PlainPill

Vitamin K2 vs Vitamin K2 MK4 for heart & lipids

Short answer: For heart & lipids, more users report improvement with Vitamin K2 — 91% of 23 reports, versus 50% of 2 for Vitamin K2 MK4.

Vitamin K2 has 36 meta-analyses and 99 randomized trials on PubMed; Vitamin K2 MK4 has 0 and 0.

Based on 697 reports about Vitamin K2 and 29 about Vitamin K2 MK4. Not medical advice.

Vitamin K2
Supplement
Vitamin K2 MK4
Supplement
Users say it helped72%helped125 reports · high confidence62%helped10 reports · few reports
Verdict
Mostly positive
Mostly positive
ResearchAResearch: StrongDResearch: None
Meta-analyses / RCTs36 / 990 / 0
Mainly used for
Heart & lipids
% reporting improvement
91% (23)50% (2)
Mood
% reporting improvement
93% (14)—
Energy
% reporting improvement
100% (7)50% (2)
Sleep
% reporting improvement
60% (5)—
Libido
% reporting improvement
80% (5)—
Common side effectsheart palpitations, anxiety, palpitations, insomniafatigue, cold extremities, high blood, delayed reflexes
Typical dose reported75 mcg45 mg / daily
Vitamin K2
Latest review conclusion

The results of this meta-analysis seem to indicate that VK2 supplementation has a positive effect on the maintenance and improvement of BMD LS in postmenopausal women, and it can also reduce the fracture incidence, serum uc-OC levels and the ratio of uc-OC to cOC. In conclusion, VK2 can indirectly promote bone mineralization and increase bone strength.

Front Public Health, 2022 ↗
What a user said
“i believe k2, B vitamins, and amino acids L carnitine and glutamine made a difference in my skin.”
Full Vitamin K2 profile →
Vitamin K2 MK4
What a user said
“I ran out of my K2 MK4 drops for the first time in a couple years since I've had long-covid and I started to feel extra worse after a couple weeks.”
Full Vitamin K2 MK4 profile →

Related comparisons

Percentages come from first-hand user reports and are not clinical outcomes. Talk to a doctor before starting, stopping or combining anything. How we rate