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However, taking too much biotin may reduce the accuracy of certain blood tests — a topic we’ve discussed more below. It’s also wasteful, as there’s no evidence that very high doses of biotin offer any additional health benefits. When considering the use of herbal supplements, seek the advice of your doctor. You may also consider consulting a practitioner who is trained in the use of herbal/health supplements.
Biotin plays a key role in your body’s metabolism. “Biotin is involved in the metabolism of fats, carbs, and proteins, meaning it’s needed to turn the food you eat into energy,” says Jillian Kubala, RD, the owner of Jillian Kubala Nutrition in Westhampton, New York. Your body doesn’t make biotin on its own, so you’ll need to get the nutrient from the foods you eat. In certain instances, you may also opt to take a supplement that contains biotin.This is a general overview of Biotin. For more in-depth information, see our health professional fact sheet on Biotin. What is biotin and what does it do? Colombo, V. E., Gerber, F., Bronhofer, M., and Floersheim, G. L. Treatment of brittle fingernails and onychoschizia with biotin: scanning electron microscopy. J Am.Acad.Dermatol. 1990;23(6 Pt 1):1127-1132. View abstract. Take this vitamin regularly to get the most benefit from it. To help you remember, take it at the same time each day.
Most sources — including the National Institutes of Health — recommend a total biotin intake of 20 to 30 micrograms (mcg) per day for teenagers and adults. Pregnant or breastfeeding women often benefit from a prenatal vitamin,” says Barth. “Prenatal vitamins contain biotin, folic acid and other nutrients that are important for the health of the mother and baby. If you’re not sure which prenatal vitamin to take, ask your provider.” Do biotin supplements help with hair growth? Samadi A, Ketabi Y, Firooz R, Firooz A. Efficacy of intramuscular injections of biotin and dexpanthenol in the treatment of diffuse hair loss: A randomized, double-blind controlled study comparing two brands. Dermatol Ther. 2022;35(9):e15695. View abstract. During pregnancy, make sure to eat foods rich in biotin or talk to your doctor about taking a biotin supplement.However, this is a total biotin intake that includes all sources of biotin, such as common foods and cooking ingredients. Adults, teenagers, and children—Treatment dose is determined by prescriber for each individual based on severity of deficiency.
Hochman LG, Scher RK, Meyerson MS. Brittle nails: response to daily biotin supplementation. Cutis 1993;51:303-5. View abstract. Talk to your doctor about other medications you’re taking as well as any medical conditions you have before taking biotin. Vitamins and supplements can have a negative effect on some medications and medical conditions. Pacheco-Alvarez, D., Solorzano-Vargas, R. S., Gravel, R. A., Cervantes-Roldan, R., Velazquez, A., and Leon-Del-Rio, A. Paradoxical regulation of biotin utilization in brain and liver and implications for inherited multiple carboxylase deficiency. J Biol Chem. 12-10-2004;279(50):52312-52318. View abstract.Takahashi N, Shoji H, Arai H, et al. Effect of biotin supplementation in infant formula: A multi-center study in Japan. Pediatr Int 2023;65(1):e15359. View abstract. Singer GM, Geohas J. The effect of chromium picolinate and biotin supplementation on glycemic control in poorly controlled patients with type 2 diabetes mellitus: a placebo-controlled, double-blinded, randomized trial. Diabetes Technol Ther 2006;8:636-43. View abstract. Couloume L, Barbin L, Leray E, et al. High-dose biotin in progressive multiple sclerosis: A prospective study of 178 patients in routine clinical practice. Mult Scler. 2019:1352458519894713. View abstract. Tourbah A, Lebrun-Frenay C, Edan G, et al. MD1003 (High-Dose Biotin) for the Treatment of Progressive Multiple Sclerosis: A Randomised, Double-Blind, Placebo-Controlled Study. Mult Scler. 2016;22(13):1719-1731. View abstract.
Biotin supplements are often marketed as having benefits for hair, skin, and fingernails. If you have a shortage of biotin in your diet, you could have thinning hair, or skin or nail problems. But there's little scientific evidence that supplements can improve hair, skin, or nail health in people who don't have a biotin deficiency. Demas A, Cochin JP, Hardy C, Vaschalde Y, Bourre B, Labauge P. Tardive Reactivation of Progressive Multiple Sclerosis During Treatment with Biotin. Neurol Ther. 2019;9(1):181-185. View abstract. Children: Biotin is likely safe when taken by mouth. It's been used safely in doses of 5-25 mcg daily.Call your doctor if the condition you are treating with biotin does not improve, or if it gets worse while using this product. Thompson KG, Kim N. Dietary Supplements in Dermatology: A Review of the Evidence for Zinc, Biotin, Vitamin D, Nicotinamide, and Polypodium. Journal of the American Academy of Dermatology. April 2021. If you're interested in purchasing a biotin supplement, make sure you have the go-ahead from a healthcare provider first. “Before you buy a supplement for a specific reason, like thinning hair or brittle nails, it’s important to rule out potential underlying causes for your symptoms,” says Kubala. “There are a number of common medical conditions that can affect the health of the hair, nails, and skin, including hypothyroidism and iron-deficiency anemia,” she says. Mushrooms have biotin, too. A 100-gram serving of portabella mushrooms (a little more than 1 cup) contains 11.1 micrograms. Biotin Deficiency Biotin is found in various foods, including liver, cauliflower, salmon, carrots, bananas, soy flour, cereals, and yeast. Biotin content of food is reduced by cooking and preserving.
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