Could My Loose Stool And Light Black Stool Be Caused By Eating Eggs And Drinking Beer?

Hi doctor , im 26 year old , male , 2 days ago i ate egg dish with some boiled egg in dinner and after that i had a beer after 2 hour of dinner , next morning i got loose motion , and after going 2nd time i saw light black stool , im not having any kind of pain but sometimes my stomach feels like itching to go to do poty again , im worried if u can suggest me some help it would be great , thanks