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Vitamin K2 (MK-7) vs Alpha-GPC
Side-by-side comparison — benefits, dosage, forms, and research.
Feature
Vitamin K2 (MK-7)
Alpha-GPC
Typical Dosage
100-200mcg MK-7 daily
300–600 mg per day
Best Form
MK-7 (Menaquinone-7)
Capsule
Key Benefits
5
6
Evidence Rating
★★★★
★★★★
Best Time
With a fat-containing meal, ideally with Vitamin D3
Split into 2–3 doses with meals; morning and afternoon optimal for cognitive benefits
Vitamin K2 (MK-7) Benefits
✓Bone mineralisation
✓Cardiovascular protection (reduces arterial calcification)
✓Works synergistically with Vitamin D3
✓Dental health
✓May reduce fracture risk
Alpha-GPC Benefits
✓Enhanced memory and recall
✓Improved focus and concentration
✓Increased mental clarity
✓Supports acetylcholine production
✓Promotes neuroplasticity and brain health
✓May improve athletic performance and muscle function
Can You Take Both Together?
In most cases, Vitamin K2 (MK-7) and Alpha-GPC 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 Alpha-GPC if your primary goal is: enhanced memory and recall. 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.