September 18, 2023 5:11 AM EDT
There are powder and capsule versions of keratin supplements. Supplements for keratin do not come without hazards. They can result in an overabundance of protein if used excessively. In the US, keratin and biotin are available as oral supplements.Are Keratin Supplements Safe? they are probably safe, according to the National Library of Medicine. Since keratin makes up the majority of hair, many individuals think that taking a keratin supplement