Real ChatGPT answer · index seedAMz58tpal7scompleteHealth and wellness · supplements and vitaminsinformational

My energy has been terrible this winter and I heard about combating seasonal depression with vitamin D3. What is the recommended safe dosage for older adults?

ChatGPTgpt-62 queries11/1/2026
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The searches the AI actually ran for this prompt.

SEED QUERY
My energy has been terrible this winter and I heard about combating seasonal depression with vitamin D3. What is the recommended safe dosage for older adults?
2 real searches · 1 real-search pass
NIH Office of Dietary Supplements vitamin D fact sheet health professionals RDA older adults upper limit 4000 IU depression evidenceGoogle ↗
OBSERVED
NCCIH seasonal affective disorder vitamin D evidence treatment light therapy older adults vitamin DGoogle ↗
OBSERVED

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Classifying 2 queries…

Searches and sources

ChatGPT2 real searches · gpt-6
NIH Office of Dietary Supplements vitamin D fact sheet health professionals RDA older adults upper limit 4000 IU depression evidence Google ↗
NCCIH seasonal affective disorder vitamin D evidence treatment light therapy older adults vitamin D Google ↗
  1. Vitamin D · ods.od.nih.gov
  2. Vitamin D · ods.od.nih.gov
  3. Seasonal Affective Disorder · nccih.nih.gov
  4. Seasonal Affective Disorder · nimh.nih.gov

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
NIH Office of Dietary Supplements vitamin D fact sheet health professionals RDA older adults upper limit 4000 IU depression evidence
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1
NCCIH seasonal affective disorder vitamin D evidence treatment light therapy older adults vitamin D
OBSERVED
Google ↗
AI Mode ↗
————1x
of 1