Real ChatGPT answer · index seedajHh4UGTI0YcompleteHealth and wellness · supplements and vitaminsinformational

How long does it take for high-dose vitamin D3 to start improving severe fatigue and low mood during dark winter days?

ChatGPTgpt-62 queries10/31/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
How long does it take for high-dose vitamin D3 to start improving severe fatigue and low mood during dark winter days?
2 real searches · 1 real-search pass
vitamin D deficiency treatment response fatigue mood time 8 weeks 25(OH)D guideline high dose safety NIH fact sheetGoogle ↗
OBSERVED
NHS vitamin D high dose deficiency treatment monitoring 25-hydroxyvitamin DGoogle ↗
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 2 queries…

Searches and sources

ChatGPT2 real searches · gpt-6
vitamin D deficiency treatment response fatigue mood time 8 weeks 25(OH)D guideline high dose safety NIH fact sheet Google ↗
NHS vitamin D high dose deficiency treatment monitoring 25-hydroxyvitamin D Google ↗

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
vitamin D deficiency treatment response fatigue mood time 8 weeks 25(OH)D guideline high dose safety NIH fact sheet
OBSERVED
Google ↗
AI Mode ↗
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NHS vitamin D high dose deficiency treatment monitoring 25-hydroxyvitamin D
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1