Vitamin D vs Vitamin D + K2 for mood
Short answer: For mood, more users report improvement with Vitamin D + K2 — 100% of 2 reports, versus 88% of 393 for Vitamin D.
Vitamin D has 3,251 meta-analyses and 4,560 randomized trials on PubMed; the other has not been graded.
Based on 3,058 reports about Vitamin D and 15 about Vitamin D + K2. Not medical advice.
| Vitamin D Supplement | Vitamin D + K2 Supplement | |
|---|---|---|
| Users say it helped | 67%helped1,101 reports · high confidence | 100%helped4 reports · few reports |
| Verdict | Mostly positive | Mostly positive |
| Research | AResearch: Strong | Not graded |
| Meta-analyses / RCTs | 3,251 / 4,560 | — |
| Mainly used for | ||
| Mood % reporting improvement | 88% (393) | 100% (2) |
| Energy % reporting improvement | 87% (255) | — |
| Sleep % reporting improvement | 52% (119) | — |
| Immunity % reporting improvement | 98% (94) | — |
| Anxiety % reporting improvement | 64% (90) | — |
| Common side effects | insomnia, anxiety, hypercalcemia, nausea | None reported |
| Typical dose reported | 10,000-20,000 IU / daily | 4000 IU + 100 mcg |
These results indicate that the prevalence of vitamin D deficiency was more elevated in obese subjects. The vitamin D deficiency was associated with obesity irrespective of age, latitude, cut-offs to define vitamin D deficiency and the Human Development Index of the study location.
Obes Rev, 2015 ↗“First thing I noticed was my mood & libido, I have more 'feeling/sensitivity' down there.”
“Adding vitamin D + K2 really helped my lifelong insomnia. I can now sleep 7-8 hrs a night with minimal waking up.”
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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