Real ChatGPT answer · index seedPTySLfKggSwcompleteHealth and wellness · supplements and vitaminscommercial
I need evidence-based recommendations on combating seasonal depression with high-dose vitamin D3 combined with K2, including recent optimal blood level thresholds.
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The searches the AI actually ran for this prompt.
SEED QUERY
I need evidence-based recommendations on combating seasonal depression with high-dose vitamin D3 combined with K2, including recent optimal blood level thresholds.
4 real searches · 1 real-search pass
2025 vitamin D seasonal affective disorder depression randomized trial systematic review 25(OH)D threshold guideline 2024 2025Google ↗
OBSERVED
Endocrine Society 2024 vitamin D guideline 25(OH)D target threshold supplementation high dose adultsGoogle ↗
OBSERVED
vitamin K2 vitamin D3 combination evidence depression seasonal affective disorder clinical trialGoogle ↗
OBSERVED
NIH vitamin D fact sheet upper limit 4000 IU toxicity 25 hydroxyvitamin D 50 ng/mLGoogle ↗
OBSERVED
Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.
Query classes
Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.
Classifying 4 queries…
Searches and sources
ChatGPT4 real searches · gpt-6
2025 vitamin D seasonal affective disorder depression randomized trial systematic review 25(OH)D threshold guideline 2024 2025 Google ↗
Endocrine Society 2024 vitamin D guideline 25(OH)D target threshold supplementation high dose adults Google ↗
vitamin K2 vitamin D3 combination evidence depression seasonal affective disorder clinical trial Google ↗
NIH vitamin D fact sheet upper limit 4000 IU toxicity 25 hydroxyvitamin D 50 ng/mL Google ↗
- The effect of vitamin D supplementation on depression: a systematic review and dose–response meta-analysis of randomized controlled trials · pmc.ncbi.nlm.nih.gov
- Vitamin D for the Prevention of Disease: An Endocrine Society Clinical Practice Guideline · pubmed.ncbi.nlm.nih.gov
- Effect of a six-month vitamin D supplementation on depressive symptoms in patients with major depressive episode (DepFuD): a double-blinded randomised controlled trial · pubmed.ncbi.nlm.nih.gov
- Seasonal Affective Disorder · nimh.nih.gov
- Vitamin D · ods.od.nih.gov
- Vitamin D · ods.od.nih.gov
- Vitamin D for the Prevention of Disease · endocrine.org
- The 2024 Endocrine Society Guideline on Vitamin D: Comprehensive Summary and Critical Appraisal · pmc.ncbi.nlm.nih.gov
- Seasonal Affective Disorder · nimh.nih.gov
- DailyMed - BUPROPION HYDROCHLORIDE XL- bupropion hydrochloride tablet, extended release · dailymed.nlm.nih.gov
- Seasonal Affective Disorder · nccih.nih.gov
Queries
4 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
2025 vitamin D seasonal affective disorder depression randomized trial systematic review 25(OH)D threshold guideline 2024 2025 OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 | |
Endocrine Society 2024 vitamin D guideline 25(OH)D target threshold supplementation high dose adults OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 | |
vitamin K2 vitamin D3 combination evidence depression seasonal affective disorder clinical trial OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 | |
NIH vitamin D fact sheet upper limit 4000 IU toxicity 25 hydroxyvitamin D 50 ng/mL OBSERVED | Google ↗ AI Mode ↗ | — | — | — | — | 1x of 1 |