg - Gluten Free 2 Capsules per Serving 240 Capsules

BulkSupplements$24.534.6★231 rev

Newest

by launch date

Nutricost Acetyl L-Carnitine (ALCAR) 1 500mg 90 Capsules for 30 Servings

Nutricost$12.0250 rev

5mo ago

Healthfare Acetyl L-Carnitine 1500mg (ALCAR) | 120 High Potency Vegetarian Capsules | Brain Focus & Memory Support Supplement | Non-GMO Gluten-Free Made in USA

Healthfare$14.1628 rev

7mo ago

Micro Ingredients Acetyl L-Carnitine (ALCAR) 1 000 mg Per Serving 240 Softgels | 2-in-1 Formula with Alpha Lipoic Acid | Made with MCT Oil | Non-GMO Gluten Free

Micro Ingredients$21.8352 rev

1y ago

FITO MEDICS Lab L-Carnitine Supplement Acetyl L-Carnitine Formula 200 Capsules

FITO MEDIC'S$16.93113 rev

3y ago

NaturaLife Labs Acetyl L-Carnitine (ALCAR) 1500 mg per Serving 100 Capsules Non-GMO Gluten-Free Vegan

NaturaLife Labs$16.8813,601 rev

7y ago

What buyers say about acetyl l-carnitine 1500mg

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall13%

“Quality product from a trusted brand”

Vitamin8%

“The supplement is good”

Energy Level7%

“Boost your energy”

Nutritional Content7%

“Good supplement”

Dosage6%

“I like that the serving gives a solid 1500 mg dose”

Ease Of Chewing/Swallowing5%

“The capsules are easy to take”

Heart Health5%

“I also read somewhere it can help with cholesterol levels”

Side Effects4%

“I am sensitive to some supplements if I dont have something in my stomach so Im pleased that these havent caused issues”

Weight Loss4%

“potential weight management support”

Advertised Vs Actual Product4%

“Better than expected”

What buyers complain about

Dosage17%

“I dont even use the full dose”

Side Effects7%

“I didnt notice any improvements though”

Size-Overall6%

“The pills are big”

Ease Of Chewing/Swallowing4%

“can't stand to swallow big ones this is a bit of a challenge especially since you take 3”

Immunity Booster4%

“It weakend my immune system”

Taste-Overall4%

“Horrible taste”

Hard Feel4%

“Huge hard pills”

Functionality-Overall4%

“Doesnt work for me”

Sweetness4%

“Very sweet not what I expected”

Smell3%

“No smell”

Top return reasons

Advertised Vs Actual Product17%

Certifications17%

Dosage17%

Smell17%

Quality-Overall17%

Ease Of Chewing/Swallowing8%

Size-Overall8%

Common questions

Is acetyl l-carnitine 1500mg profitable to sell on Amazon United States?: The niche generates $26K/yr across 9 tracked products. 0 of 2 products launched in the last 360 days are still selling. 90-day search growth is +52.5%. Flapen's verdict: Skip it (47/100).
How competitive is the acetyl l-carnitine 1500mg niche?: 9 brands and 23 sellers compete. The top 5 products take 87% of clicks and top 5 brands hold 87% of demand.
What do buyers complain about in acetyl l-carnitine 1500mg?: Top complaints mined from reviews: Dosage, Side Effects, Size-Overall. The return rate is 0.0%.
When does demand for acetyl l-carnitine 1500mg peak?: Demand peaks in Jul; the busiest month runs 2.0× the quietest.
What does it cost to enter the acetyl l-carnitine 1500mg niche?: Listings span $12.02–$26.58; the average listing price is $19.24 (sweet spot $15–$100). The average incumbent carries 3,611 reviews — the moat a new listing must climb.