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Zinc

Also known as: Zinc gluconate, zinc picolinate, zinc sulfate

Moderate EvidenceMicronutrientTelogen EffluviumAndrogenic Alopecia

Essential mineral where deficiency is strongly linked to hair loss; supplementation helps deficient patients.

Regrowth Potential20%
Long-Term Viability55%

Mechanism of Action

Zinc is a cofactor for over 300 enzymes, including those involved in DNA synthesis, cell division, and protein synthesis — all critical for the rapidly dividing hair matrix. Zinc also modulates 5-alpha reductase activity, influences the hair follicle regression cycle, and supports immune function relevant to alopecia areata.

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