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There’s not enough research yet to determine all the side effects of taking too much biotin. However, there are case studies showing that some of the possible effects can be severe. If you feel ...


Biotin side effects. Get emergency medical help if you have signs of an allergic reaction: hives; difficult breathing; swelling of your face, lips, tongue, or throat. Common side effects may include upset stomach or diarrhea. This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects.


Sometimes these side effects can be indicative of your body reacting negatively to the biotin in more serious ways, and you may need to consider alternate vitamins or medications. 5 Skin Rash


Side Effects & Safety When taken by mouth: Biotin is LIKELY SAFE for most people when taken by mouth appropriately.It is well tolerated when used at recommended dosages. When applied to the skin ...


Are there any side effects to taking biotin? “Taking too much biotin can have negative effects,” says Dr. Levitan. It can skew the results of certain blood tests, for one, leading to misdiagnoses.


Before getting to know biotin side effects, let's first get to know this medication better. Biotin may be known as vitamin B7 or vitamin H. This water-soluble B-complex helps specific enzymes throughout the body function more efficiently. You can get biotin from a variety of food sources such as cucumber, oats, dried fruit, eggs, cabbage, goat ...


Side Effects. Drug information provided by: IBM Micromedex. No side effects have been reported for biotin in amounts up to 10 milligrams a day. However, check with your health care professional if you notice any unusual effects while you are taking it.


The general daily recommended dosage of biotin is 2.5 mg (or 2,500 mcg) if you wish to receive the benefits of the supplement without any unwanted side effects. Biotin should be used with caution and you can reduce the risk of experiencing any negative side effects by taking your supplement with plenty of water.


“Side effects from having a high dose or overdose of biotin are rare,” says Dr. Khan. “Because it is so easily excreted in urine and feces, the body can simply get rid of any excess ...


Your doctor can also provide more individual information about dosage and potential side effects. Biotin is a water-soluble vitamin, so any extra biotin in your body will flush out through your urine.