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Most people suffer no side effects when taking up to 10 mg daily of biotin, but some experience an allergic reaction, including hives or an upset stomach, according to Drugs.com. If the reaction includes swelling of the face or oral cavity, hives or difficulty in breathing, emergency medical care is


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 at a dose of 5,000 micrograms is the recommended amount to improve hair growth, according to About.com. Those who use Biotin for hair growth should use 5,000 micrograms on a daily basis for results.


One proven health benefit of biotin is improved nail strength, according to Medical News Today. Some preliminary studies also show that biotin has the ability to lower blood sugar in people with Type 1 and Type 2 diabetes; however, these effects are not proven as of 2015. The recommended adequate in


As of 2015, biotin isn't known to cause major side effects in doses up to 10 milligrams per day, indicates Drugs.com. Minor side effects may include upset stomach or mild skin rash. Individuals experiencing signs of an allergic reaction, such as hives or difficulty breathing, should see a doctor imm


Biotin tablets are not known to cause side effects when amounts of up to 10 milligrams per day are ingested, according to Mayo Clinic. Biotin is a B-complex vitamin that functions as a component of enzymes which breaks down carbohydrates, fats and other substances, explains WebMD.


Bottles of 5000 mcg biotin capsules are typically available at local drugstores or retailers that carry nutritional supplements. They are also offered at several online retailers, including Amazon.com, Drugstore.com, and the websites for Walgreens, CVS and GNC. Pricing and specials vary depending on


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


Biotin is a water-soluble B-vitamin that has no known side effects when taken in doses up to 10 milligrams. WebMD reports that the vitamin is regarded as safe, but it has no established recommended daily allowance, and few studies exist that analyze the effects of high doses on the body. Regardless,


Learn about the positive and negative side effects of biotin. Biotin is also known as vitamin B-7. It forms fatty acids and glucose. It also helps metabolize carbohydrates and amino acids, and it aids in breaking down fat in your body. These functions make biotin an important part of creating the en