Keratin supplements may be a worthy addition to a beauty regimen, depending on the person. There's some data supporting its use, and anecdotally (per my anecdote), it may help promote hair health.

Keratin supplements may be a worthy addition to a beauty regimen, depending on the person. There's some data supporting its use, and anecdotally (per my anecdote), it may help promote hair health.

Keratin supplements can vary in price, so it’s important to find one that fits your budget. Keep in mind that the most expensive product isn’t necessarily the best.

For example, biotin is well-known for supporting keratin production, a key protein in hair and nails. [ 16 ] And zinc, vitamin A, and vitamin C are important for collagen formation and overall ...

A small study revealed that people taking vitamin E supplements for eight months experienced a 34.5% increase in hair growth. You can also find vitamin E in sunflower seeds, spinach, avocados and ...

Experts explain how hair growth vitamins are an easy—and natural—way to get stronger, fuller, and longer strands. Also, discover the best ones money can buy.