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www.reference.com/article/daily-dose-biotin-42a6e6ae8ae4e06

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.

www.reference.com/article/can-vitamins-high-dose-biotin-3e764bc8c4428d6d

Biotin high-potency vitamin supplements are available on iHerb.com, SuperSup.com and ProfessionalSupplementCenter.com. Biotin is commonly referred to as vitamin B-7 and is water-soluble; therefore, it must be replenished on a daily basis, according to Dr. Weil.

www.reference.com/article/biotin-good-49036dd7e63b1200

Biotin is a B-vitamin and coenzyme that plays several roles in the human body and affects the skin and nerves. It supports digestive health and plays a role in cellular metabolism. According to WebMD, a normal diet along with the body's recycling of previously used biotin satisfies the body's requir

www.reference.com/article/biotin-145fdd49d0d286f4

Biotin is a B vitamin that helps keep the skin, nerves, cells, digestive tract and metabolism healthy, according to WebMD. This vitamin, also sometimes referred to as vitamin H, occurs naturally in many foods, including whole-wheat grains, eggs, dairy products, salmon and chicken.

www.reference.com/article/much-biotin-much-a3870b1630b8752b

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.

www.reference.com/article/biotin-787027f14e620d41

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

www.reference.com/article/happens-much-biotin-59850affab11f6f5

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.

www.reference.com/article/much-biotin-should-daily-hair-loss-45a4d6ec9513d09f

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.

www.reference.com/article/recommended-daily-dosage-biotin-86ffb662d9dce3f5

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.

www.reference.com/article/long-before-biotin-works-e3552ea3bb4f07bc

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.