propionyl-l-carnitine
Skip itA concentrated shelf (top 5 take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Incredible0.0%return rate — above 6% kills the launch gate
Avg price
Incredible$28.50avg listing price — sweet spot $15–$100
Price range
Incredible$22.89–$37.81cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great367.25avg incumbent reviews — the moat a new listing must climb
Conversion
Great7.6%search→purchase rate — share of searches ending in a sale
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Growth
Bad-6.4%90-day search growth — must beat 0% to launch
Market size
Bad$64K$64K/yr · 30K searches
Competition
Bad100%top-5 click share — a locked-up shelf
Brand share
Bad100%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 100% of clicks — a locked-up shelf that new listings rarely crack.Brands
4 falling
Sellers
6
Top-5 brand share
100%
Open market
0%
- Biolor65%
- Life Extension17%
- Swanson11%
- VitaMonk6%
- Open — no brand owns it (0%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 4 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Biolor High Absorption Propionyl-L-Carnitine (PLCAR) No Artificial Fillers - Effective Propionyl L Carnitine HCL Supplement to Support Blood Circulation - 120 Capsules
Biolor$37.814.5★965 rev
Life Extension Optimized Carnitine Three Forms of L-carnitine Promotes Heart & Brain Health Gluten Free Non-GMO Vegetarian 60 Capsules
Life Extension$22.894.6★283 rev
Swanson Propionyl L-Carnitine with Glycine - Natural Supplement Promoting Heart Health & Energy Support - May Support Muscle Strength & Endurance - (60 Veggie Capsules)
Swanson$26.424.0★63 rev
VitaMonk GlycoTrax - High Absorption GPLC Supplement - No Artificial Fillers - GPLC Glycine Propionyl-L-Carnitine Capsules Supplements to Support Healthy Blood Flow - 60 Capsules
VitaMonk$26.894.1★158 rev
Newest
by launch dateBiolor High Absorption Propionyl-L-Carnitine (PLCAR) No Artificial Fillers - Effective Propionyl L Carnitine HCL Supplement to Support Blood Circulation - 120 Capsules
Biolor$37.81965 rev
Swanson Propionyl L-Carnitine with Glycine - Natural Supplement Promoting Heart Health & Energy Support - May Support Muscle Strength & Endurance - (60 Veggie Capsules)
Swanson$26.4263 rev
Life Extension Optimized Carnitine Three Forms of L-carnitine Promotes Heart & Brain Health Gluten Free Non-GMO Vegetarian 60 Capsules
Life Extension$22.89283 rev
VitaMonk GlycoTrax - High Absorption GPLC Supplement - No Artificial Fillers - GPLC Glycine Propionyl-L-Carnitine Capsules Supplements to Support Healthy Blood Flow - 60 Capsules
VitaMonk$26.89158 rev
Trending
90-day click momentumSwanson Propionyl L-Carnitine with Glycine - Natural Supplement Promoting Heart Health & Energy Support - May Support Muscle Strength & Endurance - (60 Veggie Capsules)
Swanson$26.424.0★
Life Extension Optimized Carnitine Three Forms of L-carnitine Promotes Heart & Brain Health Gluten Free Non-GMO Vegetarian 60 Capsules
Life Extension$22.894.6★
Biolor High Absorption Propionyl-L-Carnitine (PLCAR) No Artificial Fillers - Effective Propionyl L Carnitine HCL Supplement to Support Blood Circulation - 120 Capsules
Biolor$37.814.5★
VitaMonk GlycoTrax - High Absorption GPLC Supplement - No Artificial Fillers - GPLC Glycine Propionyl-L-Carnitine Capsules Supplements to Support Healthy Blood Flow - 60 Capsules
VitaMonk$26.894.1★
Demand & seasonality
Weekly Amazon search volume, last 103 weeks — -6.4% search growth over the last 90 days.Peak months: Feb · busiest ÷ quietest = 2.0×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Quality product”
“It gives me more energy”
“Exactly what I was expecting”
“Exercise endurance has improved”
“Exceptional supplement”
“No stomachache or headaches like with L-Argentine or L-Citrulline”
“This is the best product for Nitric Oxide production I have found so far”
What buyers complain about
“Brown and rancid looking”
“the smell was rancid”