I am considering to use nootropics like lions mane (health supplement) or trubrain (piracetam). Does it have side effects? What are those side effects? I am just using these to improve my cognitive abilities, learning and memory improvements. Which one is the best?

Suggestions offered by doctors on Lybrate are of advisory nature i.e., for educational and informational purposes only. Content posted on, created for, or compiled by Lybrate is not intended or designed to replace your doctor's independent judgment about any symptom, condition, or the appropriateness or risks of a procedure or treatment for a given person.