Strong evidencemineral
Zinc for Hair Thinning
Zinc is critical for DNA and RNA polymerase in rapidly dividing hair follicle cells. It modulates 5-alpha reductase (reducing DHT), supports keratin synthesis, and regulates the hair follicle growth cycle from telogen to anagen.
How strong is the research?
Strong evidence
Based on a meta-analysis of multiple studies — the highest level of research evidence.
How much to take
15–30 mg
Zinc deficiency is associated with telogen effluvium and alopecia areata. Do not exceed 40mg/day long-term.
When to take it
Best taken: empty stomach