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While there is no recommended dietary allowance for biotin, an adequate dosage for adults 18 years of age and older is 30 micrograms daily. The appropriate dose is ultimately subject to the age, health and needs of the patient.


To take biotin, consult a doctor or a trained health supplement specialist if you intend to take the vitamin in the form of herbal supplements, and take the appropriate dosage according to the package instructions or as recommended by a health care professional, advises Drugs.com. Avoid taking addit


The adequate intake of biotin depends on the age of the person taking the supplement and varies from 5 to 35 micrograms per day, reports WebMD. However, the need to supplement this nutrient is uncommon because it is rare to have biotin deficiency, says Mayo Clinic.


Biotin is considered fairly safe even at high levels, says WebMD. In fact, researchers have not discovered a dosage level that might create a health risk.


While Drugs.com reports no adverse effects in humans taking up to 10 milligrams of biotin per day, the normal recommended adult dosage is between 30 to 100 micrograms daily. Individuals noticing any adverse reactions at any level should consult a medical provider.


Biotin does not have any known side effects, according to WebMD. Researchers have not determined a maximum safe dose of biotin due to the lack of adverse side effects.


The length of time for the effects of biotin intake to manifest vary and are dependent on factors such as the physiology of an individual, dosage and purpose, according to WebMD. Biotin is an enzyme and a type of B vitamin necessary for healthy skin and metabolism.


The recommended daily dosage of biotin is 30 to 100 micrograms for adults and adolescents, states Mayo Clinic. For children, dosage depends upon age. Children who are 7-10 years old take 30 micrograms, 4-6 year olds take 25 micrograms, and newborn up to age 3 take 10 to 20 micrograms.


Use of biotin in high doses has been shown to cause hives, difficulty breathing and swelling of the face, lips, tongue and throat. These effects are uncommon in normal doses, claims Drugs.com.


Biotin is not only safe, it is vital to overall health and in treating certain medical ailments, according to WebMD. Biotin supports a person's nerves, skin, digestive tract and cells. It also contributes to a healthy metabolism. Some research suggests that, in combination with other nutrients, biot