A plant long used in traditional Indian medicine as a hair tonic. In animal and cell studies its extracts push hair follicles into their growth phase and block the hormone behind common baldness, but no human trials confirm it regrows hair. Topical scalp use appears generally safe; the real-world effect on human hair remains unproven. (Full Review)
| Marker | Target | Why |
|---|---|---|
| ALT | ~10–26 U/L | Detects liver stress from oral use |
| AST | ~10–26 U/L | Detects liver-cell injury from oral use |
| Ferritin | ~50–150 ng/mL | Rules out iron-deficiency hair loss the herb cannot fix |
| TSH | ~0.5–2.5 mIU/L | Rules out thyroid-driven hair loss |
Cadence: Topical use: comparison photos every 3 months over a 4–6 month trial. Oral use: liver enzymes at 4–8 weeks, then every 3–6 months.