Diagnostics
2 evidence-based articles
diagnostics
Which Blood Tests to Get Before Treating Hair Loss
The blood markers worth checking before you treat hair loss — ferritin, thyroid, vitamin D, testosterone/SHBG — what each rules in or out, and when a panel is actually worth it.
5 min readUpdated 2026-08-21
diagnosticsWhat's Actually Causing Your Hair Loss: The Hormonal Picture
Pattern baldness is a description, not a diagnosis. How DHT, thyroid, iron, vitamin D, and hormonal shifts drive hair loss — and which blood markers actually tell you what's going on.
9 min readUpdated 2026-08-21