Deficiencies in nutrients such as iron and zinc can cause hair loss. Supplementing to offset these may reverse this hair loss. Vitamin D and protein deficiencies are also associated with hair loss.
There is preliminary evidence that saw palmetto, beta-sitosterol, pumpkin seed oil, and Viviscal
(a formula that includes marine protein) may provide a benefit for people with androgenic alopecia (male-pattern baldness) or self-perceived hair loss (in women). Applied topically, certain essential oils may be helpful for other types of hair loss.
For details, plus information about supplements such as DHEA, selenium, and St. John's wort that may cause hair loss, see the full answer >>