Biotin supplements have few side effects if you take them as directed. “Biotin supplements and B-complex vitamins are safe for most people, though they may cause a slightly upset stomach,” Barth says.

Trambas CM, Sikaris KA, Lu ZX. A caution regarding high-dose biotin therapy: misdiagnosis of hyperthyroidism in euthyroid patients. Med J Aust. 2016;205(4):192. View abstract. Grundy WE, Freed M, Johnson H.C., et al. The effect of phthalylsulfathiazole (sulfathalidine) on the excretion of B-vitamins by normal adults. Arch Biochem. 1947 Nov;15:187-94. View abstract. Waghray A, Milas M, Nyalakonda K, Siperstein AE. Falsely low parathyroid hormone secondary to biotin interference: a case series. Endocr Pract 2013;19(3):451-5. View abstract.Brenner, S. and Horwitz, C. Possible nutrient mediators in psoriasis and seborrheic dermatitis. II. Nutrient mediators: essential fatty acids; vitamins A, E and D; vitamins B1, B2, B6, niacin and biotin; vitamin C selenium; zinc; iron. World Rev.Nutr.Diet. 1988;55:165-182. View abstract. Biotin’s relationship to keratin is fairly straightforward— it stimulates the production of keratin.

Sweet potatoes have 2.4 micrograms of biotin in half a cup, about 8% of your daily value of biotin. So don’t assume taking biotin supplements will cure hair, skin or nail problems. “If you notice sudden changes in your hair, skin or nails, see your provider,” says Barth. “Don’t self-treat with biotin supplements without knowing the cause.” How much biotin do you need? Biotin is listed at the very top of Healthline’s eight nutrients for nail growth. Iron, magnesium, and omega-3s also feature. Coggeshall JC, Heggers JP, Robson MC, et al. Biotin status and plasma glucose in diabetics. Ann N Y Acad Sci 1985;447:389-92.My hairdresser thought I had a different head of hair! Not only have my enhanced the density and length - they've also made my hair super shiny and soft.” Biotin and other B vitamins are water-soluble, so it’s hard to overdose on them. “If you take in more biotin than you need, your body doesn’t store it,” Barth explains. “You naturally get rid of excess biotin and other B vitamins when you urinate.”

Finally, there’s vitamin B8, which is known for its role in maintaining skin and hair follicle health. Baumgartner, M. R. Molecular mechanism of dominant expression in 3-methylcrotonyl-CoA carboxylase deficiency. J Inherit.Metab Dis. 2005;28(3):301-309. View abstract.

However, high doses of biotin can interfere with lab tests by falsely skewing thyroid hormone levels, vitamin D levels, or other results, which could have a significant impact on your medical care ( 1, 13). Biotin supplement is not recommended for children under 18 years, unless recommended by the doctor.

Adults, teenagers, and children—Treatment dose is determined by prescriber for each individual based on severity of deficiency. Biotin is a water-soluble B vitamin with many benefits. Some are not yet proven, but others can help your body with essential processes like metabolism, which is how food gets turned into energy. The regular consumption of raw egg whites was used in another research study that showed this caused a biotin deficiency as well. Green NM. Avidin. 1. The use of (14-C)biotin for kinetic studies and for assay. Biochem. J. 1963;89:585-591. View abstract. Hymes, J. and Wolf, B. Human biotinidase isn't just for recycling biotin. J Nutr. 1999;129(2S Suppl):485S-489S. View abstract.

All those options are beside the biotin that is in daily multivitamins, as an oil that can be applied topically, and as a main ingredient in shampoos and other things. Biotin is also in B complex vitamin supplements, thanks to it being vitamin B7. Fernandez-Mejia, C. Pharmacological effects of biotin. J Nutr.Biochem. 2005;16(7):424-427. View abstract. Particularly on Friday nights, when you’re frazzled from work and the 101 other things that have been on your plate that week (sorry about the plate pun!) van der Knaap, M. S., Jakobs, C., and Valk, J. Magnetic resonance imaging in lactic acidosis. J Inherit.Metab Dis. 1996;19(4):535-547. View abstract. capsule of Biotin supplement is to be taken daily with 8 ounces of regular water, before the morning’s first meal on an empty stomach. Health Risk of Biotin