L-Carnitine
FDA APPROVED
Metabolic
L-Carnitine
Performance
0
Amino acids
Molecular weight
Peptide
Type
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.
Top researched benefits
Overview of L-Carnitine
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.
metabolic
- 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.
performance
- May reduce muscle damage markers and improve recovery post-exercise.
- Enhances fat utilization during prolonged exercise, potentially sparing glycogen.
clinical uses
- FDA-approved treatment for primary and secondary carnitine deficiency.
- Used in patients on hemodialysis who develop carnitine depletion.
Typical Dose
50-200mg daily
Frequency
Once daily or pre-workout
Cycle Duration
8-16 weeks (can be used continuously)
Storage
Lyophilized: -20°C; Reconstituted: 2-8°C for 2-4 weeks
No visual available
Due to this peptide having no amino acids, there is no molecular chain to display.
Chemical Makeup
Key benefits
Enhanced fatty acid transport to mitochondria
Improved energy production from fats
Better bioavailability than oral forms
Support for exercise recovery
Potential cognitive benefits
Community interest
This peptide is still gaining traction in the community.
Amino Acid Derivative | Fatty Acid Transporter
This overview is informational and based on aggregated descriptions from studies and user reports.
Was it helpful?YesNoL-Carnitine Molecular Information
View the scientifc details of L-Carnitine.
Molecular Weight
161.2DaChain Length
0Amino AcidsType
PeptideL-Carnitine Protocols
Subcutaneous or intramuscular injection provides superior bioavailability compared to oral supplementation, which is limited to ~15-20% absorption.
| Goal | Dosage | Frequency | Route |
|---|---|---|---|
| Standard Protocol | 50 | 1 week range | SubQ |
| Advanced Protocol | 100 | 1 week range | SubQ or IM |
| Pre-Workout | 100 | 30 week range | SubQ |
Reconstitution Instructions
Materials needed:
Steps to reconstitute
- Allow vial to reach room temperature
- Clean rubber stopper with alcohol swab
- Add 2.0mL bacteriostatic water for 100mg/mL concentration
- Inject slowly along vial wall
- Gently swirl to dissolve; never shake
- Label with date and store refrigerated at 2-8°C
- Use within 2-4 weeks of reconstitution
L-Carnitine Cycle
The L-Carnitine Cycle section explains how long a typical cycle lasts and what to expect during each phase. Over time, your body can become less responsive with continuous use.
Taking breaks between cycles may help maintain effectiveness and support better overall results.
- Week 0-0
- Injectable form provides rapid absorption within 30-60 minutes
- Week 1-2
- Potential improvements in energy and exercise capacity
- Week 4-8
- Cumulative benefits on fat metabolism and recovery
- Week 8-16
- Full metabolic optimization when combined with exercise
Dosing tools
L-Carnitine Peptide Dosage Calculator
Calculate peptide doses with our visual syringe guide.
mg
Enter the total amount of peptide in the vial in milligrams (as stated on the label).
The dose you want to inject per administration, in mcg or mg.
1,000 mcg = 1 mg
1 mL
2 mL
3 mL
5 mL
Custom
Volume of bacteriostatic water you add to reconstitute the powder. Use BAC water for preservation.
Injection Results
Based on your vial and dilution inputs.
L-Carnitine
SINGLE COMPOUNDVolume per injection
0.05
mL
Concentration
10.00
mg/mL
Doses per vial
20
doses
Total injections per vial
20 injections
How it works
Based on a 10 mg L-Carnitine vial diluted with 1 mL of bacteriostatic water, each 500 mcg injection equals 0.05 mL.
1mL / 100 units
5 units
0.050 mL
Reference Guide
Dosing Cycle
- Peptide
- L-Carnitine
- Dosing
- 50-200mg daily
- Dosing Frequency
- Once daily or pre-workout
- Cycle Duration
- 8-16 weeks (can be used continuously)
- Storage
- Lyophilized: -20°C; Reconstituted: 2-8°C for 2-4 weeks
Note: Triple agonist; microdose for fewer side effects
Reconstitution Tips
- Use bacteriostatic water (BAC) — contains 0.9% benzyl alcohol for preservation
- Inject water slowly — aim down the vial wall, not directly onto powder
- Never shake — gently swirl or roll the vial until dissolved
- Store properly — refrigerate at 2-8°C after reconstitution
- Use within 28 days — most reconstituted peptides remain stable for about 4 weeks
- Keep sterile — always clean vial tops with alcohol before drawing
Side effects
Contraindications
Seizure disorders (may lower seizure threshold)
Hypothyroidism (may affect thyroid function)
Allergy to carnitine products
Stop signs
Allergic reactions (rare)
Severe gastrointestinal distress
Unusual muscle weakness
Bad signs
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Frequently asked questions
What is a peptide dosage calculator?
A peptide dosage calculator is a free tool that converts your vial size, bacteriostatic water volume, and target dose into an exact syringe draw volume. Instead of doing the reconstitution math by hand, you enter three inputs and instantly get the concentration of your solution and how many milliliters or syringeunits to draw. This calculator works for single peptide compounds and multi-peptide blends.
How do I calculate peptide dosage from a vial?
To calculate your peptide dose, divide the total peptide content of your vial in micrograms by the volume of bacteriostatic water you added in milliliters. This gives you your solution concentration in mcg/mL. Then divide your target dose by that concentration to get your draw volume. For example, a 5mg (5,000 mcg) vial reconstituted with 2mL of BAC water gives a concentration of 2,500 mcg/mL. A 250 mcg dose would require drawing 0.1mL. This calculator automates all of those steps instantly.
How much Bacteriostatic water should I add to a peptide vial?
Most people add 2mL to 3mL of bacteriostatic water per vial, but the right amount depends on the dose you want to draw and the syringe size you are using. Adding 1mL to a 5mg vial gives you a concentration of 5,000 mcg/mL, making each dose very small in volume. Adding 2mL gives you 2,500 mcg/mL, which is easier to measure on a standard insulin syringe. A general guideline is to choose a volume that puts your typical dose somewhere between 10 and 30 units on a U-100 syringe. Use the calculator above to test different water volumes and find what works for your dose.
How are peptides different from proteins?
Both are made of amino acids, but peptides are much smaller than proteins. Because of their tiny size, peptides can act like tiny messengers in the body, sending specific signals to your cells to tell them exactly what to do.
L-CarnitineResearch References
L-Carnitine is an established compound
L-Carnitine
L-Carnitine is an established compound
L-Carnitine Supplementation and Exercise
Meta-analysis showing modest benefits of L-carnitine on exercise performance and recovery markers.
2018
Carnitine Metabolism and Function
Comprehensive review of carnitine's role in fatty acid transport and energy metabolism.
2012