Deficiency is rare because biotin can be synthesized from food in the small intestine.
Without biotin, the face and body will get eczema, erythema and scales on the face and hair loss. Sometimes it will make the body extremely tired and hinder the metabolism of fat, thus affecting appetite.
Efficacy: keep hair and skin healthy and prevent hair loss and gray hair; Relieve symptoms of eczema and dermatitis; Increase the thickness of nails to prevent them from breaking; Relieve fatigue and muscle pain.
Food sources include egg yolk, salted fish, meat, milk, chicken, duck, goose, soybean, whole wheat, yeast, animal liver, cauliflower, whole grain food, animal kidney, peanut butter and brown rice.