Loading...
Version 2 is almost here. V2 coming soon. Join 500+ users before launch.Download now
Also known as: Acetyl-L-Carnitine, L-Carnitine L-Tartrate, ALCAR
Mixed evidence. May improve fat metabolism and recovery modestly. Most effective in people with low carnitine (vegetarians) or taken long-term with carbs.
Amount
2-3g daily
Timing
With a carb-containing meal (insulin helps uptake into muscle)
Notes
L-Carnitine L-Tartrate is best for exercise. Acetyl-L-Carnitine (ALCAR) crosses blood-brain barrier for cognitive effects.
Track your L-Carnitine intake alongside your macros in FitCommit.
V2 coming soon. Join 500+ users before launch.
Shuttles fatty acids into cells for burning
L-Tartrate reduces muscle damage markers
ALCAR supports brain energy metabolism
May improve fat utilization during exercise
Fishy body odor
Reduce dose
Nausea
Take with food
GI discomfort
Start with 1g and increase
Modest benefit. May slightly improve fat utilization during exercise. More noticeable in vegetarians.
The recovery benefits (L-Tartrate form) may help during high-volume training phases.
$0.20-0.40
per day
Moderate value
Most people notice effects from L-Carnitine within 2-4 weeks of consistent use. Full benefits typically develop over 2-4 weeks of consistent use.
L-Carnitine is generally well tolerated. Potential side effects include fishy body odor, nausea, gi discomfort. Start with a lower dose to assess tolerance.
At approximately $0.20-0.40 per day, L-Carnitine is moderate value. Moderate cost for modest benefit. Best value for vegetarians who are truly deficient.
L-Carnitine stacks well with Caffeine, Green Tea Extract, Yohimbine. Always introduce one supplement at a time to monitor individual responses.
FitCommit calculates your exact macros and calorie targets from an AI body scan. Track food with camera scanning. Free 7-day trial.
Try FitCommit Free4.9 stars on the App Store. Free 7-day trial, then $3.99/mo.