Best Hair Growth Supplements Ranked by AI Models (2026)
Tracked across 1 benchmark run from May 18, 2026 to May 18, 2026
The exact question we asked AI models
“I am a 36-year-old woman in the USA, a busy working mom experiencing increased postpartum and stress-related hair shedding, looking for hair growth supplements. Can you compare the top brands and rank them?”
Brand Recommendations
Aggregated across ChatGPT, Claude, Gemini, and Perplexity over 1 benchmark run.
| # | Brand | Mentions | Top-3 | First Picks |
|---|---|---|---|---|
| 1 | Viviscal | 4 | 4 | 0 |
| 2 | Nutrafol | 4 | 4 | 0 |
| 3 | MaryRuths | 2 | 1 | 0 |
| 4 | Nature Made | 1 | 0 | 0 |
| 5 | No brand named | 1 | 1 | 0 |
| 6 | Baby Blues | 1 | 1 | 0 |
| 7 | OUAI | 1 | 0 | 0 |
| 8 | Ritual | 1 | 1 | 0 |
Model-by-Model Breakdown
Top brands each AI model recommends for this prompt.
chatgpt
- 1.Nutrafol
- 2.Viviscal
- 3.Ritual
- 4.MaryRuths
- 5.Nature Made
claude
- 1.Nutrafol
- 2.Viviscal
- 3.Baby Blues
gemini
- 1.Nutrafol
- 2.Viviscal
- 3.MaryRuths
- 4.OUAI
perplexity
- 1.Nutrafol
- 2.Viviscal
- 3.No brand named
Key Insights
Key Takeaway
For a 36-year-old postpartum mom with stress shedding, AI recommendations consolidate around two brands - Nutrafol and Viviscal - across every model and every prompt. A third tier exists for Ritual, Pink Stork, and MaryRuths, but they only appear when budget constraints are introduced. The strongest cross-model signal is that bloodwork (ferritin, vitamin D, TSH) is positioned as higher ROI than any supplement.
Top Brands Summary
Nutrafol and Viviscal are the universal-tier duopoly - mentioned by all four models in every brand-ranking prompt. Nutrafol is the consensus #1 premium pick (Postpartum variant when breastfeeding context applies). Viviscal owns the value/affordable tier. Ritual, Pink Stork, and MaryRuths form a clear second tier. Everything else is single-model.
See the full Hair Growth Supplements benchmark
Cross-model rankings, trend data, and competitive landscape.
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