Researchers have also studied how biotin supplements affect blood sugar levels in people with type 2 diabetes. The results have been mixed, but some studies have shown that taking both biotin and chromium picolinate could help treat type 2 diabetes. Overall, fully understanding the effects of biotin on diabetes and blood sugar control will require more high quality research. However, people with biotin deficiencies may experience skin problems, including red, scaly rashes.
Some people also believe that biotin may help improve psoriasis. This process is important for maintaining healthy skin, and it may be impaired in people with low levels of biotin. It is important to note that no evidence shows that biotin improves skin health in people who do not have a deficiency of the vitamin. Multiple sclerosis MS is an autoimmune disease. It damages the protective covering of nerve fibers in the brain, spinal cord, and eyes.
This protective covering is called myelin, and biotin may play an important role in producing it. Studies have shown that people with MS respond positively to daily biotin doses of up to milligrams mg.
This supplementation may reverse the progression of the disease and reduce chronic disability. Read more about biotin as a part of MS treatment. Biotin exists in a wide variety of foods, which helps explain why a deficiency in the vitamin is fairly rare. Read more about biotin-rich foods here. In addition, gut bacteria produce some biotin. Some people take supplements that either contain biotin on its own or in a combination of vitamins. Healthcare professionals consider biotin to be very safe.
Even very high doses of up to mg daily, to treat MS, have not led to adverse side effects. The recommended daily dosage for adults is much lower: 30 mcg. Biotin is a water-soluble vitamin, and any amount that the body does not absorb is excreted in urine. However, there have been some reports of high doses of biotin causing strange results on thyroid tests. Anyone who has a thyroid condition may benefit from checking with a doctor before trying a biotin supplement. Biotin is a B vitamin that plays a crucial role in the metabolism of carbs, fats, and proteins.
It supports health in many ways. Biotin deficiencies are relatively rare, but they can cause skin, hair, and nail problems. Pregnant or breastfeeding women may require more of this vitamin. A leading-edge research firm focused on digital transformation. Women's Health. Primary Care. Mental Health. More Button Icon Circle with three vertical dots. It indicates a way to see more nav menu items inside the site menu by triggering the side menu to open and close.
Kelly Burch. Our stories are reviewed by medical professionals to ensure you get the most accurate and useful information about your health and wellness. For more information, visit our medical review board. Biotin benefits include keeping your hair, skin, nails, and metabolism healthy.
However, biotin won't benefit your hair unless you have a deficiency or an underlying condition. You should aim to consume at least 30 micrograms of biotin daily. Visit Insider's Health Reference library for more advice. Kelly Burch is a New Hampshire-based freelance journalist writing about finances, health, family, and more.
Health Benefits of Biotin. Medically reviewed by Debra Rose Wilson, Ph. Stevens — Updated on March 8, What is biotin? Recommended daily allowance. Supplements and diabetes. Healthy hair, skin, and nails? Fetal development. Natural sources of biotin. The Takeaway. Read this next. What Are the Side Effects of Biotin?
Biotin Deficiency. Medically reviewed by Graham Rogers, M. Medically reviewed by Debra Sullivan, Ph. Should Women Take Supplements? Sources and Dietary Needs.
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