Medically reviewed by Kierra Brown, RD A biotin deficiency occurs when the body doesn't get enough biotin (vitamin B7), a ...

Researchers have suspected for some time that the link between our gut and brain plays a role in the development of Parkinson ...

Want stronger hair, glowing skin, and healthy nails? Vitamin B7 is your go-to! It also supports metabolism and helps regulate blood sugar levels. Vitamin B9 is crucial for brain health ...