September 2024 in “Journal of the American Academy of Dermatology” Dietary changes and supplements mostly did not improve alopecia areata.
January 2018 in “Hair transplant forum international” Nutrafol might help reduce hair loss due to inflammation, but more evidence is needed.
134 citations
,
December 2018 in “Dermatology and Therapy” Some vitamins and minerals like vitamin D and iron can help with certain types of hair loss, but more research is needed for others.
The conclusion is that hair supplement ingredients may be unsafe and should be disclosed and proven safe before use.
15 citations
,
October 2017 in “Dermatologic Clinics” New treatments for male hair loss show promise but need more research for safety and effectiveness.