Is it OK to eat bonito flakes?

Hello there, I'm curious about something and I'd like to ask for your opinion. I've been hearing a lot about bonito flakes recently and I'm wondering if it's SAFE to consume them. Some people say they're a delicious addition to many dishes, while others express concerns about their nutritional value or potential health risks. Could you please shed some light on this matter? Are bonito flakes generally considered safe to eat? Thank you for your time and expertise.