Vitamin D/K
People mainly take Vitamin D/K for mood. Based on 2 first-hand reports. Ranked #1956 of 1,974 overall.
5
User score
Mostly negative0% positive0% mixed50% negative50% unclear
Of reports that state an outcome, 0% are positive.
Clinical research
Research pending
What Vitamin D/K does, according to users
Of the people who reported each effect, the share who said it got better.
betterno changeworse
What the research says
Systematic reviews and meta-analyses from PubMed, with their published conclusions.
Research data for Vitamin D/K is being compiled.
Dosage people report
As stated by users — not a recommendation. Follow the label or your doctor.
No doses stated in the reports so far.
Reported side effects
How often each side effect came up across all reports.
fatigue ×1
What users say
Verbatim quotes, shortened only — each links to the original discussion.
“vitamin d/k... it either had no or a really slight effect on mood and increased my fatigue”
“like D/K for bone/teeth/nail strength”
Other options for mood
Resistance Training
Lifestyle · 53 reports
100% report better mood
Mostly positive
Retatrutide
Peptide · 298 reports
69% report better mood
Mostly positiveBResearch: Moderate
Caffeine + L-Theanine
Supplement · 46 reports
100% report better mood
Mostly positive
Tirzepatide
Medication · 219 reports
76% report better mood
Mostly positiveAResearch: Strong
Creatine Monohydrate
Supplement · 139 reports
88% report better mood
Mostly positiveAResearch: Strong
Magnesium Malate
Supplement · 103 reports
100% report better mood
Mostly positiveDResearch: None
User data from public discussions; research from PubMed. Information only, not medical advice — talk to a doctor before starting, stopping or combining anything. Data updated October 2, 2026. How we rate