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L-Carnitine 500mg
L-Carnitine 500mg
L-Carnitine 500mg
L-Carnitine 500mg
Compare 6 prices for L-Carnitine. Cheapest: £12.00. Average: £17.82.
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| £17.95 | £0.04/mg | Out of Stock | Free |
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| £12.99 | £0.03/mg | Out of Stock | £9.99 |
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| £12.00 | £0.02/mg | In Stock | Free |
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| £19.00 | £0.04/mg | Low Stock | Free over £200 |
Lab Tested
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| £19.99 | £0.04/mg | In Stock | Free |
Lab Tested
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| £25.00 | £0.05/mg | In Stock | £9.99 |
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Amino Acid Derivative | Fatty Acid Transporter
L-Carnitine is an amino acid derivative naturally produced in the body and essential for transporting long-chain fatty acids into mitochondria for energy production. Injectable forms bypass digestive absorption limitations of oral supplements.
Acts as a carrier molecule, shuttling long-chain fatty acids across the inner mitochondrial membrane via the carnitine palmitoyltransferase (CPT) system. This is the rate-limiting step in fatty acid oxidation for energy production.
Primary function transporting fatty acids into mitochondria for beta-oxidation.
Supports ATP generation from fat metabolism, particularly during exercise.
May enhance fat utilization when combined with exercise and caloric deficit.
May reduce muscle damage markers and improve recovery post-exercise.
Enhances fat utilization during prolonged exercise, potentially sparing glycogen.
FDA-approved treatment for primary and secondary carnitine deficiency.
Used in patients on hemodialysis who develop carnitine depletion.
Subcutaneous or intramuscular injection provides superior bioavailability compared to oral supplementation, which is limited to ~15-20% absorption.
| Goal | Dose | Frequency | Route |
|---|---|---|---|
| Standard Protocol | 50-100mg | Daily | SubQ |
| Advanced Protocol | 100-200mg | Daily | SubQ or IM |
| Pre-Workout | 100-200mg | 30-60 min before exercise | SubQ |
L-Carnitine may affect thyroid hormone action. Those on thyroid medication should monitor levels.
May enhance effects of warfarin and similar medications.
Injectable form provides rapid absorption within 30-60 minutes
Potential improvements in energy and exercise capacity
Cumulative benefits on fat metabolism and recovery
Full metabolic optimization when combined with exercise
Meta-analysis showing modest benefits of L-carnitine on exercise performance and recovery markers.
Comprehensive review of carnitine's role in fatty acid transport and energy metabolism.
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