All Supplements
Vitamin K2 (MK-7) vs L-Carnitine
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Vitamin K2 (MK-7)
L-Carnitine
Typical Dosage
100-200mcg MK-7 daily
2-4 grams per day
Best Form
MK-7 (Menaquinone-7)
L-Carnitine L-Tartrate
Key Benefits
5
5
Evidence Rating
★★★★
★★★
Best Time
With a fat-containing meal, ideally with Vitamin D3
With meals, or pre-workout for performance benefits
Vitamin K2 (MK-7) Benefits
✓Bone mineralisation
✓Cardiovascular protection (reduces arterial calcification)
✓Works synergistically with Vitamin D3
✓Dental health
✓May reduce fracture risk
L-Carnitine Benefits
✓Enhanced fat oxidation and energy production
✓Improved exercise performance and endurance
✓Reduced muscle fatigue and recovery time
✓Support for cardiovascular health
✓Cognitive function and mental clarity
Can You Take Both Together?
In most cases, Vitamin K2 (MK-7) and L-Carnitine can be taken together safely. However, always check the interactions section of each supplement and consult a healthcare professional if you take medication.
Which Should You Choose?
Choose Vitamin K2 (MK-7) if your primary goal is: bone mineralisation. Choose L-Carnitine if your primary goal is: enhanced fat oxidation and energy production. Many people take both as they target different aspects of health.
Disclaimer: This comparison is for educational purposes only. Always consult a healthcare professional before starting any supplement.