What are the risks of eating too much beer yeast?, The SYMPTOMS

WHAT are the RISKS of eating TOO MUCH beer YEAST, and the SYMPTOMS to know if you are in excess?

brewer’s yeast revivable or in flakes?

I eat it every day (in glitter) and my nails and hair are in great shape! Intestinally, it is also very good.
You would have to consume tons of it to overdose, right?

In mice, decreased fertility (source: Doctor Jean Valnet). So you have to be careful and not take it all the time.