Is biotin 7500 mcg too much? Actually, there’s no upper limit for biotin because it’s water-soluble, which means your body only stores what it needs. The rest is excreted in your urine. Additionally, there’s no evidence of high levels of biotin being harmful, which is why you’ll commonly see biotin supplements containing 5,000 to 10,000 mcg.
How much biotin is too much? No toxicity of excess biotin intake has been described. “It is a B vitamin, so it is difficult to overdose on it—most people will urinate out what they do not need,” says Johnson. “With that said, I suggest not taking more than the daily recommended dose of 30-100 mcg per day for an adult.
How much biotin mcg should you take a day? To prevent deficiency, the amount taken by mouth is based on normal daily recommended intakes:
Biotin 7500 Mcg Side Effects
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.