Can you give me a breakdown of the current clinical studies on hair growth vitamin efficacy so I can decide if we should retail them at our front desk?
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Fan-out diagram
The searches the AI actually ran for this prompt.
SEED QUERY
Can you give me a breakdown of the current clinical studies on hair growth vitamin efficacy so I can decide if we should retail them at our front desk?
3 real searches · 1 real-search pass
2024 2025 2026 clinical trials systematic review supplements hair growth biotin zinc iron vitamin D omega-3 saw palmetto marine protein randomized controlled trial androgenetic alopecia telogen effluviumGoogle ↗
OBSERVEDReason
NIH Office Dietary Supplements biotin hair loss deficiency evidence laboratory interference FDAGoogle ↗
OBSERVEDReason
systematic review nutritional supplements hair loss randomized controlled trials evidence 2023 2024Google ↗
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 (3)
Classes come from the query-classifier (a local Laya model). 3 of 3 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.
Searches and sources
ChatGPT3 real searches · gpt-6
2024 2025 2026 clinical trials systematic review supplements hair growth biotin zinc iron vitamin D omega-3 saw palmetto marine protein randomized controlled trial androgenetic alopecia telogen effluvium Google ↗
NIH Office Dietary Supplements biotin hair loss deficiency evidence laboratory interference FDA Google ↗
systematic review nutritional supplements hair loss randomized controlled trials evidence 2023 2024 Google ↗
- Evaluating the Effectiveness of Commercial Oral Supplements for Hair Growth: A Systematic Review and Meta‐Analysis - Alanazi - 2026 - Journal of Cosmetic Dermatology · onlinelibrary.wiley.com
- Evaluating the Effectiveness of Commercial Oral Supplements for Hair Growth: A Systematic Review and Meta‐Analysis · pmc.ncbi.nlm.nih.gov
- Effects of dietary supplements on androgenetic alopecia: a systematic review and network meta-analysis · pmc.ncbi.nlm.nih.gov
- Frontiers | Effects of dietary supplements on androgenetic alopecia: a systematic review and network meta-analysis · doi.org
- Biotin · ods.od.nih.gov
- Biotin · ods.od.nih.gov
- Supplements and the skin · staging.aad.org
- Thinning hair and hair loss: Could it be female pattern hair loss? · aad.org
- Evaluation of the Safety and Effectiveness of Nutritional Supplements for Treating Hair Loss: A Systematic Review · pubmed.ncbi.nlm.nih.gov
- Hair loss: Diagnosis and treatment · aad.org
- Hair loss: Tips for managing · aad.org
- Questions and Answers on Dietary Supplements · fda.gov
- Structure/Function Claims · fda.gov
- Dietary Supplement Labeling Guide: Chapter VI. Claims · fda.gov
- Should I take vitamins or supplements for my skin? · aad.org
Queries
3 queries · click a column to sort
| Query / type | Search | Intent | Query class | Routing format | Cluster | Freq ↓ | Weight |
|---|---|---|---|---|---|---|---|
2024 2025 2026 clinical trials systematic review supplements hair growth biotin zinc iron vitamin D omega-3 saw palmetto marine protein randomized controlled trial androgenetic alopecia telogen effluvium OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 | |
NIH Office Dietary Supplements biotin hair loss deficiency evidence laboratory interference FDA OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 | |
systematic review nutritional supplements hair loss randomized controlled trials evidence 2023 2024 OBSERVED | Google ↗ AI Mode ↗ | — | Reason | — | — | 1x of 1 |