71362
They haven't studied that too much, but the few studies that have looked at the long term haven't found any side effects. Besides, it's just an amino acid found in green tea...if it had side effects, wouldn't they have happened to the people that drink tea every day for life?
71368
"Side effects may include, but are not limited to, sudden unshakable acquisition of an accent, occasional vocabulary changes, gratuitous use of the letter 'u', and a somewhat-unhealthy fascination with police boxes."
