What are the side effects of too much biotin? Biotin supplements can cause problems if you take too much. Side effects can include skin rashes, digestive upset, problems with insulin release, and kidney problems. As with any supplement, the safety of long-term or high-dose use isn’t known.
What should I avoid taking with biotin? Biotin has no known adverse interactions with any medications, supplements, food, or beverages. Unless directed by your doctor, continue your regular diet and activities.
What happens when you stop taking biotin? After you stop using biotin, your nails will likely return to their original condition within 6 to 9 months. Store at room temperature away from moisture and heat.
Does biotin have negative side effects?
There are currently no known adverse side effects of biotin when taken as prescribed by a doctor or through normal dietary intake. There are some cases where certain dietary or other habits have caused a deficiency of biotin.