It helps the body convert carbohydrates into glucose, which it needs to make energy. Biotin deficiency symptoms can include thinning hair, a scaly rash, conjunctivitis, and more. Biotin also helps ...

Biotin supports several important functions in the body, but do you need to take it as a supplement? Experts weigh in.

That said, true biotin deficiency is rare. Biotin is present in a wide variety of foods, so individuals with a fairly balanced diet are unlikely to experience a deficiency. People with biotin ...

Biotin deficiency is so rare that a severe deficiency has never been reported in a healthy adult eating a mixed diet. However, in cases of biotin deficiency, the symptoms can include ...

While rare, biotin deficiency can lead to symptoms such as thinning hair, skin rashes, brittle nails, fatigue and depression. “Biotin is [also] considered helpful for healthy skin, nails and ...

“That’s actually why I don’t typically recommend biotin supplements unless there’s a proven deficiency.” Biotin can help support healthy skin, hair and nails, both of our experts tell ...

Do you need to take them? "Biotin supplementation is unnecessary unless you have a diagnosed deficiency or are advised to supplement by your physician," says Dr. Castilla. "And since the vitamin ...