there is no research that biotin causes weight gain. weight gain is typically caused by a calorie imbalance and certain medications but not vitamins. a balanced diet is more effective than supplements which is explained in this post: <link> for more specifics on biotin uses evidence and side effects visit this page: <link> no
can biotin cause weight gain. started taking bioting to improve hair skin and nails but have been reading this causes weight gain. is this true?