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Evidence-Based Supplement Research

Evidence-Based Supplement Research

Vitamin K2 and Improved Depression Status

Doses used in studies

µg/day: 90 (median 90, IQR 90–90) — 1 study

Time to effect

Median: 8 weeks · IQR 8 weeks–8 weeks · Range 8 weeks–8 weeks — Reported in 1 of 1 study

1 of 1 paper

Effect of vitamin K2 administration on depression status in patients with polycystic ovary syndrome: a randomized clinical trial.
- 2022-07-26
- RCT · n = 42
- BMC women's health 22(1)
- - Firoozeh Tarkesh
  - Bahia Namavar Jahromi
  - Najmeh Hejazi
  - Golazin Hoseini
- PubMed: 35883082
- DOI: 10.1186/s12905-022-01825-8
1 Insight on
- Improved Depression Status
- High evidence
- Clinical
Consumption of Menaquinone-7 in comparison with the placebo capsules significantly improved depression status (P = 0.012).
Effect
Beneficial
Effect size
Moderate
Significant
Yes
Dose
90 µg/day