The calcium traffic cop.
Effective Dose
100-200mcg
Onset
2-4 weeks
Cost
Budget
Cycle
As needed
7 things you need to know
What it does
The calcium traffic cop.
Worth it?
9/10. Essential partner for Vitamin D.
How much to take
100-200mcg
Price
Cheap (under $15/month)
How fast it works
Takes 2 to 4 weeks to notice
Safety
Check if: blood thinners (warfarin).
What people say
None.
PROBIOTIC
"None."
Research backing for this ingredient
Several studies show positive results
45+
Yes
Strong agreement among researchers
Improves bone mineral density and reduces fracture risk
Meta-analysis of 19 RCTs
Reduces arterial stiffness and improves vascular elasticity
3-Year RCT (n=244)
Increases activation of osteocalcin (bone formation marker)
Multiple Pharmacokinetic RCTs
"Essential partner for Vitamin D."
Tells calcium where to go: into bones, not arteries.
Products below minimum dose are likely ineffective
When
Any time
How
100-200mcg
Food
With or without food
Long-term benefits over weeks to months
As needed
Check for specific interactions.
Vitamin K2 is categorized as a probiotic.
Scientific consensus score: 9/10.
Evidence quality: STRONG.
Add Vitamin K2 to your stack analyzer or compare it with other ingredients.
Not medical advice. Always consult a healthcare provider.