Real ChatGPT answer · index seedU4Yrttrm3ZYcompleteHealth and wellness · supplements and vitaminsinformational

I feel so sluggish and sad every winter, so I bought some vitamin D3, but how do I know if it is actually helping with my seasonal depression?

ChatGPTgpt-62 queries11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
I feel so sluggish and sad every winter, so I bought some vitamin D3, but how do I know if it is actually helping with my seasonal depression?
2 real searches · 1 real-search pass
vitamin D supplementation seasonal affective disorder evidence randomized trial guideline vitamin D deficiency depression testing 25 hydroxyvitamin DGoogle ↗
OBSERVEDReason
NIMH seasonal affective disorder treatment light therapy psychotherapy vitamin D evidenceGoogle ↗
OBSERVEDReason

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.

ChatGPT real searches (2)
Short factOther / navigationalComparisonConsequenceReason100%DefinitionInstructionYes / no

Classes come from the query-classifier (a local Laya model). 2 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT2 real searches · gpt-6
vitamin D supplementation seasonal affective disorder evidence randomized trial guideline vitamin D deficiency depression testing 25 hydroxyvitamin D Google ↗
NIMH seasonal affective disorder treatment light therapy psychotherapy vitamin D evidence Google ↗
  1. Vitamin D · ods.od.nih.gov
  2. Seasonal Affective Disorder · nimh.nih.gov
  3. Seasonal Affective Disorder · nccih.nih.gov

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
vitamin D supplementation seasonal affective disorder evidence randomized trial guideline vitamin D deficiency depression testing 25 hydroxyvitamin D
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1
NIMH seasonal affective disorder treatment light therapy psychotherapy vitamin D evidence
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1